Industrial Hydraulics

Bosch Rexroth AG Industrial Hydraulics 37
On/off valves
Check valves of sandwich pate design
< Sizes 6 and 10
< Porting pattern to DIN 24340 form A and ISO 4401
< 8 check functions
< 3 different opening pressures
< Optionally with
– Metal seal: Type Z1S…-3X/V (v hydraulic fluid > 4 m/s)
– Soft seal: Type Z1S…1-2X/VW4 (v hydraulic fluid < 4 m/s)
Type Z1S
Size 6 10
Operating pressure pmax bar 315 315
Opening pressure bar 0.5; 3; 5 0.5; 3; 5
Flow qV max L/min 40 100
Pilot operated check valves of sandwich plate design
< Sizes 6 to 22
< Porting pattern to DIN 24340 form A and ISO 4401
< For the leak-free isolation of one or two actuator ports, even over longer times at rest
< At least 3 different opening pressures
Type Z2S
Size 6 10 16 22
Series 6X 3X 5X 5X
Operating pressure pmax bar 315 315 315 315
Opening pressure bar 1.5; 3; 7 1.5: 3; 6; 10 3; 5; 7.5; 10 3; 5; 7.5; 10
Flow qV max L/min 60 120 300 450
Pilot operated check valves of sandwich plate desgn
(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
Type Z2SRK
Size 6 10
Operating pressure pmax bar 210 210
Opening pressure bar 1.5 1.5
Flow qV max L/min 40 80
Detailed information:
– Size 6: RE 21533
– Size 10: RE 21536
Detailed information:
– Size 6: RE 21548
– Size 10: RE 21553
– Size 16: RE 21558
– Size 22: RE 21564
Detailed information:
– Size 6: RE 21543
– Size 10: RE 21549