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Air-controlled, pilot-operated, balanced piston relief valve
Cavity: T-18A | Capacity:
Technical specifications
Air-controlled, pilot-operated, balanced piston relief cartridges use compressed air over a diaphragm instead of an adjustable spring to control pressure setting. The air signal is supplied through a port in the hex-end of the cartridge. They are normally closed pressure regulating valves. When the pressure at the inlet (port 1) reaches the valve setting, the valve starts to open to tank (port 2), throttling flow to regulate the pressure. These valves are accurate, have low pressure rise vs. flow, they are smooth and quiet, and are moderately fast.
- All 2-port relief cartridges (except pilot reliefs) are physically and functionally interchangeable (same flow path, same cavity for a given frame size).
- Will accept maximum pressure at port 2; suitable for use in cross port relief circuits.
- Maximum air pressure should not exceed 150 psi (10 bar).
- Incorporates the Sun floating style construction to minimize the possibility of internal parts binding due to excessive installation torque and/or cavity/cartridge machining variations.
- Cavity
- Series
- Capacity200 gpm
- Maximum Operating Pressure2000 psi
- Pilot Ratio20:1
- Maximum Air Pressure150 psi
- Maximum Valve Leakage at 110 SUS (24 cSt)5 in³/min.@1000 psi
- Response Time - Typical10 ms
- Valve Hex Size1 5/8 in.
- Valve Installation Torque350 - 375 lbf ft
- Model Weight2.50 lb
- Seal kit - Cartridge
- Seal kit - Cartridge
- Seal kit - Cartridge
Model CAD Files
Symbol CAD Files
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