SAFETY RELIEF VALVES SERIES 1100 Mode) Descriptions Model 1100-A: Bronze tnm. wtth pressure light cap Suitable for maximum bac* pressure o( 60 psigv Variation Tft" (or fieW adjustabitrty, Model 1100-B: Bronze tnm UL and FM approved for fire pump installations. Spcial design offers minimum set pressure of 60 pskji. Easily adjustable with handwheel to 200 psig (175 psig with optional 125» inlet flange) Model 1100-C:8ronz« tnm, with pressure-tight cap. UL and FM approved for fire pump installations. Suitable for maximum back pressure of 60 psigi Supplied with handwheel Applications * Fire Pump Service, UL1478 listed and FM approved (models B. C) * Overpressure relief and protection of pumps, tanks, hnes and hydraulrt; Systems. * Pressure rgulation. Features 驕 Bolted bonnet permits easy inspection and servicing wrthout removal from System. Quahty cast iron body and bonnet, insert and dise are available m either bronze or Stainiess Steel (SS) and lapped for optimum performance - Springs are steel with pJating for corrosion protection Օ High lift, wmg-guided dise offers high reheving capaoty. Pivot between dise and spring corrects misahgnment and compenstes for spring side thrust Each Vartorc valve is tested and inspected for pressure setting and leakage. Pressure and Temp╩rature Limits 1 Model 1100-A: 5 to 400 psig; *20* to 406°F Models 1100-B.1100-C: 50 to 200 psig; *20* to 406°F Fumished standard wrth ANSI rated B16 1 - 250* inlet flange and ANSI rated 816 1 -1250 outlet flange l bac* pressure increase* wl pressure on4 one to one basts and reduces capacrty Back pressure m excess of 10% of set pressure is nd rteommended Options * SS tnm. (insert and dise) (variation 02) * Female x Female NPT connections. (1irY'to4M sizes) * Inlet and outtet flanges per ANSI B16.1 - 125#, Limited to 175 psig maximum set pressure - Epoxy-coated internai body and bonnet Temprature limit 125*F I52"C], Note for other pressure ar>d temprature timrts consuK ANSI 616 cast Iron flange standards