Walvoil SDS sectional control valves

Walvoil SDS sectional control valves

Walvoil SDS sectional control valves

 

Simple, compact and heavy duty designed sectional valve from 1 to 12 sections for open and closed centre hydraulic systems.

 

  • Fitted with a main pressure relief valve and a load check valve on every working section.
  • Available with parallel, tandem or series circuit.
  • Optional acrry-over port.
  • A wide variety of port and circuit valves.
  • Available manual, pneumatic, hydraulic, electro-hydraulic and remote with flexible cables spool control kits.
  • Diameter 20 mm (0,79 in.) interchangeable spools.
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Nominal flow rating

Parallel or tandem circuit

160 l/min

Series circuit

140 l/min

Operating pressure

Parallel or tandem circuit

315 bar (4600 psi)

Series circuit

250 bar (3600 psi)

Max back pressure

On outlet T

25 bar (360 psi)

Internal leakage A(B)→T

∆p=100 bar (1450 psi) fluid and valve 40°C

5 cm3/min (0,30 in3/min)

Fluid

 

Mineral base oil

Fluid temperature

with NBR seals

from -20° to 80°C

with FPM (VITON) seals

from -20° to 100°C

Viscosity

Working range

from 15 to 75 mm2/s

Min

12 mm2/s

Max

400 mm2/s

Max level of contamination

 

-/19/16 - ISO 4406

Ambient temperature for working conditions

With mechanical control

from -40° to 60°C

With electric controls

from -20° to 60°C

With pneumatic and hydraulic control

from -30° to 80°C

 

 

Code Description
114130030 SDS150/1/AC(YG4-200)/18L/RC-BSP34(PABT)           
114130031 SDS150/1/AC(XGA-120)/111L/RC                      
114131001 SDS150/1/AC(XGA-120)/18L/RC                       
114330115 SDS150/3/AC(YG3-220)/18L/28L/28L/RC               
114330116 SDS150/3/BC(YG3-220)/28L/18L/18L/RC               
114430105 SDS150/4 METAL WORK                               
114431002 SDS150/4/AC(XGA-120)/18L/18L/18L/18L/RC           

Code Description
118100013 SDS180/1/AC(YG3-120)/18L/RC-<Q80>                 
118100015 SDS180/1/AC(XG-120)/18L/RC-<Q80>                  
118100017 SDS180/1/AC(YG4-300)/28PL/RC-<Q80>                
118100040 SDS180/1/AC(YG3-180)/18L/RC                       
118100051 SDS180/1/AC(YG3-120)/18PL/RC                      
118200008 SDS180/2/AC(YG3-210)/18L/18L/RC                   
118200014 SDS180/2/AC(YG3-120)/18L/18L/RC                   
118200062 SDS180/2/AC(YG3-180)/18PL/18PL/RC-<Q80>           
118200087 SDS180/2/AC(YG3-200)/28L/18L/RC                   
118300006 SDS180/3/AC(YG3-120)/18L/18L/18L/RC               
118300029 SDS180/3/AC(XG-120)/18L/18L/18L/RC                
118400019 SDS180/4/AC(XG-120)/18L/18L/18L/18L/RC            
118400038 SDS180/4/AC(YG3-120)/18L/18L/18L/111L/RC