DIRECIONL CONROLS hese valves may be used to manually shift the spool position and change the direction of oil flow. hreaded Connections Sub-late Mounting Specifications DM--C - DM--D - DM--D - DM--B - DM- -C - DM- -D - DM- -D - DM- -B - DM- -C - DM- -D - DM- -D - DM- -B - DMG--C - DMG--D - DMG--D - DMG--B - DMG--C - DMG--D - DMG--D - DMG--B - DMG--C - DMG--D - DMG--D - DMG--B - DMG--C - DMG--D - DMG--D - DMG--B - DMG--C - DMG--D - DMG--D - DMG--B -...... 7 Ma ( SI) {} (79. {.8}) (79.) (79.) {} ( {8.}) (8.) (9.) 9 (.8) () 7 (77) Maximum Flow L/min (U.S.GM) Ma ( SI) {} (79. {.7}) (79.) (79.) (.7) {} ( {8.}) (8.) (9.) (.9) (79.) Ma ( SI) {} (79. {.}) (79.) (79.) {} ( {8.}) (8.) (9.) (7.7) (.) (.) (9.) (8.7). Ma (7 SI) Note: he maximum flow means the limited flow without inducing any abnormality to the operation (changeover) of the valve. For details, please refer to the "List of Standard Models and Maximum Flow" on pages 8 to 9. Varies depending on the spool type. For details, see the "List of Standard Model and Maximum Flows" for DSG- Series Solenoid Operated Directional s (page and at Hz rated voltage). he figures in parentheses indicate Max. flow for C,C, C and C. Varies depending on the spool type. For the details, see the table in the following page. Varies depending on the spool type. Same as DSHG- (at pilot pressure of. Ma ( SI). See page 9. Lever operating torque varies depends on the -line back pressure. See the right-hand figure. If the -Line back pressure exceeds 7 Ma ( SI), directly connect the drain port to the reservoir. Max.Operating ressure Ma (SI) () () () () () (). (7). (7) Max. -Line Back ressure Ma (SI) () t time spool shift is required: 7 () t time spool shift is not required: () t time spool shift is required: 7 () t time spool shift is not required: () () () () () () Nm. 8.. Operating orque(in.lbf.) pprox. Mass kg (lbs.). (.).9 (8.) (8.).8 (.). (8.8) 7. (.) 7.9 (7.). (.) (.) 8. () () DMG- Lever Operating orque Ma SI -Line Back ressure E 9
Model Number Designation F- Special Seals F: Special Seals for hosphate ester type fluids (Omit if not required) DM Series Number DM : Manually Operated Directional s ype of Connection : hreaded Connection G: Mounting - Size (iping size /) X (iping size ) (iping size -/) X (iping size -/) - No. of osition B Spool-Spring rragement C: Spring Centred D: No-Spring Detented B: Spring Offset See the table below for combinations. Spool ype,,,, 7 8, 9, Special wo osition,b (Omit if not required) Refer to column "valves using neutral position and side position" (special -position valve) on page. - Design Number Design Standard None: Japanese Std. "JIS" 8: European Design Std. 9: N. merican Design Std. None: Japanese Std. "JIS" and European Design Std. 9: N. merican Design Std. Yuken can offer flanged connection valves described below. Consult us for the details. DMF-- - DMF-- - Model Numbers DMG--C DMG--C DMG--C DMG--C DMG--C DMG--C DMG--C DMG--C7 DMG--C9 DMG--C DMG--C DMG--C Rated Flow L/min (U.S.GM) (8.) () Maximum Flow of DMG--C Max. Operating ressure Ma (SI) () Max. Flow L/min (U.S.GM) 7 Ma( SI) Ma( SI) Ma( SI) (.) 8 (.) 8 (7.) 9 (.8) 7 (8.) 9 (.8) 8 (.) 9 (.8) (7.) Graphic Symbols Spring Centred Models (C ) # # # B (.) (.9) 7 (8.) 7 (9.8) (.) (.) (9.) (7.7) (.) (.) (.) (.) 8 (.) 8 (.) 9 (.) Spool ype 7 8 9 List of Spool ype C D DMG- D B C D DM- DMG- DM- DM- D B C D D B DMG- DMG- DMG- C D D B No-Spring Detented Models D D # # # # (#) # B B Spring Offset Models (B ) # (#) # B. osition # is applied for models DMG--B and DM --B /D. G osition # osition # osition # (#, in case of D MG -/-B, DMG--D ) Note: he mark indicate the spool type available for each type.
