NORMALLY CLOSED, S/W NIPPLES W/150# FLANGED STAINLESS STEEL BODY, TRIM PKG 2; OXYGEN CLEANED, VITON O-RINGS/BUMPER, 24 VDC SOLENOID/ MOTOR, 6 SEC TIMING, VOS1HC/VCS1HC SWITCHES, NEMA 4 ENCL, FM; EAC AGENCY APPROVALS