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Bosch Standard Valves Hydraulic Check / Non-Return Valves

Bosch Standard Valves Hydraulic Check / Non-Return Valves

A Range of Valves Sizes for your Hydraulics Applications

Applicable to circuits where fluid flow must move in one direction, Bosch Rexroth in-line, subplate mounted, and cavity type hydraulic check valves in either direct or pilot operated configurations provide line contact seating arrangements to prevent fluid leakage in the undesired direction.

Guided poppets in line contact with hardened seats provide a dependable, mechanical “check” function. Plus Rexroth provides a wide range of valve sizes, from a fraction of an inch to several inches in nominal diameter, to give plant operators and OEMS all the options you need to satisfy a broad spectrum of hydraulics application requirements.

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Bosch Standard Valves Hydraulic Check / Non-Return Valves Model M-SR Check Control Valve
Hydraulics Application: Plug-in check valve Key features: Sizes 6 to 30 Leak-free isolation in one direction Plug screw with pipe thread or metric ISO thread For block installation: Plug-in right-angled valve (“KE”) Plug-in straight valve (“KD”) Various opening pressures Special media (e.g. emulsion, water) on inquiry RE 20 380 M-SR Check Control Valve Data Sheet 

Bosch Standard Valves Hydraulic Check / Non-Return Valves Model S Check valves
Key features: Sizes 6 to 30 Leak-free isolation in one direction For threaded connection Various opening pressures Optional surface coating Special media (e.g. emulsion, water) on inquiry RE 20 375 S Check valves Data Sheet 

Bosch Standard Valves Hydraulic Check / Non-Return Valves Model SV and SL Check Control Valve
Hydraulics Application: Hydraulically pilot operated check valves Key features: Sizes 10 to 32 With optional leak connection (sizes 6 to 10 only) With optional pre-decompression (sizes 10 to 32 only) For subplate mounting (“P”): Size 6: Porting pattern to DIN 24340 form A and ISO 4401, Subplates to RE 45052 Sizes 10 to 32: Porting pattern to DIN 24340 form D and ISO 5781, Subplates to RE 45062 For threaded connection (“G”) (sizes 10 to 32 only) Connection flange to RE 45501 Various opening pressures RA 21 468 SV and SL Check Control Valve Data Sheet 

Bosch Standard Valves Hydraulic Check / Non-Return Valves Model Z1S Check Control Valves
Hydraulics Application: Check valves of sandwich plate design Key features: Sizes 6 and 10 Porting pattern to DIN 24340 form A and ISO 4401 Various isolating functions Various opening pressures Size 6 (component series 4X): Check valve made of carbon fiber reinforced plastic Tightness improved as compared with previous version with metal seal Excellent compatibility with various hydraulic fluids Size 10 (component series 3X): optionally with Metal seal (“–”) Soft seal (“W4”) (please note restrictions with regard to flow volume!) RE 21 534 (Size 6) RE 21 537 (Size 10) Check valve, Z1S (Size 6) Check valve, Z1S (Size 10) 

Bosch Standard Valves Hydraulic Check / Non-Return Valves Model Z2S Check Control Valve
Hydraulics Application: Pilot operated check valves in sandwich plate design Key features: Sizes 6 to 32 Porting pattern to DIN 24340 form A and ISO 4401 For the leak-free isolation of one or two actuator ports RE 21 548 (Size 6) RE 21 553 (Size 10) RE 21 558 (Size 16) RE 21 564 (Size 22) RE 21 566 (Size 32) Z2S (Size 6, 16 GPM) Z2S 10 (Size 10, 120 GPM) Z2S 16 (Size 16, 80 GPM) Z2S 25 (Size 25, 118 GPM) Z2S 32 (Size 32, 238 GPM)

Bosch Standard Valves Hydraulic Check / Non-Return Valves Model Z2SRK Check Control Valve
Hydraulics Application: Pilot operated check valves in sandwich plate design (210 bar version) Sizes 6 and 10 Porting pattern to DIN 24340 form A and ISO 4401 For the leak-free isolation of two actuator ports RE 21 543 (Size 6) RE 21 549 (Size 10) Z2SRK 6 (Size 6, 10.5 GPM) Z2SRK 10 (Size 10, 21 GPM) 

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