Sizes 12 to 32

Up to 350 bar , Up to 560 L/min

  • Installation in manifolds (cartridge valve)
  • With SAE flange ports
  • Sub-plate connection or block, porting pattern to DIN 24340 form D, ISO 5781 and CETOP-RP121 H
  • Check valve pilot operated (leakage-free)
  • The check-Q-meter controls the returning flow QV2 in relation to the flow Qv1 in the inlet port of actuator. For the application in cylinders system, the area ratio (QV2 = QV1 Φ) has to be taken into account
  • Bypass valve, free flow in opposite direction
  • Safety valve, optional (Only for valve with flange port and special plate valve type FD12 and FD16)
Operating pressure, ports A, X  bar  to 350
Operating pressure, port B  bar  to 420
Pilot pressure, port X (flow control range)  bar  min.20~60, max.350
Cracking pressure, A to B  bar 2
Setting pressure for secondary pressure relief valve  bar  to 400
Flow -rate  L/min  80(size 12),200(size 16),320(size 25),560(size 32)
Area ratio of the pre-opening  poppet seat area / area of pilot spool  =  1/ 20
Fluid  Mineral oil, phosphate ester
Fluid temperature range  ℃  -20 to +80
Viscosity range mm2/s  10 to 800
Degree of contamination  Maximum permissible degree of fluid contamination: Class 9. NAS 1638 or 20/18/15, ISO4406

FD…L2X Check-Q-Meter

/wp-content/download/Check-Q-meter type FD...L2X.pdf