SDE030 SDE060. Directional control valves with direct acting solenoid

Transcription

1 SDE SDE Directional control valves with direct acting solenoid

2 SDE-SDE General informations Simple, compact and heavy duty designed sectional valves from to sections. SDE luminium alloy inlet sections, available in several configurations. Cast iron working sections Different types of spools. Optional check valves on workports. vailable for parallel circuit. On/off solenoid controls. Emergency handlever available. SDE Steel inlet sections, available in several configurations. Cast iron working sections Different types of spools. Different options to be flanged on the workports side vailable for parallel and series circuits. On/off solenoid controls. Emergency handlever available. dditional information his catalogue shows the product in the most standard configurations. lease contact Sales Dpt. for more detailed information or special request. WRNING! ll specifications of this catalogue refer to the standard product at this date. Walvoil, oriented to a continuous improvement, reserves the right to discontinue, modify or revise the specifications, without notice. WLVOIL IS NO RESONSILE FOR N DGE CUSED N INCORREC USE OF HE RODUC. 5 th edition June 7 DWWEE

3 SDE-SDE Content Working conditions... Standard threads... ccessories Coils and connectors...5 Fixing brackets... Installation and maintenance... Index SDE Dimensions and hydraulic circuit...5 Complete sections ordering codes... - Inlet section art ordering codes... Dimensions and hydraulic circuit... Options... - Working section art ordering codes... Dimensions and hydraulic circuit... Spools... Control kits... Lower port relief valves... Side port relief valves... Check valves... Solenoid operated check valves... - Outlet section Dimensions and hydraulic circuit...5 SDE Dimensions...7 Hydraulic circuit...9 Complete sections ordering codes... - Inlet section art ordering codes... Dimensions and hydraulic circuit... Options Working section art ordering codes... Dimensions and hydraulic circuit...7 Lower port relief valves... Spools...9 Control kits Flangeable valve blocks ntishock valves...5 Check valves...5 Solenoid operated check valves...5 Counterbalance valves Outlet section Dimensions and hydraulic circuit...57 DWWEE

4 SDE-SDE Working conditions his catalogue shows technical specifications and diagrams measured with mineral oil of mm /s - cst viscosity at C - F temperature. SDE SDE Nominal flow rating Operating pressure (max.) l/min US gpm l/min - l/min 7.9 US gpm - 5. US gpm parallel circuit 5 bar - psi 5 bar - psi series circuit - bar - 5 psi ack pressure (max.) Internal leakage (max.) () Fluid outlet port outlet port, with lever control p = bar - 5 psi fluid and valve at C - F bar - 5 psi bar - 5 psi cm /min -.5 in /min ineral based oil Fluid temperature with NR (UN-N) seals from - C to C - from - F to 7 F with F (VION) seals from - C to C - from - F to F Viscosity operating range min. max. from 5 to 75 mm /s - from 5 to 75 cst mm s - cst mm s - cst ax. contamination level -/9/ - ISO - NS - class mbient temperature for working conditions from - C to 5 C - from - F to F NOE - For different conditions please contact Sales Dpt. Standard threads REFERENCE SNDRD S UN-UNF HRED CCORDING O CVI DIENSION CCORDING O ISO / ISO S 779 NSI. unified ISO 79 9 SE J9 DIN 5- shape or OR HREDING SDE SDE l/min (7.9 US gpm) sections l/min (5. US gpm) sections S UN-UNF S UN-UNF S UN-UNF Inlet and outlet G / /- (SE ) G / /- (SE ) G / /- (SE ) Working ports and G / 9/- (SE ) G / 9/- (SE ) G / 9/- (SE ) G /* /- (SE )* ort G / 9/- (SE ) G / 7/- (SE ) 9/- (SE )** G / 7/- (SE ) 9/- (SE )** ort LS G / 9/- (SE ) G / 9/- (SE ) / / NOE (*) Optional thread - (**) Only for type N inlet section DWWEE

5 SDE - SDE SDE Dimensions his drawing is referred to directional valve with working sections and N type inlet section. F E Ref... SDE/ 55/ product code customer reference product name production allotment Description example: SDE//N(JNG-)ELN/Q-ES/Q-ES/RF-VDC E N type inlet section N type inlet section (see drawing) N-N-N7 type inlet sections E F E F Weight E F mm in mm in mm in mm in Kg lb mm in mm in SDE/ SDE/ SDE/ SDE/ SDE/ SDE/ SDE/ SDE/ SDE/ SDE/ DWWEE 5

6 SDE SDE - SDE Complete section ordering codes SDE// N(JNG-)ELN / Q-ES / Q-ES / QL-ES / Nr. of working sections QE-ES.EN(NC) / RF VDC ie rod tightening wrench - Nm (.75 lbft) DWWEE

7 SDE - SDE SDE Complete section ordering codes Complete inlet section * page Section bodies are aluminium alloy made E: N CODE: 9G DESCRIION: Without valves arrangement, and ports open E: N CODE: 9G DESCRIION: s N, port open and plugged E: N CODE: 9G DESCRIION: s N, port plugged and open E: NS CODE: 9G DESCRIION: s N, ports and plugged E: N(JNG-)ELN-WC CODE: S DESCRIION: Relief and unloader valves arrangement, and ports open E: N(JNG-)ELN-WC CODE: S DESCRIION: s N, port open and plugged E: N/N(JNG-)ELN-WC CODE: S DESCRIION: Relief, unloader and flow control valves arrangement, and ports open E: N/N(JNG-)ELN-WC CODE: S5 DESCRIION: s N, port open and plugged E: N/EEL(VR-)-SRC(C)-WC CODE: S DESCRIION: With pressure relief valve and flow control valve, for Open Center circuit, compensator with bar (5 psi) stand-by, and ports open E: N7/EEN(VR-)-SRCV(C)-WC CODE: S7 DESCRIION: s previous one, compensator with handwheel actuation for Open to Closed Center switching, and ports open. E: N/EEN(VR-)-SRCV(C)-WC CODE: S9 DESCRIION: With pressure relief valve and flow control valve, for Closed Center Circuit with compensator blanking plug, and ports open. Complete working section * page Section bodies are cast iron made E: Q-ES-WC CODE: S DESCRIION: arallel circuit, type double acting spool E: Q-ES-WC CODE: S DESCRIION: arallel circuit, type double acting spool E: Q-ES.C-WC CODE: S DESCRIION: arallel circuit, type double acting spool, check valves on workports E: QE-ES.EN(NC)-WC CODE: S5 DESCRIION: arallel circuit, type double acting spool, solenoid operated check valves on workports E: FL(5)-ES-WC CODE: S DESCRIION: arallel circuit, type double acting spool and side relief valve with 5 bar (75 psi) E: QL-ES-WC CODE: S DESCRIION: arallel circuit, side workports, type double acting spool E: QL-ES.-WC CODE: S DESCRIION: s previous one with check valves on workports Complete outlet section* page 5 Section bodies are aluminium alloy made E CODE DESCRIION RF FI Without ports RS 9 and ports plugged R 9 port open and port plugged R 9 port open and port plugged Valve threading Specify threading always when it is different from S standard (see page ). 5 Coils page 5 Coils voltage specification; for list of available coils see pages of related sections Fixing bracket page E CODE DESCRIION SF 5S5 rackets with fixing screws 7 ssembling kit CODE DESCRIION CODE DESCRIION er distributore con fiancata d ingresso tipo N 5IR For section valve 5IR5 For sections valve 5IR5 For sections valve 5IR For 7 sections valve 5IR9 For sections valve 5IR77 For sections valve 5IR7 For sections valve 5IR For 9 sections valve 5IR For 5 sections valve 5IR9 For sections valve er distributore con fiancate d ingresso tipo N-N-N- N7-N 5IR5 For section valve 5IR For sections valve 5IR9 For sections valve 5IR77 For 7 sections valve 5IR7 For sections valve 5IR For sections valve 5IR For sections valve 5IR9 For 9 sections valve 5IR5 For 5 sections valve 5IR For sections valve NOE (*) Codes are referred to S thread. DWWEE 7

