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A high-pressure spool-type, screw-in, cartridge-style, hydraulic directional element, with multi-function potential when used with other directional, pressure, or flow control devices.
The HEV42-S34 is a spring-biased blocking valve which will shift to allow full flow from 1 to 2 only when 3 is vented to create a pressure drop across the internal orifice which exceeds the pressure value of the selected bias spring force.
HEV42-S34 is a vent-to-open directional element.
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Multiple function/application potential.• Smooth shift transition.• Low pressure drop.• 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)Note: All HyPerformance™ products are tested for 900K cycles at 350 bar and 100K at 420 bar.
Fatigue Rating: 2 million cycles at 420 bar
Burst Pressure: 1380 bar (20000 psi)
Flow: Up to 379 lpm (100 gpm)
Internal Leakage: 164 ml/minute (10 cu. in./minute) max. at 350 bar (5075 psi)
Operating Temperature: -54 to 107°C (-65 to 225°F) with 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: HVC42-S3; See page 9.142.1
Cavity Tool: HCT42-S3XX; See page 8.600.1
Seal Kit: SK42-S3X-X; See page 8.650.1
