SYMBOL
DESCRIPTION
The E-PC08-30 is a screw-in, cartridge style, pilot operated, hydraulic check valve used for blocking or load holding circuits.
OPERATION
E-PC08-30 allows free flow from port 2 to 3, while normally blocking flow from port 3 to 2. Flow will be allowed from port 3 to 2 when pressure is applied at port 1. The pilot ratio of the check valve is 3:1, which means that the pressure at port 1 should be at least 1/3 of the load pressure at port 3 before the valve can be opened. Under static or no load conditions, the spring pressure ensures that the valve port is closed. Hydraulic piston with seal is available.
FEATURES:
l Hardened seat for long life and low leakage.
l Optional sealed piston.
l Optional spring ranges.
l Compact size.
SPECIFICATIONS:
Working Pressure: 240 bar (3500 psi)
Flow Rating: see performance chart.
Maximum Internal Leakage:
0.1 ml/min (2 drops/min) Between ports 3 and 2
115 ml/min (7 in³/min) Between ports 2 and 1
0 ml/min (0 drops/min) Between ports 2 and 1 with sealed piston
Pilot ratio: 3:1
Check Spring Bias: 1.72 bar (25 psi) standard; With sealed piston option: 6.2 bar (90 psi) minimum
Temperature Range: - 40°C ~ 120 °C (with Buna N seals)
Filtration: Best working fluid cleanliness ≥ NAS Class 9
Fluids: Mineral based or synthetic hydraulic fluid with lubricating properties at viscosities of 7
Cavity: VC08-3;
PERFORMANCE:
DIMENSIONS:
ORDER CODE:
AAK Hydraulic Valve is a top manufacturer for Hydraulic Cartridge Check Valves in Ningbo China since 2009.
We guarantee quality for 3 years for non-standard customized valves: No leakage, No Noise, No Vibration.
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