E DIRECIONL CONROLS s Using Neutral osition and Side osition (Special wo osition ) In addition to the standard two positions valves (D, B ), the following two types of two positions valves are available : s with neutral position (#) and position # (B, D ), valves with neutral position (#) and position # (B B, D B). he mark in the table below indicates the spool type available for each models. Spring Offset Models ype Graphic Symbols B DM- DMG- Model DM- DM- DMG- DMG- DMG- ype Graphic Symbols B DMG- DM- DMG- Model DM- DM- DMG- DMG- DMG- B B B B BB BB BB BB B BB B BB B B7 B8 B9 B B B BB B7B B8B B9B BB BB BB osition # osition # osition # osition # No-spring Detented Models ype Graphic Symbols B DM- DM- Model DMG- DMG- DMG- ype Graphic Symbols B DMG- Model DM- DM- DMG- DMG- DMG- D D D D DB DB DB DB D DB D DB D DB D7 D8 D9 D D D D7B D8B D9B DB DB DB osition # osition # osition # osition #. osition number is determined with three position type (C and D ) as the standard.
s Model Numbers DMG- DMG- DMG- DMG- DMG- Model Numbers DMG- DMG- DMG- DMG- DMG- Japanese Standard "JIS" DSGM-- DSGM-X- DSGM-Y- DSGM-- DSGM-X- DSGM-Y- DHGM-- DHGM-X- DHGM-- DHGM-X- DHGM-- DHGM-X- hread Size Rc /8 Rc / Rc /8 Rc /8 Rc / Rc / Rc / Rc / Rc / Rc Rc -/ Rc -/ Japanese Standard "JIS" European Design Standard M Lg. M Lg. M Lg. M Lg. M Lg. M 7 Lg. pprox. Mass kg (bs.).8.8.8...7.. 7. 7. (.8) (.8) (.8) (.) (.) (.) (9.7) (9.) (.) (.). (7.). (7.) European Design Standard DSGM--8 DSGM-X-8 DSGM--8 DSGM-X-8 DSGM-Y-8 DHGM--8 DHGM-X-8 DHGM--8 DHGM-X-8 DHGM--8 DHGM-X-8 Socket Head Cap Screw N. merican Design Standard No. - UNC -/ Lg. /- UNC -/ Lg. /- UNC -/ Lg. /8- UNC -/ Lg. /- UNC -/ Lg. /- UNC Lg. hread Size /8 BS.F / BS.F /8 BS.F / BS.F / BS.F / BS.F / BS.F / BS.F BS.F -/ BS.F -/ BS.F Qty. 8 pprox. Mass kg (bs.) s are available. Specify the sub-plate model number from the table above. When sub-plates are not used, the mounting surface should have a good machined finish. Sharable with Solenoid Operand Directional s and Solenoid Controlled ilot Operated Directional s. For dimensions, refer to the right table then see the corresponding pages. Mounting Bolts.8.8...7.. 8. 8. (.8) (.8) N. merican Design Standard DSGM--9 DSGM-X-9 DSGM-Y-9 (.) DSGM--9 (.) DSGM-X-9 (.) DSGM-Y-9 (9.7) (9.) DHGM--9 DHGM-X-9 (8.7) DHGM--9 (8.7) DHGM-X-9. (7.) DHGM--9. (7.) DHGM-X-9 ightening orque Nm (in. bs.) -7 (-) - (-) - 8-7 (-) (-7) - (88-89) 7-8 (9-77) hread Size /8 N / N /8 N /8 N / N / N / N / N / N N -/ N -/ N Subplate DSGM- DSGM- DHGM- DHGM- DHGM- pprox. Mass kg (bs.).8.8.8...7.. 7. 7. (.8) (.8) (.8) (.) (.) (.) (9.7) (9.) (.) (.). (7.). (7.) dimensions appearing page age 7 Instructions void connecting the ank ort "" to a line with possible surge pressure. ressure Drop he following characteristics are based on the following conditions: viscosity of the fluid: mm /s ( SSU) and Specific Gravity:.8 DM-, X For any other viscosity, multiply the factors in the table below. mm /s 7 8 9 Viscosity SSU 77 98 8 78 7 7 Factor.8.87.9..9..9..7. For any other specific gravity (G'), the pressure drop ( ') may be obtained from the formula below. ' = (G'/G) where, is a value on the following chart and G is.8. ressure Drop SI Ma..8... 8 U.S.GM Flow Rate L /min Spool ype 7 8 9 ressure Drop Curve Number B B
