Parker Pressure Control Valve: 4 gpm, 90 psi Max Set, Brass
SKU 3G-OTH-173120
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Frequently Asked Questions
What is the Parker 637B-3-1/4-2 pressure control valve used for?
The Parker 637B-3-1/4-2 is a soft-seat pressure control valve used in hydraulic and pneumatic systems to regulate downstream pressure. It is commonly applied in industrial fluid power circuits, water treatment, and general manufacturing where precise pressure limiting is required.
What are the specifications of the Parker 637B-3-1/4-2?
This Parker valve has a maximum flow of 4 gpm and a maximum pressure setting of 90 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-3-1/4-2.
Where to buy the Parker 637B-3-1/4-2 worldwide?
3G Electric supplies the Parker 637B-3-1/4-2 pressure control valve to customers worldwide. We handle full logistics, customs clearance, and delivery to your site. Contact us for availability and lead time on this Parker valve.
How to install the Parker 637B-3-1/4-2 pressure control valve?
Install the Parker valve with 1/4 in NPT fittings, ensuring thread sealant is applied. Orient the valve per flow direction arrow on the body. Adjust the set pressure by turning the adjustment screw while monitoring downstream pressure with a gauge. Always depressurize the system before servicing.
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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.