8 SDE SDE - SDE Inlet section: part ordering codes Valve setting Without coil SDE/N-... SDE/N(JNG-)ELN-WC Valve setting Without coil Valve setting SDE/N/N(JNG-)ELN-WC-... SDE/N7/EEN(VS-) SRCV(C)-WC Without coil DWWEE

9 SDE - SDE SDE Inlet section: part ordering codes Inlet section body kit * page Section bodies are aluminium alloy made E CODE DESCRIION N 5FI9 Without valves arrangement, and ports open N 5FI9 s N, port open and plugged N 5FI9 s N, port plugged and open NS 5FI9S s N, ports and plugged N 5FI9 Relief and unloader valves arrangement, and ports open N 5FI9 s N, port open and plugged N 5FI9 Relief, unloader and flow control valves arrangement, and open ports N 5FI9 s N, port open and plugged N 5FI9 For Open Center, relief and flow control valves arrangement, compensator, LS port plugged, and ports open N7/N 5FI9 s N, for Closed Center, with LS port open ain relief valve page E CODE DESCRIION For sections N-N type Valve standard setting is referred to l/min (. US gpm) flow, considering the valve mounted on inlet section. (JNG-) 5KI55 Range - bar (5-9 psi) std setting bar (9 psi) (JNG-) 5KI55 Range 5- bar (75-9 psi) std setting bar (75 psi) (JNG-) 5KI55 Range -5 bar (- psi) std setting bar ( psi) (JNH-) 5KI557 s type JNG, set and locked (JNH-) 5KI55 s type JNG, set and locked (JNH-) 5KI555 s type JNG, set and locked (JNZ-) 5KI55 s type JNG, anti-tampering type (JNZ-) 5KI55 s type JNG, anti-tampering type (JNZ-) 5KI55 s type JNG, anti-tampering type SV Relief valve blanking plug For sections N-N7-N type Valve standard setting is referred to l/min (. US gpm) flow, considering the valve mounted on inlet section. (VV-5) Range 5- bar (7- psi) std setting 5 bar (75 psi) (VS-5) Range 5- bar (75- psi) std setting 5 bar ( psi) (VR-5) Range -5 bar (-5 psi) std setting 5 bar ( psi) Solenoid operated unloading valve page E CODE DESCRIION For sections N-N type ELN EC Without emergency actuation ELV EC With screw type emergency actuation EL EC With push-button emergency actuation EL EC5 With twist & push emergency actuation L 5 Unloading valve blanking plug control valve page E CODE DESCRIION For sections N-N type L Hand-wheel setting type V 5 Screw setting type N Solenoid operated, without emergency V Solenoid operated, screw emergency L 5 Solenoid operated, hand-wheel emergency L 557 control valve blanking plug For sections N-N7-N type EEN EE9 Solenoid operated, without emergency EEL EE Solenoid operated, hand-wheel emergency 5 Compensator kit page 5 E CODE DESCRIION For section N-N7 type SRCV(C) 5K7 With bar (5 psi) stand-by, handwheel actuation for Open Center to Closed Center switching SRC(C) 5K With bar (5 psi) stand-by, for Open Center circuit For section N type CL 5 Compensator blanking plug, for Closed Center circuit Section threading Specify threading always when it is different from S standard (see page ). 7 Optional coil pag. 5 For list of available coils see pages of related section. NOE (*) Codes are referred to S thread. DWWEE 9

10 SDE SDE - SDE Inlet section: dimension and hydraulic circuit N inlet sections N type with and ports open.9.7. N type and ports open N type port open and port plugged N type port plugged and port open NS type and ports plugged - nr. holes depth = allen wrench - Nm (7.7 lbft) N inlet sections N type with and ports open N types and ports open nr. holes depth N types port open and port plugged = allen wrench - Nm (7.7 lbft) NOE: for valve wrench and torque see pages and. 9.5 Legenda : ressure relief valve : Solenoid operated unloading valve DWWEE

11 SDE - SDE SDE Inlet section: dimension and hydraulic circuit N inlet sections N type with and ports open N types and ports open 5. - nr. holes depth N types port open and port plugged Legenda : ressure relief valve : Solenoid operated unloading valve : ressure compensated flow control valve = allen wrench - Nm (7.7 lbft) NOE: for valve wrench and torque see pages,. DWWEE

12 SDE SDE - SDE Inlet section: dimension and hydraulic circuit N-N7-N inlet sections N7 type; configuration for Open and Closed Center Legenda : ressure relief valve : control valve : Excludable compensator - nr. holes depth max 7. max.9 LS = allen wrench - Nm (7.7 lbft) NOE: for valve wrench and torque see pages and N type for Open Center circuit N7 type for Closed and Open Center circuits N type for Closed Center circuit LS LS LS DWWEE

