ParkerSoft-Seat Pressure Control Valves

Parker Pressure Control Valve: 10 gpm, 35 psi Max Set, Brass

Parker Soft-Seat Pressure Control Valves.

SKU 3G-OTH-173127

Also listed as: 637B2122 · 637B 2 1 2 2 · 637B-2-1-2-2

Brand

Parker

Item

Pressure Control Valve: 10 gpm, 35 psi Max Set, Brass

Local availability & support

Delivery: Worldwide DHL shipping from Singapore; 7–14 business days door-to-door for most destinations.
Payment: Invoicing in USD. Bank transfer (SWIFT) and corporate PO accepted.

Technical Specifications

Parker

Manufacturer Part Number

637B-2-1/2-2 

Technical Documents

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Parker Products

3G Electric (S) Pte. Ltd. — Singapore

Product Description

Parker Soft-Seat Pressure Control Valves.

Frequently Asked Questions

What is a Parker 637B-2-1/2-2 pressure control valve used for?

The Parker 637B-2-1/2-2 is a soft-seat pressure control valve used to regulate downstream pressure in hydraulic and pneumatic systems. It is commonly applied in industrial fluid power circuits, water treatment, and process control where precise pressure limiting is required.

What are the specifications of the Parker 637B-2-1/2-2?

This Parker valve has a maximum set pressure of 35 psi, a flow capacity of 10 gpm, and a brass body with 1/2 in NPT ports. It is a soft-seat pressure control valve, part number 637B-2-1/2-2, designed for reliable pressure regulation in industrial systems.

Where to buy a Parker 637B-2-1/2-2 worldwide?

3G Electric supplies the Parker 637B-2-1/2-2 pressure control valve to customers worldwide. We handle full logistics, customs clearance, and delivery to your site. Contact us for a quote and lead time on this Parker valve.

How to install a Parker 637B-2-1/2-2 pressure control valve?

Install the Parker 637B-2-1/2-2 in-line with flow direction per the arrow on the body. Use thread sealant on the 1/2 in NPT connections and avoid overtightening. 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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