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Parker Pressure Control Valve: 4 gpm, 550 psi Max Set, Brass - Soft-Seat Pressure Control Valves
ParkerSoft-Seat Pressure Control Valves

Parker Pressure Control Valve: 4 gpm, 550 psi Max Set, Brass

SKU 3G-OTH-173124

Brand
Parker
Item
Pressure Control Valve: 4 gpm, 550 psi Max Set, Brass
Category
Soft-Seat Pressure Control Valves
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Technical Specifications

Parker
Manufacturer Part Number
637B-6-1/4-2
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Parker Products
3G Electric (S) Pte. Ltd. — Singapore

Frequently Asked Questions

What is the Parker 637B-6-1/4-2 pressure control valve used for?

The Parker 637B-6-1/4-2 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-6-1/4-2?

This Parker valve has a maximum flow of 4 gpm and a maximum pressure set of 550 psi. It is constructed from brass with 1/4 in NPT ports. The soft-seat design provides reliable shutoff and reduced leakage in low-pressure applications.

Where to buy the Parker 637B-6-1/4-2 worldwide?

3G Electric supplies the Parker 637B-6-1/4-2 pressure control valve worldwide. As a global industrial 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-6-1/4-2 pressure control valve?

Install the Parker 637B-6-1/4-2 by threading it into a 1/4 in NPT port using appropriate sealant. Ensure the flow direction matches the arrow on the body. Adjust the set pressure by turning the adjustment screw while monitoring downstream pressure with a gauge.

Used in

Common applications for Parker
Injection molding machine proportional directional control — Parker solenoid coils and proportional valve cartridges for mold-closing and hydraulic actuation circuits
Construction equipment hydraulic steering and boom control — Parker directional control valves with solenoid actuation for excavator and loader hydraulic systems
Industrial press forming systems — Parker pressure-relief and proportional directional valves for tonnage control and cycle sequencing
Material-handling conveyor systems — Parker proportional control valves with solenoid pilot stages for smooth load acceleration and deceleration
Tire-building machinery — Parker solenoid-actuated directional cartridges for synchronized multi-axis hydraulic positioning
Forestry and mobile equipment — Parker valve spools and solenoid assemblies rated for harsh-environment hydraulic circuits and mobile-duty pressure cycling

Parker 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.

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