13 SDE - SDE SDE Inlet section: options ain relief valve For sections N and N type Setting types JG Z JH JZ 59. ressure Setting range: JNG type 5 7 max. setting Legenda JG: screw setting type JH: valve set and locked (cap code CO7) JZ: valve set and locked (cap code CO) = allen wrench = wrench - Nm (7.7 lbft) Z = wrench 9 - Nm (7.7 lbft) (US gpm) 5 min. setting (l/min) ressure ressure Setting range: JNG type 5 7 max. setting std. setting min. setting (US gpm) (l/min) Setting range: JNG type 5 7 max. setting std. setting min. setting (US gpm) (l/min) For sections N, N7 and N type. Z ressure Setting range: VV type 5 7 (US gpm) 5 max. setting std. setting min. setting (l/min) ressure Setting range: VS type 5 7 std. setting max. setting min. setting (US gpm) (l/min) = wrench = wrench -. Nm (.9 lbft) Z = wrench 9 - Nm (7.7 lbft) ressure Setting range: VR type 5 7 max. setting std. setting min. setting (US gpm) (l/min) DWWEE

14 SDE SDE - SDE Inlet section: options Unloading valve For sections N and N type anual emergency actuation types ELN,5 EL ELV Legenda ELN: without amergency actuation EL: push-button type emergency actuation ELV: screw type emergency actuation EL: push&twist type emergency actuation EL ressure ressure drop diagram (US gpm) 9 = wrench - Nm ( lbft) = 5 Nm (.7 lbft) (l/min) Features ax. flow...: l/min (. US gpm) ax. pressure...: bar (55 psi) Internal leakage...:.5 cm bar (.5 5 psi) For coil features and options see ER coil on pages 5 and 59. ressure compensated flow control valve For section N type anual operated Solenoid operated regulation diagram V K N (l/min) (US gpm) L K Legenda V: screw setting type L: hand-wheel setting type N: without emergency actuation V: screw type emergency actuation L: hand-wheel emergency actuation Features ax. inlet flow...: 5 l/min (. US gpm) ax. regulated flow...: l/min (7.9 US gpm) Inlet flow ( types)...: regulated flow +5% ax. pressure...: 5 bar (5 psi) - types / 5 bar ( psi) - types Internal leakage ( types). : 5 cm bar (9. in 5 psi) For coil features and options see Q9 or H coils on pages 5 and 59. W Z 9.7 V L K = wrench -. Nm (.9 lbft) = wrench 7-5 Nm (7 lbft) = 5 Nm (.7 lbft) W = allen wrench Z = wrench - 5 Nm ( lbft) (%) Valve operation (@VDC) (@VDC) (l/min) Coil current vs. ressure diagram on line on line ressure (US gpm) DWWEE

15 SDE - SDE SDE Inlet section: options ressure compensated flow control valve For sections N - N7 and N type Curves are measured using the standard compensator mounted on section, with bar (5 psi) stand-by. regulation diagram vs. ressure diagram EEN 5 (l/min) (US gpm) (l/min) (US gpm) Z Z 9. EEL (%) Valve operation ressure (@VDC) (@VDC) Coil current.5.7 Legenda EEN: without emergency actuation EEL: hand-wheel emergency actuation K = wrench -. Nm (.9 lbft) = wrench 7-5 Nm (7 lbft) = 5 Nm (.7 lbft) Z = wrench - 9. Nm (7. lbft) Features ax. flow...: l/min (. US gpm) ax. pressure...: bar (55 psi) Internal leakages...: 5 cm 5 bar (9. in 75 psi) For coil features and options see Q9 or H coils on pages 5 and 59. Compensator kit For sections N - N7 and N type SRCV(C) SRC(C) 7..7 CL max.5 max Legenda SRC(C): compensator with bar (5 psi) stand-by, for Open Center circuit CL: compensator blanking plug, for Closed Center circuit (for N type) SRCV(C): compensator with bar (5 psi) stand-by, hand-wheel actuation for Open Center to Closed Center circuit switching = wrench - Nm ( lbft) = wrench -. Nm (.9 lbft) DWWEE 5

16 SDE SDE - SDE Working section: part ordering codes Valve setting SDE/ - ES.(G-) - WC -... without coil 7 valve on port - valve on port - valve on ports and - SDE/QL - ES. - WC -... without coil 7 valve on port - valve on port - valve on ports and - SDE/QE - ES.QEN(NC) - WC -... without coil 7 DWWEE

17 SDE - SDE SDE Working section: part ordering codes Valve setting SDE/FL (5) - ES - WC without coil - valve on port - valve on port - valve on ports and 7 Working section body kit * page Section bodies are cast iron made E CODE DESCRIION Working sections with upper ports Q 5EL9 arallel type 5EL95 s type Q, lower port relief valve arrangement Q 5EL9 s type Q with check valve arrangement QE 5EL9 s type Q with solenoid operated check valve arrangement FL 5EL9 s type Q, side port relief valve arrangement Working sections with side ports QL 5EL9 arallel type, QL 5EL9 s type QL with check valve arrangement Spool page E CODE DESCRIION For ON/OFF solenoid control CU9 Double acting, and closed in neutral pos. CU9 Double acting, to tank in neutral pos. For connect to tank (type ) is necessary to turn the spool CU95 Double acting, and to tank in neutral pos. H CU955 Double acting, and partially to tank in neutral position For ON/OFF solenoid control with emergency lever operation LHD CU9 s type LHD CU9 s type LHD CU9 s type HLHD CU9 s type H On/off solenoid control page E CODE DESCRIION ES 5CNEC Single acting on port ES 5CNEC Single acting on port ES 5CNE5C Double acting ESLHD 5CNE5 Double acting with emergency lever operation: needs dedicated spools Lower port relief valves page Standard setting is referred to l/min (. US gpm) flow. E CODE DESCRIION (G-) 5KI From 5 to bar (75 to 9 psi), standard setting bar (5 psi) (G-) 5KI From to 5 bar (9 to psi), standard setting bar (9 psi) 5KI and ports valve blanking plugs 5 Side port relief valve page he codes are referred to parts with F o-ring seals E CODE DESCRIION 5 Valve blanking plug Fixed setting antishock valves: setting is referred to l/min (. US gpm) E: CODE: 5KI setting setting SEING: bar (5 psi) 5 bar (75 psi) bar (7 psi) bar (5 psi) bar (5 psi) bar (75 psi) bar (9 psi) bar (5 psi) 5 bar (5 psi) 5 bar ( psi) 75 bar (55 psi) 5 bar (7 psi) bar (9 psi) bar (5 psi) bar ( psi) 5 bar ( psi) 5 bar ( psi) Check valve page E CODE DESCRIION For arranged setions with upper ports, Q type C 5KI Valves kit for and ports C-C 5KI Valve kit por single port For arranged setions with upper ports, QE type 5 Valve blanking plug Normally closed circuit (NC) EN(NC) EC Without manual emergency EV(NC) EC7 With screw type emergency E(NC) EC With pull-button emergency E(NC) EC With pull & twist emergency Normally open circuit (NO) EN(N) EC Without manual emergency EV(N) EC With screw type emergency E(N) EC With push-button emergency E(N) EC5 With push & twist emergency For arranged setions with side ports, QL type 5KI Valves kit for and ports - 5KI Valve kit for single port 7 Section threading Specify threading always when it is different from S standard (see page ). Optional coils page 5 For list of available coils see pages of related section. NOE (*) Codes are referred to S thread. DWWEE 7

