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Directional Valves — HyPerformance
HEP42-S35 — Piloted Spool-Type
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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 HEP42-S35 is a spring-biased blocking valve which will shift to allow full flow from 1 to 2
only when pressure at 1 exceeds the cumulative pressure of 3, plus the bias spring pressure valve.
HEP42-S35 is a pilot-to-close directional valve.
With no pressure at 3, flow will be allowed from 1 to 2 once the bias spring force is overcome with
pressure at 1.
• Multiple function/application potential.
• 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 (6090 psi)
Burst Pressure: 1380 bar (20000 psi)
Flow: 379 lpm (100 gpm)
Internal Leakage: 164 ml/minute (10 cu. in/minute) max. at 350 bar (5075 psi)
Operating Temperature: -40° to 100°C (-40° to 212°F) with Buna N seals
-26° to 204°C (-15° to 400°F) with Fluorocarbon seals
-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_3w
Cavity Tool: HCT42-S3xx; See page 8.600.1
Seal Kit: SK42-S3x-x; See page 8.650.1
|PERFORMANCE & DIMENSIONS:
Cartridge: Weight: 1.04 kg. (2.30 lbs.);
Steel with hardened work surfaces.
Zinc-plated exposed surfaces; PPDI Urethane seals and no backup rings standard.
Ported Body: Weight: 9.03 kg.
(19.9 lbs.); H-series ductile iron standard. Rated to 345 bar (5000 psi).
See page 8.042.1_3w
|Selection guide - similar valves.
||PDF file of this page.||Request a quote.|