Servo Directional Valve 4WS2EM10-5X/5B11XHET315K31EV-100 - Bosch Rexroth R901116633

A valve rated 75 l/min on a cylinder that needs only a few litres per minute throws away half the resolution of the control loop. The 4WS2EM10-5X/5B11XHET315K31EV-100 is therefore laid out for 5 l/min nominal flow, 9 l/min maximum, while holding 350 bar operating pressure. Being direct actuated, it responds without a pilot stage.

Key benefits

• 5 l/min nominal flow and 9 l/min maximum, sized for fine positioning and force control.
• Operating pressure up to 350 bar despite the small flow rate.
• Direct actuated, 4 switching positions, 2 ports, mounting pattern ISO 4401-05-05-0-05.
• Application area II 1G to 2014/34/EU, component series 5X.
• Analog 30 mA command value from external electronics, 24 VDC supply.
• 3.4 kg valve mass, FKM seals for HL hydraulic fluid.

Applications

Typical uses are materials testing machines, force control loops and slow feed axes where resolution matters more than speed. The small nominal size also reduces leakage in a closed control loop. The II 1G marking and the CCC-Ex certificate allow use in hazardous areas.

Manufacturer

Bosch Rexroth, material number R901116633. The nominal size cannot be seen on the housing, which makes the material number the decisive ordering reference.