18 SDE SDE - SDE Working section Dimension and hydraulic circuit Working section Q type with upper ports Q type type with lower port relief valves arrangement 7.. Valve fixing plan ressure..9. through pressure drop 5 7 (US gpm) 5 Q type example (with spool ) type example (with spool ) (l/min) FL type with side port relief valves arrangement.5.7 FL type example (with spool ) Valve fixing plan DWWEE

19 SDE - SDE SDE Working section Spools Working section with upper ports Q - QE types with check valve arrangement Q type example (with spool ) Working section with side ports QL - QL types with or without check valves arrangement Valve fixing plan 7. QL type example (with spool ). Valve fixing plan DWWEE 9

20 SDE SDE - SDE Working section Spool ypes -LHD Double acting, and closed in neutral position ypes -LHD Double acting, to tank in neutral position ypes -LHD Double acting, and to tank in neutral position Stroke position : + mm (+. in) position : - mm (-. in) Stroke position : + mm (+. in) position : - mm (-. in) Stroke position : + mm (+. in) position : - mm (-. in) port - port pressure drops (curves are matched) ressure 5 7 (US gpm) 5 ressure port - port pressure drops (curves are matched) 5 7 (US gpm) (l/min) (l/min) ypes H-HLHD Double acting, and partially to tank in neutral position Stroke position : + mm (+. in) position : - mm (-. in) ressure port - port pressure drops (curves are matched) 5 7 (US gpm) (l/min) DWWEE

21 SDE - SDE SDE Working section On/off solenoid control: ES - ES - ES types When the section is configurated with check valves, the coils on control must be rotated. ES: double acting control kit ES: single acting on control kit Z ressure (US gpm) 5 Operating condition (stroke mm -. in) (l/min) Wrenches and tightening torque = wrench 7 - Nm (7.7 lbft) =. Nm (.9 lbft) Z = wrench - Nm (7.7 lbft) For coil features and options see DC coil on pages 5 and. ES: single acting on control kit..5 Z On/off solenoid control with lever: ESLHD type When the section is configured with side ports or with check valves, control and coils must be rotated. If the section is configured with solenoid check valves the control can t be used. he control needs dedicated spools: see page 7 for list. IORN: lever to be used only for emergency operation, not for continuative use. J : idle stroke angles : total operation angles K J = wrench - 9. Nm (7. lbft) K = allen wrench -. Nm (.9 lbft) = wrench 7 - Nm (7.7 lbft) =. Nm (.9 lbft) Control features ax. back pressure on. : bar (5 psi) For coil features and options see DC coil on pages 5 and. DWWEE

22 SDE SDE - SDE Working section Lower port relief valves G type Setting range: G type (US gpm) 5 Z H type.5. ressure max. setting min. setting 5 (l/min) Setting range: G type Legenda G: screw setting type H: valve set and locked Side port relief valves = wrench 7 - Nm (7.7 lbft) = wrench -. Nm (.9 lbft) Z = allen wrench.5 ressure (US gpm) max. setting min. setting 5 5 (l/min) (US gpm) 5 ressure ressure drop (working section included port port = wrench - Nm ( lbft) ressione (l/min) Setting example ( l/min -. US gpm) (US gpm) 5 5 bar ( psi) bar (9 psi) 5 bar (5 psi) bar (5 psi) bar (5 psi) (l/min) ortata DWWEE

23 SDE - SDE SDE Working section Check valves When the section is configurated with check valves, the coils on control must be rotated. For sections with upper ports C type C type C type = wrench - Nm ( lbft) arts ordering codes E CODE DESCRIION Check valve 7 Valve blanking plug - IS iston ressure 5 5 ressure drop diagram (working section included) (US gpm) port port (l/min) For sections with side ports ressure drop diagram (working section included) (US gpm) type = wrench - 5 Nm (7 lbft) ressure 5 port port (l/min) arts ordering codes E CODE DESCRIION C Check valve - IS iston DWWEE

24 SDE SDE - SDE Working section Solenoid operated check valves When the section is configurated with check valves, the coils on control must be rotated. For sections wiht upper ports E(NC) type: normally closed circuit 9..5 EN EN(NC) type EN(NC) type EN(NC) type EV E EG E(N) type: normally open circuit 5. EN EN(N) type EN(N) type EN(N) type EV E EG.. = wrench - Nm ( lbft) = 5 Nm (.7 lbft) Legenda EN: without amergency actuation E: push-button type emergency actuation EV: screw type emergency actuation E: push&twist type emergency actuation 9.5 ressure 5 5 ressure drop diagram (working section included) (US gpm) port port (l/min) DWWEE

25 SDE - SDE SDE Outlet section Dimensions and hydraulic circuit Without port arrangement RF type With port arrangement RS - R - R types drawing shows RS type nr. holes depth nr. holes depth = allen wrench - Nm (7.7 lbft) = allen wrench - Nm (7.7 lbft) RS type and ports plugged R type open, plugged R type open, plugged DWWEE 5

26 SDE SDE - SDE DWWEE

27 SDE Dimensions his drawing is referred to directional valve with mixed working sections ( sections up to l/min-5. US gpm and sections up to l/min-7.9 US gpm), and N type inlet section. F E Ref... SDE/ 55/ product code customer reference product name production allotment N type inlet section N type inlet section (see drawing) N type inlet section E E F E F Weight E F mm in mm in mm in mm in Kg lb mm in mm in SDE/ SDE/ SDE/ SDE/ SDE/ SDE/ SDE/ SDE/ SDE/ SDE/ DWWEE 7

28 SDE Dimensions his drawing is referred to directional valve with all working sections up to l/min (up to 7.9 US gpm), and N type inlet section. F E Ref... SDE/ 55/ product code customer reference product name production allotment E N type inlet section N type inlet section (see drawing) E F E F Weight mm in mm in mm in mm in Kg lb SDE/ SDE/ SDE/ SDE/ SDE/ SDE/ SDE/ SDE/ SDE/ SDE/ E N type inlet section N-N7 type inlet sections E F E F mm in mm in mm in mm in SDE/ SDE/ SDE/ SDE/ SDE/ SDE/ SDE/ SDE/ SDE/ SDE/ DWWEE

