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An in-line-housed, pilot-operated, hydraulic check valve for use in high pressure blocking or load-holding circuits.
The HPCV16 allows flow from B to A, while normally blocking flow from A to B. Flow will be allowed from A to B when pressure is applied at X.
This valve has a 2.3:1 pilot ratio, meaning that at least 44 percent of the load pres-sure held at A is required at X to open the valve.
The check is spring-biased at 1.7 bar (25 psi) or 4.1 bar (60 psi) to assure holding in static or no-load conditions. A sealed pilot piston option is available.
• Hardened seat for long life and low leakage.
• Optional sealed pilot piston.• Optional spring ranges.
• Check section is serviceable as a cartridge.• All HyPerformance products are tested to the rigorous standards of the NFPA specification T2.6.1.• All HyPerformance valves are tested at a verification level of 90% and an assurance of 99%.
Operating Pressure: 350 bar (5075 psi); 10% cycle life: 420 bar (6090 psi)
Proof Pressure: 689 bar (10000 psi)
Burst Pressure: 379 bar (20000 psi)
Flow: 151 lpm (40 gpm)
Internal Leakage: A to B: 0.25 ml/minute (5 drops/minute) max. at 350 bar (5075 psi); B to X: 200 ml/minute (12.2 cu. in./minute) max. at 34.5 bar (500 psi); 1.5 lpm (0.4 gpm) at 350 bar (5075 psi)
Cycle Life: One million cycles
Pilot Ratio: 2.3:1
Temperature: -54 to 107°C (-65 to 225°F) with standard Urethane seals
Filtration: See page 9.010.1
Fluids: Mineral-based or synthetics with lubricating properties at viscosities of 7.4 to 420 cSt (50 to 2000 sus); See Temperature and Oil Viscosity, page 9.060.1
Installation: No restrictions; See page 9.020.1
Cavity: HVC16-PVC; See page 9.116.1
Seal Kit (for HCV16-20): HSK16-2X-T; See page 8.650.1
Piston Seals:
O-Ring (1) - Urethane 6005115
Back-Ups (2) - Urethane 6010115
