Category: 4WRA

The WRA(E) direct operated proportional valve with integral feedback is available with or without on-board electronics (OBE). Individual valve amplifiers are available for the non-OBE version. Postive overlap spools reduce leakage at center and OBE models can be configured to either a voltage or current command.

Features:

• Sizes 6 and 10
• For subplate mounting:
– Size 6: Porting pattern according to ISO 4401-3, NFPA T3.5.1M R1, and ANSI B 93.7 D 03
– Size 10: Porting pattern according to ISO 4401-5, NFPA T3.5.1M R1, and ANSI B93.7 D 05
• Control of the direction and magnitude of a flow
• Proportional solenoid operation
• Spring-centered control spool
• Different spool overlaps possible
• Integral electronics (OBE) for type 4WRAE