29 SDE Hydraulic circuit arallel circuit parallel circuit can be composed using or Q working sections. he outlet section can be with or without port arrangement. Description example: SDE//N(GW-75)ELN/Q-ES/Q-ES/RF-VDC Series circuit: only for l/min (5. US gpm) sections he series circuit is composed using alternately QS and Q working sections, both with S series spool. he circuit starts always with QS working section. he outlet section depends on total number of working sections: if it is even, the outlet section must have port open, if it is odd, the outlet section must have port open. Description example: SDE//N(GW-75)ELN/QS-SESSE/Q-SESSE/R-VDC Description example: SDE//N(GW-75)ELN/QS-SESSE/Q-SESSE/QS-SESSE/R-VDC DWWEE 9

30 SDE Complete section ordering codes SDE//N(GW-)ELN/Q-ES/Q-ES.EN/Q-ES/ Nr. of working sections Q-ES.S(DC-)/RF-...-VDC 5 ie rod tightening wrench - Nm (.75 lbft) 7 SDE//N(JNG-)ELN/Q-ES/Q-ES.S(DC-)/RF-...-VDC Nr. of working sections 5 ie rod tightening wrench - Nm (.75 lbft) 7 DWWEE

31 SDE Complete section ordering codes Complete inlet section * page Section bodies are steel made E: N CODE: 5FI DESCRIION: Without valves arrangement, G/ ports and open E: N CODE: 5FI DESCRIION: s previous one, G/ ports, up to l/min (7.9 US gpm) E: N CODE: 5FI DESCRIION: s type N, port open and plugged E: N CODE: 5FI DESCRIION: s previous one, G/ ports, up to l/min (7.9 US gpm) E: N CODE: 5FI DESCRIION: s type N, port plugged and open E: N CODE: 5FI DESCRIION: s previous one, G/ ports, up to l/min (7.9 US gpm) E: NS CODE: 5FI5 DESCRIION: s type N, ports and plugged E: NS CODE: 5FI DESCRIION: s previous one, G/ ports, up to l/min (7.9 US gpm) E: N(GW-75)ELN-WC CODE: S DESCRIION: With pressure relief valve and solenoid operated unloading valve, G/ ports and open E: N(JNG-)ELN-WC CODE: S DESCRIION: s previous one, G/ ports, up to l/min (7.9 US gpm) E: N(GW-75)ELN-WC CODE: S DESCRIION: s type N port open and plugged E: N(JNG-)ELN-WC CODE: S DESCRIION: s previous one, G/ ports, up to l/min (7.9 US gpm) E: N/N(GW-75)ELN-WC CODE: S DESCRIION: With pressure relief valve, solenoid operated unloading valve and pressure compensated flow control valve, G/ ports and open E: N/N(JNG-)ELN-WC CODE: S DESCRIION: s previous one, G/ ports, up to l/min (7.9 US gpm) E: N/N(GW-75)ELN-WC CODE: S DESCRIION: s type N, port open and plugged E: N/N(JNG-)ELN-WC CODE: S5 DESCRIION: s previous one, G/ ports, up to l/min (7.9 US gpm) E: N/EEL(VR-)-S7RC(C5)-WC CODE: S DESCRIION: With pressure relief valve and flow control valve, for Open Center circuit, compensator with 7 bar ( psi) stand-by, G/ ports and open E: N/EEL(VR-)-SRC(C)-WC CODE: S DESCRIION: With pressure relief valve and flow control valve, for Open Center circuit, compensator with bar (5 psi) stand-by, G/ ports and open, up to l/min (7.9 US gpm) E: N7/EEL(VR-)-S7RCV(C5)-WC CODE: S DESCRIION: s N, compensator with handwheel actuation for Open to Closed Center switching, G/ ports and open. E: N7/EEN(VR-)-SRCV(C)-WC CODE: S7 DESCRIION: s N, compensator with handwheel actuation for Open to Closed Center switching, G/ ports and open, up to l/min (7.9 US gpm) E: N/EEN(VR-)-CL-WC CODE: S DESCRIION: s N, for Closed Center circuit, compensator blanking plug, G/ ports and open E: N/EEN(VR-)-CL-WC CODE: S DESCRIION: s N, for Closed Center circuit, compensator blanking plug, G/ ports and open, up to l/min (7.9 US gpm) Complete working section * page Section bodies are cast iron made Sections are arranged for flangeable valve blocks E CODE DESCRIION Q-ES-WC SC arallel circuit, type double acting spool Q-ES-WC SC s previous one, up to l/min (7.9 US gpm) Q-ES-WC SC arallel circuit, type double acting spool Q-ES-WC SC s previous one, up to l/min (7.9 US gpm) QS-SESSE-WC SC Series circuit, type S double acting series spool Q-SESSE-WC S5C arallel circuit, type S double acting series spool: placed after QS series section only Complete outlet section* page 57 Unless otherwise stated, outlet section bodies are steel made. E CODE DESCRIION RF FI Without ports, aluminium alloy body RS 9 G/ ports, and plugged RS 9 s previous one with G/ ports, up to l/min (7.9 US gpm) R 9 G/ ports, open and plugged R 9 s previous one with G/ ports, up to l/min (7.9 US gpm) R 9 G/ ports, open and plugged R 9 s previous one with G/ ports, up to l/min (7.9 US gpm) Complete flangeable valve block ntishock valves...page 5 Check valves...page 5 Solenoid operated check valves (without coils)...page 5 Single counterbalance valves...page 55 Double counterbalance valves...page 5 5 Valve threading Specify threading always when it is different from S standard (see page ). Coils page 5 Coils voltage specification; for list of available coils see pages of related sections 7 Fixing bracket page E CODE DESCRIION SF 5S5 rackets with fixing screws ssembling kit CODE DESCRIION CODE DESCRIION 5IR99 For section valve 5IR9 For section valve 5IR For sections valve 5IR75 For 7 sections valve 5IR9 For sections valve 5IR For sections valve 5IR For sections valve 5IR For 9 sections valve 5IR For 5 sections valve 5IR5 For sections valve NOE (*) Codes are referred to S thread. DWWEE

32 SDE Inlet section: part ordering codes Valve setting Valve setting SDE/N-... SDE/N-... SDE/N7/EEN(VS-) S7RCV(C5)-WC-... SDE/N7/EEN(VS-) SRCV(C)-WC Without coil 5 Without coil N N Valve setting Without coil Valve setting Without coil SDE/N(GW-75)ELN-WC-... SDE/N(JNG-)ELN-WC-... SDE/N/N(GW-75)ELN-WC-... SDE/N/N(JNG-)ELN-WC-... N 7 N N N 7 7 DWWEE

