Directional Valves — HyPerformance

HPCV12 — Check, Pilot-to-Open
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HPCV16 Valve
SYMBOL:
HPCV16 Valve symbol
DESCRIPTION
An in-line housed, pilot-operated, hydraulic check valve for use in high pressure blocking or
load-holding circuits.

OPERATION
The HPCV12 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 pressure held
at A is required at X to open the valve.
The check is spring-biased at a variety of values to assure holding in static or no-load conditions.
A sealed pilot piston option is available.

FEATURES
• Hardened seat for long life and low leakage.
• 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%.

RATINGS
Operating Pressure: 350 bar (5075 psi); 10% cycle life: 420 bar (6090 psi)
   Note: All HyPerformance products are tested for 900K cycles at 350 bar and 100K
   at 420 bar.
Proof Pressure: 689 bar (10000 psi)
Burst Pressure: 379 bar (20000 psi)
Flow: up to 114 lpm (30 gpm)
Maximum Internal Leakage at 350 bar (5075 psi):
  
A to B: 0.25 ml/minute (5 drops/minute) max. at 350 bar (5075 psi);
   X to B: 500 ml/minute max. at 34.5 bar (500 psi); 7.6 lpm (2.0 gpm) at 350 bar (5075 psi)
Pilot Ratio: 2.3:1
Cycle Life: One million cycles
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: HVC12-PCV; See page 9.112_PCV
Seal Kit (for HCV12-20): HSK12-2x-T; See page 8.650.1
   Piston Seals:
   O-Ring (1): Urethane 6005115
   Back-ups (2): Urethane 6010115

 


PERFORMANCE:

PD10-35 Valve Performance Chart

 

DIMENSIONS:

PD10-35 Valve Dimensions

 

MATERIALS:

Assembly: Weight: 4.66 kg (10.26 lb)

Cartridge: (HCV12-20) Weight: 0.18 kg (0.40 lb) Steel with hardened work surfaces. Zinc-plated exposed surfaces. Urethane seals standard.

Pilot Piston: Hardened steel.

Ported Body: H-series ductile iron standard. Rated to 345 bar (5000 psi).
See page 8.012.1_3w.

 

ORDERING CHART:

PD10-35 Ordering Chart