HSP’s Cartridge Relief Valve Direct Acting Valves are designed and manufactured in house


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Product Description

This direct acting relief valve is designed to screw into a SAE cavity. Its function is to protect system components from inadvertent excess pressure during operation or from pressure caused by thermal expansion of oil in parts of the system which are locked hydraulically. A guided steel poppet valve is held closed by an adjustable spring but is unseated should pressure exceed the set level. Recommended applications are for intermittent duty where fast response and low leakage are required.

We are expanding the range and will have more sizes available soon.

Product Features

Working Pressure up to 350 Bar
Material Zinc plated steel body with hardened Steel components
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