Anderson Greenwood Crosby Relief Valve Style .5x1 951210M A, Set Pres 97, 316 Stainless Steel. CAP 165 SCFM/AIR/60F. WBN-2-RFV-001-0400. 1/2" MNPT x 1" FNPT. 150 psi.s, N901073 31 0002. Pipe dope is from periodically testing by Lab for local utility company, this unit tested by lab for utility company on a periodic basis but never put into service.