E DIRECIONL CONROLS DM-, X ressure Drop SI Ma..8... 8 Flow Rate L /min U.S.GM Spool ype 7 8 9 ressure Drop Curve Number B B DMG- ressure Drop SI Ma....8... 8 9 Flow Rate L /min U.S.GM C C C C C C C C7 C8 C9 C C C type D D D D D D D D7 D8 D9 D D D D D D D7 D8 B B B B8 ressure Drop Curve Number B B DMG- ressure Drop SI 7 Ma...8... L /min U.S.GM Flow Rate Spool ype 7 9 ressure Drop Curve Number B B For DM-, DMG-, DMG-, and DMG-, refer to the table below then see the related page. Model Number DM- DMG- DMG- DMG- ressure Drop Characteristics Same as DSG- Series Solenoid Operated Directional s (Standard ype) Same as Solenoid Controlled ilot Operated Directional s (DSHG-) Same as Solenoid Controlled ilot Operated Directional s (DSHG-) age 7 9 9 Remarks D is same as C
DM-- -/8/9 How to Change Lever osition: he lever position can be changed to any position in five different positions shown on the sketch in the right. For the lever position change, remove the Soc. Hd. Cap Screw and lever once, set the lever at the required position and tighten it with the Soc. Hd. Cap Screw firmly. DM-- - DM-- -8 DM-- -9 "C" hd. Rc /8 /8 BS.F /8 N 7. (.9) 7 (.) Soc. Hd. Cap Screw (.) Hex. Soc. (.98) Dia. osition # osition # 9 (.7). (.8) Cylinder ort "" "C" hd. 9.7 (.7) 7 (.) (.9) 8.7 (.9) 8. (.7) 9.8 (7.) osition # (.) (.7). R9. (R.7) ressure ort "" "C" hd. 7(.8) Dia. hrough (.) C' bore laces 7 (.) (.7) (.8) 7 (.7) (.8) Cylinder ort "B" "C" hd. ank ort "" "C" hd. Lever Operating orque: Not exceeding Nm ( IN. bs.) 7 (.) 8. (.) 9.7 (.) 9 (.7) 9 (.).8 (.8).8 (.) DM-, X- -/8/9 DM-, X- -/8/9 Cylinder ort "" ressure ort "" Cylinder ort "B" DIMENSIONS IN MILLIMERES (INCHES) F E F DM-- - DM-X- - DM-- -8 DM-X- -8 DM-- -9 DM-X- -9 DM-- - DM-X- - "h" hd. Rc / Rc / BS.F BS.F / N N Rc -/ Rc -/ DM-- -8 -/ BS.F DM-X- -8 -/ BS.F DM-- -9 DM-X- -9 Model No. DM- DM-X DM- DM-X -/ N -/ N "f" Dia. hrough "g" Dia. Spotface laces ank ort "" L C K S J "h" hd. laces S B R "e" D osition # C Q N X H U Y Z Neutral osition # (.7) Dia. a V X Stroke b osition # Dimension mm (Inches) C D E F H J K L N Q S U V X Y Z a b d e f g (.97) (.) (.8) (.7) (.9) (.) 7. (.87). (.) (.9) (.) (.) (.8) (.) (.) 7 (.9) 7 (.8) 8 (.) 7 (.79) 7 (.) (.). (.) (.7) 8 (.9) (.) 7 (.99) 9 (.) 9 (.). (.9) (.7) (.97) d (.98) (.8) (9.8) (.8) (.9) (.7). (.) 78. (.9) (.7) (.9) (.). (.) 7. (.9) (.8)
E DIRECIONL CONROLS DMG-- -/9 Mounting surface: ISO -B--- DIMENSIONS IN MILLIMERES (INCHES) osition # 7.(.) Dia. hrough 9.(.7) Dia. C' bore laces R9 (R.9) ressure ort "" 7 (.8). (.9) Cylinder ort "" (.87):C 7(.7):D,D,B (.).7 (.) Neutral osition #. (.) (.). (.8) 7 osition # ank ort "" Cylinder ort "B" he operating lever position can be adjusted as required on the circumference by loosening the set screw. Four positions are available in 9 increment. (.) (.79) Dia. (.) Dia. Lever Fixing Screw. (.) Hex. Soc. 7 (.9) (.98) 9 (.) 8 (.). (.99) 8 (.89) (.) Mounting Surface (s Furnished) Note: For the valve mounting surface dimensions, see the dimensional drawing of the sharable sub-plate in page.
