Electro-Proportional Valves — Flow Control HyPerformance™

HPV16-31 — Spool-Type, 3-Port, Normally Open, Control Valve
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HPV16-31 Valve
U.S. Patent 8,253,063

HPV16-31 Valve symbol


A high pressure, solenoid-operated, pressure-compensated, spool-type, normally open, priority type
proportional flow control valve. It can be used as a priority-type flow regulator with pressure-compensated,
regulated and bypass flow. It can also be used as a restrictive-type 2-way, pressure-compensated flow
regulator when the bypass line (port 2) is blocked.

With inlet flow at port 1, the HPV16-31 will regulate priority flow out of port 3 regardless of system working
pressure, with flow rate inversely proportional to the current applied to the solenoid. Excess flow will
bypass out of port 2. The bypass flow can be used for auxiliary function control.
Note: Avoid dead-heading of priority line by external valving to prevent blocking of bypass line. In
resstrictive mode applications, bypass port 2 has to be blocked. Flow rate out of port 3 remains inversely
proportional to current applied to the solenoid regardless of load (pressure) applied to port 3.

• Excellent linearity and hysteresis.
• Hardened spool and cage for long life.
• Compensated flow control.
• Efficient wet-armature construction.
• Patented high-strength solenoid tube.
• 2 or 3-ported operation.
• Uses more compact 10-size coil.
• Coil waterproofing standard.
• All HyPerformance™ products are tested to 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% life cycle 420 bar (6090 psi)
   Note: All HyPerformance™ products are tested for 900K cycles at 350 bar and 100K
   cycles at 420 bar.
Proof Pressure: 690 bar (10,000 psi)
Burst Pressure: 1241 bar (18,000 psi)
Flow: 114 lpm (30 gpm) nominal input; 151 lpm (40 gpm) maximum input; priority type
   81 lpm (21.5 gpm) maximum; restrictive type 81 lpm (21.5 gpm) maximum.
Internal Leakage: 380 ml/min. (0.10 gpm) at port 3 at 1200 mA current with 350 bar (5075 psi)
   at port 1 (port 2 blocked)
Electrical Parameters (with size 10 E-Series coil):
Coil Voltage
Coil Inductance
Threshold Current
Max. Control Current
 12 VDC
24 VDC
Temperature: -54° to 107°C (-65° to 225°F) with PPDI Urethane seals
Hysteresis: ± 2.8 lpm (0.75 gpm) maximum
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: HVC16-3; See page 9.116.1_3w
Cavity Tool: HCT10-3X-XX; See page 8.600.1
Seal Kit: HSK16-3U-0; See page 8.650.1
Coil Nut: Part No. 7004420

The EVDR Series controllers are recommended for use with most HydraForce proportional
valves. These newer electronic controllers are versatile, reliable, and easily configured and
customized for a wide range of applications. See the EVDR Product Selection Guide.
For other Electronic Controllers, see page 2.001.1_pdf




HPV16-31 Valve Performance Charts



HPV16-31 Performance chart



HPV16-31 Valve Dimensions

Cartridge: Weight (without coil and nut):
0.49 kg (1.09 lb); Steel with hardened work surfaces. PPDI urethane seals without back-up rings standard.

Ported Body: Weight: 6.57 kg (14.5 lb); H-Series ductile iron standard. Rated to 345 bar (5000 psi).
See page 8.016.1_3w.

E-Coil: Weight: 0.41 kg (0.9 lb); Perfect wound, fully encapsulated with rugged external metal shell; Rated up to IP69K with integral connectors.
See page 3.400.1_10-size.



HPV16-31 Ordering 10-size E-Coil