In-Line Relief Valves
· Standard Direct Acting..................................40201 series
· Direct Acting w/free reverse flow.....................49000 series
· Differential Area w/free reverse flow.................49040 series
· Dual Crossover.............................................42000 series
· Thermal Relief..............................................49070 series

Cartridge Relief Valves
· Standard Direct Acting.................................4500 series
· Differential Area...........................................4600 series
· Differential Area w/free reverse flow................4700 series

Function 
Limits maximum system pressures or maintains desired pressure within a circuit.

Features
· Internally adjustable 
· Fast responding
· Low hysteresis
· Hardened internals
· Low leakage
· Broad range of pressure settings

Technical Specifications
In-Line Options..................NPTF, SAE, JIC, ORS, BSP 1/8” through 3/4”
Cartridges Sizes................# 8, #10 and #12 SAE Industry common cavity
Operating Pressure............Up to 10,000 psi
Flow Rate.........................Up to 40 gpm
Material ...........................Steel, aluminum or stainless steel