33 SDE Inlet section: part ordering codes Inlet section body kit * page Section bodies are steel made E CODE DESCRIION N 5FI Without valves arrangement, G/ ports, and open N 5FI s N, G/ ports, up to l/min (7.9 US gpm) N 5FI s N, port open and plugged N 5FI s N, G/ ports, up to l/min (7.9 US gpm) N 5FI s N, port plugged and open N 5FI s N, G/ ports, up to l/min (7.9 US gpm) NS 5FI5 s N, ports and plugged NS 5FI s NS, G/ ports, up to l/min (7.9 US gpm) N 5FI7 Relief and unloader valves arrangement, G/ ports, and open N 5FI s N, port open and plugged N 5FI s N, G/ ports, up to l/min (7.9 US gpm) N 5FI s N, G/ ports, up to l/min (7.9 US gpm) N 5FI Relief, unloader and flow control valves arrangement, G/ ports, and open N 5FI5 s N, port open and plugged N 5FI9 s N, G/ ports, up to l/min (7.9 US gpm) N 5FI s N, G/ ports, up to l/min (7.9 US gpm) N 5FI For Open Center, relief and flow control valves arrangement, compensator, LS port plugged, G/ and ports open N 5FI For Open Center, relief and flow control valves arrangement, compensator, LS port plugged, G/ and ports open, up to l/min (7.9 US gpm) N7/N 5FI s N, for Closed Center, with LS port open N7/N 5FI7 s N, for Closed Center, with LS port open, up to l/min (7.9 US gpm) ain relief valve page 9 E CODE DESCRIION For sections N-N type Valve standard setting is referred to 5 l/min (. US gpm) flow. (GW-) C Range - bar (5-75 psi) std setting bar ( psi) (GW-75) C Range - bar (5-9 psi) std setting 75 bar (55 psi) (GW-5) C5 Range -5 bar (9-5 psi) std setting 5 bar ( psi) SV 5 Relief valve blanking plug For sections N-N type Valve standard setting is referred to l/min (. US gpm) flow, considering the valve mounted on inlet section. (JNG-) 5KI55 Range - bar (5-9 psi) std setting bar (9 psi) (JNG-) 5KI55 Range 5- bar (75-9 psi) std setting bar (75 psi) (JNG-) 5KI55 Range -5 bar (- psi) std setting bar ( psi) (JNH-) 5KI557 s type JNG, set and locked (JNH-) 5KI55 s type JNG, set and locked (JNH-) 5KI555 s type JNG, set and locked (JNZ-) 5KI55 s type JNG, anti-tampering type (JNZ-) 5KI55 s type JNG, anti-tampering type (JNZ-) 5KI55 s type JNG, anti-tampering type SV Relief valve blanking plug For sections N-N7-N-N7-N-N type Valve standard setting is referred to l/min (. US gpm) flow, considering the valve mounted on inlet section. (VV-5) Range 5- bar (7- psi) std setting 5 bar (75 psi) (VS-5) Range 5- bar (75- psi) std setting 5 bar ( psi) (VR-5) Range -5 bar (-5 psi) std setting 5 bar ( psi) Solenoid operated unloading valve page E CODE DESCRIION For sections N-N type ELN EC Without emergency override ELV EC5 With screw type emergency override EL EC With push-button emergency override EL EC With twist & push emergency override L 5 Unloading valve blanking plug For sections N-N type ELN EC Without emergency actuation ELV EC With screw type emergency actuation EL EC With push-button emergency actuation EL EC5 With twist & push emergency actuation L 5 Unloading valve blanking plug control valve page E CODE DESCRIION For sections N type L Hand-wheel setting type V Screw setting type N 7 Solenoid operated, without emergency V 9 Solenoid operated, screw emergency L Solenoid operated, hand-wheel emergency L 55 control valve blanking plug For sections N type L Hand-wheel setting type V 5 Screw setting type N Solenoid operated, without emergency V Solenoid operated, screw emergency L 5 Solenoid operated, hand-wheel emergency L 557 control valve blanking plug For sections N-N7-N type EEN EE7 Solenoid operated, without emergency EEL EE9 Solenoid operated, hand-wheel emergency For sections N-N7-N type EEN EE9 Solenoid operated, without emergency EEL EE Solenoid operated, hand-wheel emergency 5 Compensator kit page E CODE DESCRIION For section type N S7RC(C5) 5K With 7 bar ( psi) stand-by, for Open Center circuit For section type N7 S7RCV(C5) 5K With 7 bar ( psi) stand-by, handwheel actuation for Open Center to Closed Center switching For section type N SRC(C) 5K With bar (5 psi) stand-by, for Open Center circuit For section type N7 SRCV(C) 5K7 With bar (5 psi) stand-by, handwheel actuation for Open Center to Closed Center switching For section type N-N CL 5 Compensator blanking plug, for Closed Center circuit Section threading Specify threading always when it is different from S standard (see page ). 7 Optional coil page 5 For list of available coils see pages of related section. NOE (*) Codes are referred to S thread. DWWEE

34 SDE Inlet section: dimension and hydraulic circuit N-N inlet sections N type with and ports open N type with and ports open nr. holes depth nr. holes depth = allen wrench - Nm (7.7 lbft) N-N type and ports open N-N type port open and port plugged N-N type port plugged and port open NS-NS type and ports plugged DWWEE

35 SDE Inlet section: dimension and hydraulic circuit N-N inlet sections N type with and ports open N type with and ports open nr. holes depth nr. holes depth Legenda : ressure relief valve : Solenoid operated unloading valve = allen wrench - Nm (7.7 lbft) NOE: for valve wrench and torque see pages 9 and. N-N types and ports open N-N types port open and port plugged DWWEE 5

36 SDE Inlet section: dimension and hydraulic circuit N-N inlet sections N type with and ports open.. - nr. holes depth Legenda : ressure relief valve : Solenoid operated unloading valve : ressure compensated flow control valve = allen wrench - Nm (7.7 lbft) NOE: for valve wrench and torque see pages from 9 to N-N types and ports open N type with and ports open nr. holes depth N-N types port open and port plugged DWWEE

37 SDE Inlet section: dimension and hydraulic circuit N-N7-N inlet sections N7 type; configuration for Open and Closed Center.5.9. Legenda : ressure relief valve : control valve : Excludable compensator = allen wrench - Nm (7.7 lbft) NOE: for valve wrench and torque see pages and. - nr. holes depth LS N type for Open Center circuit N7 type for Closed and Open Center circuits N type for Closed Center circuit LS LS LS DWWEE 7

