Parker Pressure Relief Valve: Steel, Screw-In, Screw Adjustment, Two-Way
The PARKER Pressure Relief Valve (MPN RDH042S30) is a steel, screw-in, two-way pressure control cartridge valve with a screw adjustment mechanism. It features a C04-2 valve cavity size and a 0.5625-inch dimension…
SKU 3G-OTH-161283
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Product Description
The PARKER Pressure Relief Valve (MPN RDH042S30) is a steel, screw-in, two-way pressure control cartridge valve with a screw adjustment mechanism. It features a C04-2 valve cavity size and a 0.5625-inch dimension, constructed from steel with a polyurethane seal. This valve is designed for industrial hydraulic systems requiring pressure relief functionality.
Frequently Asked Questions
What is the PARKER RDH042S30 pressure relief valve used for?
The PARKER RDH042S30 is a steel, screw-in, two-way pressure control cartridge valve used in industrial hydraulic systems to limit system pressure. It protects components from overpressure by diverting flow when a preset pressure is exceeded, ensuring safe and reliable operation in machinery and equipment.
What are the specifications of the PARKER RDH042S30 valve?
The PARKER RDH042S30 is a screw-in, screw-adjustment, two-way pressure relief valve with a C04-2 cavity size. It is constructed from steel with a polyurethane seal and has a 0.5625-inch dimension. The manufacturer part number is RDH042S30, and the base model is RDH042.
Where to buy the PARKER RDH042S30 pressure relief valve worldwide?
3G Electric supplies the PARKER RDH042S30 pressure relief valve worldwide. As a global industrial solutions provider, we handle full logistics, customs clearance, and delivery to your location. Contact us for pricing and lead time on this steel, screw-in cartridge valve for hydraulic systems.
How to install the PARKER RDH042S30 cartridge valve?
Install the PARKER RDH042S30 by screwing it into a C04-2 cavity with the appropriate torque. Ensure the O-ring seal is lubricated and the cavity is clean. Adjust the screw mechanism to set the desired relief pressure. Always follow standard hydraulic system best practices for safe installation.
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Common applications for ParkerParker Products
3G Electric supplies Parker pressure control cartridge valves. We supply genuine products with in-stock availability on common SKUs, technical documentation, commissioning support, and warranty service — worldwide.















