Bosch Standard Valves Directional Control Hydraulic Valves Models 4WEH and 4WH Directional Control Valves

Hydraulics Application: Directional spool valves, 4/2- and 4/3-way directional valves pilot operated 4WEH, externally pilot operated 4WH

Key features:

• Sizes 10 to 32
• Valves used to control the start, stop and direction of a fluid flow
• Electro-hydraulic operation (WEH, hydraulic operation (WH)
• For subplate mounting,Porting pattern to DIN 24 340 form A, ISO 4401 and CETOP-RP 121 H; NFPA T3.5.1 MR1 and ANSI B93.7 D05, D07, D08, or D10
• Subplates to catalog sheets RE 45 054 to RE 45 060 separate order), see pages 18 to 22
• Spring or pressure centered, spring or hydraulic offset
• Wet pin DC or AC solenoids, optional
• Hand override, optional
• Electrical connections as an individual or central connection (see RA 23 178)
• Switching time adjustment, optional
• Back pressure valve in the P-channel of the main valve, optional

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