Parker Pressure Control Valve: 4 gpm, 360 psi Max Set, Brass
SKU 3G-OTH-173123
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Frequently Asked Questions
What is the Parker 637B-5-1/4-2 pressure control valve used for?
The Parker 637B-5-1/4-2 is a soft-seat pressure control valve used in hydraulic and pneumatic systems to regulate downstream pressure. It is commonly applied in industrial machinery, fluid power circuits, and process control where precise pressure limiting is required.
What are the specifications of the Parker 637B-5-1/4-2?
This Parker pressure control valve has a maximum flow of 4 gpm and a maximum pressure set point of 360 psi. It features a brass body with 1/4 in NPT ports and a soft-seat design for leak-tight shutoff. The manufacturer part number is 637B-5-1/4-2.
Where to buy the Parker 637B-5-1/4-2 worldwide?
3G Electric supplies the Parker 637B-5-1/4-2 pressure control valve worldwide. As a global industrial equipment distributor, we handle full logistics, customs clearance, and delivery to your location. Contact us for availability and lead time.
How to install the Parker 637B-5-1/4-2 pressure control valve?
Install the Parker 637B-5-1/4-2 by connecting the 1/4 in NPT ports to the system piping using compatible thread sealant. Ensure the valve is oriented per the flow direction arrow. Adjust the set pressure by turning the adjustment screw while monitoring a downstream gauge.
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Common applications for ParkerParker Products
3G Electric supplies Parker soft-seat pressure control valves. We supply genuine products with in-stock availability on common SKUs, technical documentation, commissioning support, and warranty service — worldwide.