38 SDE Inlet section: dimension and hydraulic circuit N-N7-N inlet sections N7 type; configuration for Open and Closed Center Legenda : ressure relief valve : control valve : Excludable compensator = allen wrench - Nm (7.7 lbft) = allen wrench - 9. Nm (7. lbf) NOE: for valve wrench and torque see pages and 5. - nr. holes depth -.9 max 7. max LS N type for Open Center circuit N7 type for Closed and Open Center circuits N type for Closed Center circuit LS LS LS DWWEE

39 SDE Inlet section: options ain relief valve For sections N and N type Setting types GW Z.9 ZW 5. Legenda GW: screw setting type ZW: with anti-tampering cap (cap code CO, nr. pcs) ressure = allen wrench 5 = wrench 9 - Nm (. lbft) Z = wrench 7-5 Nm (7 lbft) For sections N and N type Setting range: GW type 9 5 (US gpm) 5 max. setting std. setting min. setting 5 (l/min) ressure ressure Setting range: GW type 9 5 (US gpm) max. setting std. setting min. setting 5 5 (l/min) Setting range: GW type 9 5 (US gpm) max. setting std. setting min. setting 5 5 (l/min) Setting types JG Z JH JZ 59. ressure Setting range: JNG type 5 7 max. setting Legenda JG: screw setting type JH: valve set and locked (cap code CO7) JZ: valve set and locked (cap code CO) = allen wrench = wrench - Nm (7.7 lbft) Z = wrench 9 - Nm (7.7 lbft) (US gpm) 5 min. setting (l/min) ressure ressure Setting range: JNG type 5 7 max. setting std. setting min. setting (US gpm) (l/min) Setting range: JNG type 5 7 max. setting std. setting min. setting (US gpm) (l/min) DWWEE 9

40 SDE Inlet section: options ain relief valve For sections N - N7 - N - N - N7 and N type. Z ressure Setting range: VV type 9 5(US gpm) 5 max. setting std. setting min. setting 5 (l/min) ressure Setting range: VS type 9 5(US gpm) std. setting max. setting min. setting 5 5 (l/min) = wrench = wrench -. Nm (.9 lbft) Z = wrench 9 - Nm (7.7 lbft) ressure Setting range: VR type 9 5(US gpm) max. setting std. setting min. setting 5 5 (l/min) DWWEE

41 SDE Inlet section: options Unloading valve For sections N and N type anual emergency actuation types ELN.5. ressure ressure drop diagram 9 5 (US gpm) EL ELV EL 9. 5 (l/min) Legenda ELN: without amergency actuation EL: push-button type emergency actuation ELV: screw type emergency actuation EL: push&twist type emergency actuation = wrench 7-5 Nm (7 lbft) = 5 Nm (.7 lbft) Features ax. flow...: l/min (. US gpm) ax. pressure...: bar (55 psi) Internal leakage...:.5 cm bar (.5 in 5 psi) For coil features and options see ER coil on pages 5 and 59 For sections N and N type anual emergency actuation types ELN ressure drop diagram (US gpm).5. ressure 9 EL ELV EL (l/min) Legenda ELN: without amergency actuation EL: push-button type emergency actuation ELV: screw type emergency actuation EL: push&twist type emergency actuation = wrench - Nm ( lbft) = 5 Nm (.7 lbft) Features ax. flow...: l/min (. US gpm) ax. pressure...: bar (55 psi) Internal leakage...:.5 cm bar (.5 5 psi) For coil features and options see ER coil on pages 5 and 59 DWWEE

42 SDE Inlet section: options ressure compensated flow control valve For section N type anual operated Solenoid operated regulation diagram V (l/min) 5 5 (US gpm) K K N 9. L 5.77 W Z 97. V.7 L 5 (%) Valve operation (@VDC) (@VDC) Coil current Legenda V: screw setting type L: hand-wheel setting type N: without emergency actuation V: screw type emergency actuation L: hand-wheel emergency actuation K = wrench -. Nm (.9 lbft) = wrench - Nm (59 lbft) = 5 Nm (.7 lbft) W = allen wrench Z = wrench - 5 Nm ( lbft) (l/min) 5 vs. ressure diagram 5 (US gpm) 9 5 on line on line ressure Features ax. inlet flow...: 9 l/min (. US gpm) ax. regulated flow...: 5 l/min (. US gpm) - types l/min ( US gpm) - types Inlet flow ( types)...: regulated flow +5% ax. pressure...: 5 bar (5 psi) - types 5 bar ( psi) - types Internal leakage ( types)..: 5 cm /min a bar (5. in 5 psi) For coil features and options see Q9 or H coils on pages 5 and 59. DWWEE

43 SDE Inlet section: options ressure compensated flow control valve For section N type anual operated Solenoid operated regulation diagram V K K.5. L 5.77 W Z N 9.7 V. L (l/min) (US gpm) (%) Valve operation (@VDC) (@VDC) Coil current Legenda V: screw setting type L: hand-wheel setting type N: without emergency actuation V: screw type emergency actuation L: hand-wheel emergency actuation K = wrench -. Nm (.9 lbft) = wrench 7-5 Nm (7 lbft) = 5 Nm (.7 lbft) W = allen wrench Z = wrench - 5 Nm ( lbft) (l/min) vs. ressure diagram on line on line (US gpm) ressure Features ax. inlet flow...: 5 l/min (. US gpm) ax. regulated flow...: l/min (7.9 US gpm) Inlet flow ( types)...: regulated flow +5% ax. pressure...: 5 bar (5 psi) - types 5 bar ( psi) - types Internal leakage ( types)..: 5 cm bar (9. in 5 psi) For coil features and options see Q9 or H coils on pages 5 and 59. DWWEE

44 SDE Inlet section: options ressure compensated flow control valve For sections N-N7-N type Curves are measured using the standard compensator mounted on section, with 7 bar ( psi) stand-by. regulation diagram vs. ressure diagram EEN (l/min) (US gpm) (l/min) (US gpm) Z Z 9..7 EEL (%) Valve operation ressure (@VDC) (@VDC) Coil current..9 Legenda EEN: without emergency actuation EEL: hand-wheel emergency actuation K = wrench -. Nm (.9 lbft) = wrench - Nm (59 lbft) = 5 Nm (.7 lbft) Z = wrench - 9. Nm (7. lbft) Features ax. flow...: l/min (5. US gpm) ax. pressure...: 5 bar (5 psi) Internal leakages...: cm 5 bar (. in 75 psi) For coil features and options see Q9 or H coils on pages 5 and 59. Compensator kit For sections N-N7-N type S7RCV(C5) SRC(C) 7..7 CL max.5 max Legenda S7RC(C5): compensator with 7 bar ( psi) stand-by, for Open Center circuit CL: compensator blanking plug, for Closed Center circuit (for N type) S7RCV(C5): compensator with 7 bar ( psi) stand-by, hand-wheel actuation for Open Center to Closed Center circuit switching c.c. c.a. = wrench - Nm ( lbft) = wrench -. Nm (.9 lbft) DWWEE

