Direct Acting Differential Area Relief Valves

Parker Hannifin's RD and RDH line of differential area relief valves provide excellent pressure control in applications where a fast acting, low leakage relief valve is necessary. Parker's family of differential relief valves are available in three sizes (size -08, -10, and -16) with flow capability of up to 40 gpm. The size -16 family is limited to 3500 psi while the rest of the family is capable of 5500 psi. Unlike the direct acting family of relief valves, Parker's differential area relief valves are designed to have the pressure controlled at port 2 of the cavity. This ensures low leakage across the valve, essential in some holding applications. Designed using industry common cavities, the RD and RDH line of reliefs can easily be used in various system applications with ease.

Industries where commonly found:
• Turf
• Agriculture
• Aerial
• Construction
• Mining
• Industrial
• Truck