LRV-54N7-1W000000A

Model "31-B" Low Back Press Relief Gas Reg. Graphite/Nbr Gasket; 3/4" Body Size,No.6 (0.375") Orifice; Cf3m Body & Lower Case,Wcb Spring Chamber,Arrangement/Position 1,;Standard Construction Includes Internal Sensing Unless Option - "Es";Is Specified; S40n Trim: 316lSST Internals,Buna-N (Nbr) Seat & Diaphragm With;Reinforcing Core,Glass Filled Nylon Load Ring,No Oxygen Service; Npt Screwed; 11.0-16.0" Wc Range Spring