45 SDE Inlet section: options ressure compensated flow control valve For sections N-N7-N type Curves are measured using the standard compensator mounted on section, with bar (5 psi) stand-by. regulation diagram vs. ressure diagram EEN 5 (l/min) (US gpm) (l/min) (US gpm) Z Z 9. EEL (%) Valve operation ressure (@VDC) (@VDC) Coil current.5.7 Legenda EEN: without emergency actuation EEL: hand-wheel emergency actuation K = wrench -. Nm (.9 lbft) = wrench 7-5 Nm (7 lbft) = 5 Nm (.7 lbft) Z = wrench - 9. Nm (7. lbft) Features ax. flow...: l/min (. US gpm) ax. pressure...: bar (5 psi) Internal leakages...: 5 cm 5 bar (9. in 75 psi) For coil features and options see Q9 or H coils on pages 5 and 59. Compensator kit For sections N-N7-N type SRCV(C) SRC(C) 7..7 CL max.5 max Legenda SRC(C): compensator with bar (5 psi) stand-by, for Open Center circuit CL: compensator blanking plug, for Closed Center circuit (for N type) SRCV(C): compensator with bar (5 psi) stand-by, hand-wheel actuation for Open Center to Closed Center circuit switching c.c. c.a. = wrench - Nm ( lbft) = wrench -. Nm (.9 lbft) DWWEE 5

46 SDE Working section: part ordering codes Valve setting SDE / - ES. (G-) - WC -... without coil 5 Working section body kit * page 7 Section bodies are cast iron made E CODE DESCRIION Sections with standard threads: G/ Q 5EL arallel type, with arrangement for upper flangeable valve block QS 5EL s type Q, for series circuit: need spool type S #. Only for section up to l/min (5. US gpm) Q() 5EL5 s type Q, for regenerative circuit on port : need spool type 5EL s type Q, with arrangement for secondary relief valve Sections with increased threads: G/ NF-S 5EL arallel type, without arrangement for upper flangeable valve block QSNF-S 5EL s type Q, for series circuit: needs spool type S #. Only for SDE valve QNF()-S 5EL5 s type Q, for regenerative circuit on port : needs spool type NF-S 5EL s type Q, with arrangement for secondary port valves On/off solenoid control page 5 E CODE DESCRIION For section up to l/min (5. US gpm) ES 5CNEC Single acting on port ES 5CNEC Single acting on port ES 5CNEC Double acting ESLHD 5CNE Double acting with emergency lever operation: needs dedicated spools ESSE 5CNEC Double acting: for spool type S # For section up to l/min (7.9 US gpm) ES 5CNEC Single acting on port ES 5CNEC Single acting on port ES 5CNE5C Double acting ESLHD 5CNE5 Double acting with emergency lever operation: needs dedicated spools Spool page 9 E CODE DESCRIION For ON/OFF solenoid control CU9 Double acting, and closed in neutral pos. CU9 Double acting, to tank in neutral pos. For connect to tank (type ) is necessary to turn the spool CU95 Double acting, and to tank in neutral pos. H CU955 Double acting, and partially to tank in neutral position S CU9 Double acting, for series circuit: needs control type ESSE and section type QS-QSNF # CU9 Double acting, for regenerative circuit, for l/min (7.9 US gpm): needs section type Q For ON/OFF solenoid control with emergency lever operation LHD CU9 s type LHD CU9 s type LHD CU9 s type HLHD CU9 s type H ort relief valves page Standard setting is referred to l/min (. US gpm) flow. E CODE DESCRIION (G-) 5KI From 5 to bar (75 to 9 psi), standard setting bar (5 psi) (G-) 5KI From to 5 bar (9 to psi), standard setting bar (9 psi) 5KI and ports valve blanking plugs 5 Section threading Specify threading always when it is different from S standard (see page ). Optional coils page 5 For list of available coils see pages of related sections NOES (#) For Series circuit configuration rules see page 9. NOS (*) Codes are referred to S thread. DWWEE

47 SDE Working section Dimensions and hydraulic circuit Working section Q type.5. Q type: parallel circuit (with spool type ) Q type: regenerative circuit (needs spool type ) 7.5. Valve fixing plan Standard port thread: G/ with arrangement for valve blocks QS type for series circuit (needs spool type S) Increased port thread: G/ without arrangement for valve blocks (NF type) ressure..9. through pressure drop (parallel and regenerative circuits) 9 5 (US gpm) (US gpm) ressure through pressure drop (QS series section with S spool). 5 5 (l/min) 5 (l/min) DWWEE 7

48 SDE Working section Dimension and hydraulic circuit Working section type With arrangement for secondary port valves. type section is available also with increased port threads (G/): see Q type section for dimensional data type: parallel circuit (with spool type ) Valve fixing plan ort relief valves G type Setting range: G type (US gpm) 5 Z H type.5. ressure max. setting min. setting 5 (l/min) Setting range: G type Legenda G: screw setting type H: valve set and locked ressure (US gpm) max. setting 5 min. setting = wrench 7 - Nm (7.7 lbft) = wrench -. Nm (.9 lbft) Z = allen wrench.5 5 (l/min) DWWEE

49 SDE Working section Spools ypes -LHD Double acting, and closed in neutral position ypes -LHD Double acting, to tank in neutral position ypes -LHD Double acting, and to tank in neutral position Stroke position : + mm (+. in) position : - mm (-. in) Stroke position : + mm (+. in) position : - mm (-. in) Stroke position : + mm (+. in) position : - mm (-. in) port - port pressure drops (curves are matched) 9 5 (US gpm) port - port pressure drops (curves are matched) 9 5 (US gpm) ressure ressure 5 (l/min) 5 (l/min) ypes H-HLHD Double acting, and partially to tank in neutral position ypes S Double acting, for series circuit ypes Double acting, for regenerative circuit Stroke position : + mm (+. in) position : - mm (-. in) Stroke position : + mm (+. in) position : - mm (-. in) Stroke position : + mm (+. in) position : - mm (-. in) ressure port - port pressure drops (curves are matched) 9 5 (US gpm) ressure port - port pressure drops (curves are matched) 9 5 (US gpm) ressure port - port pressure drops indicated for l/min (7.9 US gpm) max (US gpm) 9 5 (l/min) 5 (l/min) (l/min) DWWEE 9