DMG-- -/9 Mounting surface: ISO -C--- DIMENSIONS IN MILLIMERES (INCHES) Cylinder ort "" 9.7 (.7) ressure ort "" (.) Cylinder ort "B" 7(.8) Dia. hrough (.) Dia. Spotface laces. (.8) (.7) (.8) 7 (.7) 8.7 (.9) 8. (.7) 9.8 (7.).8 (.) ank ort "".. lthough the tank port is shown on the left in our sub-plate either may be used. he position of operating lever can be changed as required. For the detail, see the DM- in the previous page.. Lever Operating orque: Not exceeding Nm ( IN. bs.) 7. (.9) 7 (.) (.98) Dia. osition # osition # osition # R9. (R.7). (.8) 9 (.7) 7 (.) 9 (.) 7. (.) (.8) 9.7 (.) 9 (.7) 9 (.) Mounting Surface (s Furnished) Note: For the valve mounting surface dimensions, see the dimensional drawing of the sharable sub-plate in page 7.
E DIRECIONL CONROLS DMG-- -/9 ank ort "" (.) Dia. hrough 7.(.9) Dia. Spotface laces. (.) (.). (.) (.) Mounting surface: ISO -D-7-- ressure ort "" Cylinder ort "B" osition #.9 (.7) 9.8 (.7) 7.9 (.87) 9 (.) osition # (.7) Dia. (.) (.) (.97) osition # 7(.8) Dia. hrough (.) Dia. Spotface laces Cylinder ort "". (.). (.) Drain ort "Y" (.8) R (R7.87) 9. (.). (9.). (7.97). (.89) Chain line indicates Spring Offset Models (B,B ). (.) (.) (.8) (.) (.97) B Mounting Surface (.) Dia. (s Furnished) wo Locating ins Note: For the valve mounting surface dimensions, see the dimensional drawing of the sharable sub-plate in page. DMG-- -/9 9.8 (.77) ank ort "" Drain ort "V" DIMENSIONS IN MILLIMERES (INCHES). (.8). (.). (.9) Y ressure ort "" Mounting surface: ISO -E-8--.(.) Dia. hrough (.79) Dia. Spotface laces. (.8) 9. (.) 8 (.) X B (.8) osition # osition # 7 (.).8 (.) 7 (.) 77 (.). (.) osition # Cylinder ort "B" Cylinder ort "" (.) (.) (.) Indicates Spring Offset Models (B ). (.7) Dia. R (R7.87) Indicates Spring Offset Models (B ). (.) (.7) 7 (.8) (.7). (.9) (.) Mounting Surface (s Furnished) Note: For the valve mounting surface dimensions, see the dimensional drawing of the sharable sub-plate in page. (.) Dia. wo Locating ins (.) 7
DMG-- -/9 Mounting surface: ISO -F--- DIMENSIONS IN MILLIMERES (INCHES) ressure ort "". (.77) ank ort "" (7.8) 9. (7.) 7. (.).(.8) Dia. hrough (.) Dia. Spotface laces Y Drain ort "V" X B 9.. (.7) (.) Cylinder ort "" 79. (.) 8.8 (.) 98 (7.8) 9. (.77) Cylinder ort "B" (.) osition # osition # (.7) Dia. R (R.8) (.) (.) (.79) osition # wo Eye Bolts M8. (.) 7. (.87) Indicates Spring Offset Models (B ) Indicates Spring Offset Models (B ). (.7) (.) (.) 8 (7.9) (.) (.) Dia. wo Locating ins. (.8).8 (9.) Mounting Surface (s Furnished) Note: For the valve mounting surface dimensions, see the dimensional drawing of the sharable sub-plate in page. 8
E DIRECIONL CONROLS List of Seals DMG-- -/9 9 X 8 7 Section X-X X 9 8 Item Name of arts art Numbers SO-NB-8 SO-N- SO-NB-9 Qty. Note: When ordering the o-ring, please specify the seal kit number (KS-DMG--). DM-- -/8/9 DMG-- -/9 7 8 7 9 9 8 8 Item Name of arts art Numbers SO-NB- SO-N-8 Qty. Back Up Ring SO-BB-8 7 SO-NB- 8 SO-NB- Note:. O-rings of Item 8 are not used for DM-.. When ordering the seals, please specify the seal kit number from the table right. DM-- -/8/9 DMG-- -/9 Seal Kit Numbers KS-DM-- KS-DMG-- 9
