Parker Pressure Control Valve: 10 gpm, 200 psi Max Set, Brass
SKU 3G-OTH-173131
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Frequently Asked Questions
What is the Parker 637B-4-1/2-2 pressure control valve used for?
The Parker 637B-4-1/2-2 is a soft-seat pressure control valve used in hydraulic and pneumatic systems to regulate downstream pressure. It is commonly applied in industrial fluid power circuits, lubrication systems, and process control where precise pressure limiting or reducing is required.
What are the specifications of the Parker 637B-4-1/2-2?
The Parker 637B-4-1/2-2 is a brass pressure control valve with a maximum set pressure of 200 psi and a flow capacity of 10 gpm. It features 1/2 in NPT ports and a soft-seat design for leak-tight shutoff. The manufacturer part number is 637B-4-1/2-2.
Where to buy the Parker 637B-4-1/2-2 worldwide?
You can source the Parker 637B-4-1/2-2 pressure control valve through 3G Electric, a global industrial equipment distributor. We handle full logistics, customs clearance, and delivery to worldwide destinations. Contact us for availability and lead time on this Parker valve.
How to install the Parker 637B-4-1/2-2 pressure control valve?
Install the Parker 637B-4-1/2-2 by connecting the 1/2 in NPT ports to the system piping using appropriate thread sealant. Ensure the valve is oriented per the flow direction arrow. Adjust the set pressure by turning the adjustment screw while monitoring downstream pressure with a gauge. Always follow standard hydraulic safety practices.
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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.
