Prince Manufacturing Corp. Datasheets for Pressure Relief Valves

Pressure relief valves are self-actuated safety valves designed to relieve excess pressure upstream from the line.
Pressure Relief Valves: Learn more

Product Name Notes
FUNCTION The PRINCE valve model DRV is a differential poppet type double relief. This valve uses the same relief cartridge as the model RV. The double relief is used in...
FUNCTION The PRINCE valve model RD-1800 is a direct acting ball/spring type pressure relief. The valve is compact and simple in design. This type relief is fast opening and is...
FUNCTION The PRINCE valve model RV is a differential poppet type inline relief. The valve is made up of a relief cartridge and a cast iron valve body. The differential...
STANDARD FEATURES 1-10 Sections Per Valve Bank Load Checks On Each Section Hard Chrome Plated Spools Compact Construction Enhanced Metering Section Available in both the High and Low Sections Differential...
STANDARD FEATURES Economical monoblock construction of high tensile strength gray cast iron. Load check on each spool Hard Chrome Plated Spools No face seals on spools Adjustable cartridge relief Power...
STANDARD FEATURES Economical monoblock construction of high tensile strength gray cast iron. Load check on each spool Hard Chrome Plated Spools Optional 4 Position Float and Joystick Handle Differential poppet...
STANDARD FEATURES Economical monoblock construction of high tensile strength gray cast iron. Load check on each spool Hard Chrome Plated Spools Optional 4 Position Float on 1st spool Differential poppet...
STANDARD FEATURES Economical monoblock construction of high tensile strength gray cast iron. Load check Hard Chrome Plated Spool Optional 4 Position Float on 1st spool Adjustable ball spring relief (1000...
STANDARD FEATURES Economical monoblock construction of high tensile strength gray cast iron. Load check Hard Chrome Plated Spool Optional 4 Position Float Differential Poppet Style Relief, Adjustable from 1500 to...
STANDARD FEATURES Extended Length Notches for Very Fine Metering Machined Internal Lands for Precise Control and reduced Dead Band Low Standby Pressures Spool Design for reduced Flow Forces Low Spool...
STANDARD FEATURES Hydraulically balanced, hard chrome plated spool Handle can be installed in “up” or “down” position Detent release pressure adjustable from 1000 to 2000 PSI For use with system...