List of Seals DM-, X- -/8/9 DM-, X- -/8/9 7 7 8 9 List of Seal Kits Item Name of arts acking Dust Seal art Numbers DM- DM- UI Y UI Y DKI 7 DKI 7 Qty. DM- - -/8/9 DM- - -/8/9 Seal Kit Numbers KS-DM-- KS-DM-- Note: When ordering the seals, please specify the seal kit number from the table right. DMG-- -/9 DMG-- -/9 DMG-- -/9 8 9 7 7 8 Section - 8 9 9 List of Seal Kits Item 9 Name of arts DMG- SO-NB- SO-NB- SO-N- SO-NB-9 SO-NB-9 art Numbers DMG- SO-NB- SO-NB- SO-N- SO-NB- SO-NB- DMG- SO-NB-G SO-NB- SO-N- SO-NB- SO-NB- Qty. DMG- - -/9 DMG- - -/9 DMG-- -/9 Seal Kit Numbers KS-DMG-- KS-DMG-- KS-DMG-- Note: When ordering the seals, please specify the seal kit number from the table right.
EMechanically Operated Directional s Mechanically Operated Directional s DIRECIONL CONROLS hese valves are chiefly used to shift the pilot circuit. Rotary ype Directional s and Cam Operated ype Directional s are available. Rotary ype Directional s hese valves are used to rotate the spool either manually or by way of cam and shift the direction of oil flow. he detented mechanism incorporated in these valves prevents the valve from being changed over by itself due to vibrations or any other shocks. Specifications hreaded Connection Mounting DR-- D - DRG-- D - Rated Flow L/min (U.S.GM) (.) Max. Operating ressure Ma (SI) 7 () Max. -Line ressure Ma (SI) 7 () When a back pressure of more than Ma ( SI) is generated in the tank port, be sure to use External Drain ype. pprox. Mass kg (lbs.) DR ype DRG ype.7 (.). (7.) Model Number Designation F- Special Seals F: Special seals for phosphate ester type fluids (Omit if not required) DR Series Connection DR: Rotary ype Directinal G ype of Mounting : hreaded Connection G: Mounting - Size - No. of osition D Spool-Spring rrangement D: No-spring Detented Spool ype - Operation ype : Reversing Dog B: Reversing Dog & Manual C: Manual -R Drain Connection None: Intrenal Drain R: External Drain Note: When selecting the Model type, be sure to give the model number from the following Graphic Symbols. No combinations other than those in the table below are allowed. - Design Number Design Standards None: Japanese Std. "JIS" 8: European Design Std. 9: N. merican Design Std. None: Japanese Std. "JIS" & European Design Std. 9: N. merican Design Std. Graphic Symbols No. of osition -osition ype -osition ype Operation ype Reversing Dog Operation Reversing Dog & Manual Operation Manual Operation Manual Operation Graphic Symbols # B # # B Model No. DR --D- DR --D-B DR --D-C DR --D-C # # B # # # # B Instructuions Changeover orque When the pressure of pressure port "" and cylinder port "" (or "B") is set to 7 Ma ( SI), the valve changeover torque will be as right side table: -Way directional valves Be sure to use the External Drain ype of spool type "" and plug the tank port. Changeover orque ank ort Back res. Ma (SI) () orque Nm (in. bs.). (8.9).8 (.) Mechanically Operated Directional s
