Directional Spool Valve 4WEH16U7X/6EG24NTK4 - Bosch Rexroth R901089609

A larger cylinder has to rest in three defined states: extend, retract and a centre position given by symbol U. This pilot-operated size 16 directional spool valve switches up to 300 l/min for that job at a maximum operating pressure of 280 bar. Pilot oil comes from an external supply, the pilot oil return runs internally.

Advantages

• Flow up to 300 l/min at a maximum operating pressure of 280 bar
• Three switching positions to symbol U across four ports
• External pilot oil supply and internal pilot oil return
• Subplate mounting to ISO 4401-07-07-0-05, weight 9.78 kg
• Solenoid actuation on 24 VDC, connector 3-pole (2 + PE) to EN 175301-803
• NBR seals for HL hydraulic fluid

Application

Presses, injection moulding machines and large feed axes use pilot-operated directional valves of this size at flows around 300 l/min. An external pilot supply suits circuits in which the main pressure drops away at times. Subplate mounting to ISO 4401-07-07-0-05 matches the hole pattern of common manifolds.

Manufacturer

Bosch Rexroth lists the item as material number R901089609 in the H-4W.H.. product family. Switching times, characteristic curves and installation dimensions are given in data sheet RE 24751.