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Directional Valves — HyPerformance
HPD16-S51 — Piloted, 3-Way, Spool Valve, Vented Spring
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A screw-in, cartridge-style, pilot-operated, spool-type, high pressure hydraulic directional valve for three-way circuits requiring remote pilot actuation.
In neutral (unpiloted), the HPD16-S51 allows flow between ports 2, 3 and 4. On remote pilot signal at 1, the valve’s spool shifts to block all ports. The spring chamber is vented to the tank through port 5. The vented spring chamber allows the valve to be fully pressurized at ports 1, 2, 3, and 4 without affecting required pilot pressure. Pressure at port 5 will increase the required pilot pressure at a 1:1 ratio.
• Hardened spool and cage for long life.
• All HyPerformance™ products are tested to the rigorous standards of the NFPA specification
T2.6.1 and 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
Proof Pressure: 690 bar (10000 psi)
Burst Pressure: 1380 bar (20000 psi)
Flow: Up to 151 lpm (40 gpm) with PPDI urethane seals and no flow restriction;
up to 151 lpm (40 gpm) with seales spool between ports 1 and 2 and restricted flow
between ports 2 and 3 and 3 and 4 up to 95 lpm (25 gpm) maximum
Maximum Internal Leakage: 350 bar (5075 psi) at 32 cSt. Ports 3 to 4: 492 ml/min (30 cu.in./min);
Ports 3 to 2: 655 ml/min (40 cu.in./min); Pilot Pressure: 350 bar (5075 psi)
Operating Temperature: -54° to 107°C (-65° to 275°F) with PPDI 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-S5; See page 9.116.1_5w
Cavity Tool: HCT16-S5xx; See page 8.600.1
Seal Kit: HSK16-S5U-OOOO (Urethane); See page 8.650.1
Cartridge: Weight: 0.80 kg.
(1.75 lbs.); Steel with hardened work surfaces. Zinc-plated exposed surfaces; PPDI Urethane seals without backup rings standard.
Ported Body: Weight: 8.09 kg
(17.79 lbs) H-series ductile iron standard. Rated to 345 bar
(5000 psi). See page 8.016_5w.
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