カートリッジ弁
  • 技術データ
  • 製品説明
  • 性能曲線
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Note: Data may vary by configuration. See CONFIGURATION section.

Cavity 12W-2
Rated Flow 52.83 gpm 200 L/min
Maximum Operating Pressure 5000 psi 350 bar
Valve Hex Size 1-1/4 in. 32 mm
Valve Installation Torque 40 - 49 lbf-ft 54 - 66 Nm
Adjustment Screw Internal Hex Size 5/32 in. 4 mm
Locknut Hex Size 14.27 mm 9/16 in.
Locknut Torque 6 - 7 lbf-ft 9 - 10 Nm
Response Time-Typical 10 ms
Maximum Leakage Approximately 50 cc/min at 1000 psi 50 cc/min at 70 bar
Weight 0.64 lbs (Z=L) 0.29 kg (Z=L)
This is a pilot-operated, balanced piston relief valve. It blocks flow from port 1 to port 2 until sufficient pressure is applied to port 1 to pilot-open the spool, opening a flow path from port 1 to port 2. The pressure at port 2 is directly additive to the valve pressure setting. It is suitable for continuous duty and accurate pressure control with constant or varying flows, but spool leakage should be taken into consideration.

  • Maximum pressure can be accepted at port 2, suitable for use in cross port relief circuits but spool leakage should be considered.
  • The maximum leakage is approximately 50 cc/min at 70 bar (1000 psi).
  • Pilot port is protected for contamination resistance by a stainless-steel filter screen.
  • Back pressure at port 2 (tank port) is added directly to the valve setting in a 1:1 ratio.
  • This valve is not proper to use in load holding applications due to spool leakage.
  • Working parts are heat-treated and high-precision ground to increase hardness for long life.
  • A variety of seal kit materials for different applications, see seals information under Technical Reference.
  • Winner's cartridges pressure rating tested to the standard of the NFPA specification T2.6.1 and the fatigue rating's assurance and verification level is "90/90".
  • WINNERcoat® Zinc-Nickel Plating is salt spray tested in accordance with DIN EN ISO 9227 for up to 1000 hours.
  • Winner guarantees that all products performance a 100% functional test before shipment.