Monobloc and Sectional Directional Control Valves

Transcription

1 Monobloc and Sectional Directional Control Valves 200 P E 03 / /220

2 2 Monobloc directional control valves HDM140 Contents 2.1 General specifications Dimensional data Performances curves Monobloc bodies Adjustable direct acting Relief Valve Spool positioners Spool charts Lever styles Hydraulic Pneumatic control ON OFF 17 8/220

3 2.1 General specifications Max flow rate Max continuous operating pressure supply port P Max intermittent peak pressure work port A/B Max back pressure tank port Oil temperature echnical specification l/min. U.S.G.P.M. C F to to 180 Oil viscosity mm 2 /s 16 to 75 Oil filtration 30 Spool leakage at 100 (1450 ), emp. 50 C (120 F), viscosity 27 mm 2 /s: Maximum Average cm 3 /min. Cu. In./min. cm 3 /min. Cu. In./min Lower values on demand (to be agreed with our Sales Dept..) Number of spools 1 Adjustable direct operated relief valve (tamper proof seal available on request) Single load hold check valve RV LC Weight Version kg lb HDM Material specification: Body: High strength cast iron. Spool: Hardened steel. Seals: Buna N" Standard features: 1) Balanced interchangeable spools (provides minimum leakage, smooth operation) 2) Wide selection inlets, work ports, and outlets threaded ports. 3) Negative overlapping of the spool Optional features available: 1) Open or closed centre positions, 3 or 4 way operations, 3 or 4 position (float position), full open centre (motor spool) and other spool options. 2) Complete lever assembly. 3) Wide range spool positioners Symbols: P: inlet port : outlet port A/B: work ports RV: relief valve : spool position P: pressure line : exhaust line E: center line (by pass). 9/220

4 2.2 Dimensional data RV Identification plate P (see 2.8) Float PRESS B PRESS B Pos.3: SROKE 8 mm..31" Pos.2: SROKE 4 mm..16" 0 Pos.1: SROKE 4 mm..16" A PRESS Pos.2: SROKE 5 mm..19" 0 Pos.1: SROKE 5 mm..19" A PRESS P RV * For positioner dimensions see 2.6 Dimensional data shown in mm and inches. Ex.: 85 = mm 3.35" = inches 10/220

5 2.3 Performance curves Oil: Shell ellus 37 emperature: 50 C (120 F) Viscosity: 27 mm 2 /s P P A/B Pressure drop Pressure drop U.S.G.P.M. U.S.G.P.M. l/min l/min Flow rate Flow rate A/B Metering Std. spools P A/B 50 A/B 50 Pressure drop Flow rate A/B 150 U.S.G.P.M. l/min U.S.G.P.M. inches P A/B 150 l/min mm Flow rate Stroke 11/220

6 2.4 Monobloc bodies D M18X1.5 K /8 BSP K SAE8 K A A B B P P RV Note: Body codes consist of: machined casting, seals, plugs and check valve only. Not to be used for complete valve order. 2.5 Adjustable direct acting Relief Valve RV 25 (362 ) Fluctuating pressure 15 (125 ) RV P Peak 160 (2320 ) Operating ime Reliefvalvesetat30l/min(8U.S.G.P.M.) Pressure setting Pressure set range () ( ) Std. setting () 60 (860) 06 Spring colour Yellow (YE) U.S.G.P.M. l/min Flow rate ( ) * ( ) 150 (2100) 260 (3700) Green (GR) Blue (BL) * he maximum operating pressure for each valve series is indicated in the echnical specification at the first page of each valve section. - P - - E - 03 / /220

7 2.6 Spool positioners F (N)** standard " F 3 position spring return to neutral 2 position detent spring centre position detent 4 position float Plastic plug code: position detent 2 position spring return position detent 2 position spring return * : code without plastic plug; plastic plug code: F (N)**: Force in Newton (N) needed to operate the spool. 13/220

8 position spring return 2 position spring return position spring return 2 position detent + spring return position detent 3 position spring return position spring return to neutral 2 position detent spring return to pos.1 * : code without plastic plug; plastic plug code: /220

9 2.6.1 Microswitch control Microswitch is operated when the spool is in pos Microswitch is operated when the spool is in pos. 2 * Microswitch is operated when the spool is in pos. 1 and 2 * he microswitch is supplied only on customer s request. 2.7 Spool charts Spool scheme Spool features 3 way 3 position B closed E open by pass G 4 way 3 position A/B closed E open by pass A 4 way 3 position with regenerative spool in 1 st position R** 4 way 3 position A/B E closed B 3 way 3 position A closed E open by pass S 4 way 3 position A/B to tank in neutral E open by pass C 4 way 4 position 4 th floating position Z ** : special body required 15/220

10 2.8 Lever styles L L100 M8X L Lo M8X1.25 mm Lo inches AL001 standard AL AL M8X AL Safety levers L140 M8X Lo M8X1.25 L M8X1.25 mm Lo inches AL AL /220

11 2.8.2 Remote cable control Lever Support M10X1.5 mm Lo inches L AL AL AL Optional M10X AL Cable Spool Kit Cable length Cables are assembled on the valve only on request and with an extra charge mm 1500 mm 2000 mm 2500 mm 3000 mm 4000 mm : Hydraulic Pneumatic control ON OFF HP Operating conditions Hydraulic control: Pressure range: () Min. 6 Max. 15 () Min. 85 Max. 215 Pneumatic control: Pressure range: () Min. 6 Max. 10 () Min. 85 Max /8" BSP " " 1.26" 17/220

12 BUCHER HYDRAULICS Germany Phone Fax France Phone Fax Netherlands UK Phone Phone Fax Fax info.nl@bucherhydraulics.com info.uk@bucherhydraulics.com USA Phone Fax info.wi@bucherhydraulics.com 02/2001 Id.Nr Switzerland Italy Austria China Product Center (Elevator) Phone Fax info.ch@bucherhydraulics.com Phone Fax info.it@bucherhydraulics.com Phone Fax info.at@bucherhydraulics.com Phone Fax info.bj@bucherhydraulics.com Phone Fax info.nh@bucherhydraulics.com We reserve the right of modification without prior notice.