s Drain Connection For Internal Drain For External Drain Model Numbers ressure Drop DRG- SI... Japanese Standard "JIS" DRGM-- DRGM-X- DRGM--R- DRGM-X-R- hread Size Rc / Rc /8 Rc / Rc /8 European Design Standard DRGM--8 DRGM-X-8 DRGM--R-8 DRGM-X-R-8 Socket Head Cap Screw ( cs.) Japanese Standard "JIS" N. merican Design Standard European Design Standard M8 Lg. /-8 UNC -/ Lg. Ma Hydraulic Fluid: Viscosity mm /s ( SSU), Specific Gravity.8. 8 Flow Rate L /min U.S.GM hread Size / BS.F /8 BS.F / BS.F /8 BS.F s are available. Specify the sub-plate model number from the table above. When sub-plates are not used, the mounting surface should have a good machined finish. Mounting Bolts N.merican Design Standard DRGM--9 DRGM-X-9 DRGM--R-9 DRGM-X-R-9 he Mounting ype s (DRG-) only are furnished with the following mounting bolts. ressure Drop DR-- D - -/8/9 Cylinder ort "B" 7. Cylinder ort "" DR-- D - - DR-- D - -8 DR-- D - -9 "C" hd. Rc / / BS.F / N Drain ort "Y" "C" hd. External drain type only has drain port. ank ort "" 7. 8(.) Dia. 7(.99) Dia. ressure ort "" hread Size / N /8 N / N /8 N pprox. Mass kg (bs.).9 (.) ressure Drop Curve No. ype B B D D. For any other viscosity, multiply by the factors in the table below. mm /s 7 8 9 Viscosity SSU 77 98 8 78 7 7 Factor.8.87.9..9..9..7.. For any other specific gravity (G'), the pressure drop ( ') may be obtained from the formula below. ' = (G'/.8) ype "" : Reversing Dog Operation. (.9) (.) (.8) 8(.) Dia. "C" hd. laces ype "B": Reverseing Dog and Manual Operation 8. (.) (.9).(.) (.) R8(R.) 8(.) Dia. (.97) Dia. osition # (.) R (R.7) (.8) R8 (R.) (.9) osition # ype "C" : Manual Operation (.) Dia. hrough 7. (.9) C' bore laces (.) DIMENSIONS IN MILLIMERES (INCHES) R(R.) R(R.) (.) (.) Dia. osition # Dia. (.8) (.8) osition # osition # For other dimensions, refer to "Reversing Dog Operation"..... osition # Neutral osition # Mechanically Operated Directional s
EMechanically Operated Directional s DIRECIONL CONROLS DRG-- D - -/9 ype "" : Reversing Dog Operation 8.(.) Dia. Cylinder ort "B" Cylinder ort "" ank ort "" (.7) Dia.. (.7) (.8) (.) (.98) 8(.) Dia. (.7) (.97) Dia. osition # osition # R8 (R.) (.) ressure ort "".(.) Mounting Surface (s Furnished) 8.8(.) Dia. hrough (.) C' bore laces For information on ype "B": reversing Dog and Manual Operation and ype "C": Manual Operation, see DR- on the previous page. s : DRGM- - -/8/9 X DIMENSIONS IN MILLIMERES (INCHES).7(.7) "F" Dia. laces (.9) 7 (.) "H" Dia. 8.(.) (.98) (.87). (.) "C" hd. laces "D" hd... B "E" hd. (.) Deep laces (.) Dia. hrough 7.(.9) C' bore laces R(R.7) (.7) DRGM-- DRGM-X- "C" hd. "D" hd. "E" hd. Rc / Rc /8 M8 mm (Inches) F H (.) Remarks DRGM--8 DRGM-X-8 / BS.F /8 BS.F M8.7 (.) For Internal Drain DRGM--9 DRGM-X-9 / N /8 N /-8 UNC (.) DRGM--R- DRGM-X-R- Rc / Rc /8 Rc / M8 (.) (.) DRGM--R-8 DRGM-X-R-8 / BS.F /8 BS.F / BS.F M8.7 (.).7 (.) For External Drain DRGM--R-9 DRGM-X-R-9 / N /8 N / N /-8 UNC (.) (.) Mechanically Operated Directional s
List of Seals DR-- D - -/8/9 7 9 8 7 Item Name of arts art Numbers Qty. Remarks SO-NB-G Included in Seal Kit SO-N- (Kit No.: KS-DR--) DRG-- D - -/9 8 9 7 9 8 7 Item Name of arts art Numbers Qty. Remarks SO-NB-G Included in Seal Kit SO-N- (Kit No.: KS-DRG--) 7 SO-NB- Mechanically Operated Directional s