Boiler Supply Co, Company

M odel Descriptions Model 40R: 1/2-inch or 3/4-inch male NPT inlet with top discharge to give visible warning of system overpressure. Model 40RL: Same as Model 40R with plain lift lever. Note: For other valves suitable for sentinel (warning) service, see Model 1 and Models 264, 265...

Model Descriptions Model 30: Brass, Top Venting Pressure and Temperature Limits 60 to 4000 psig -20° to 300°F Applications Small to medium size, multi-stage, air compressors, intercoolers, aftercoolers, instrument/control air lines and systems Air tanks/receivers and pressurized...

Model 19: All bronze, equipped with handwheel for easy adjustment. Model 19M: Same as Model 19 except SS trim (seat and disc). (Available 2 1/2-inch and 3-inch only). For higher pressure settings or severe applications. Model 20: All bronze, with pressure-tight cap. Suitable for maximum back...

Model 1 - Top Outlet Model 2 - Side Outlet Pressure and Temperature Limits 5 to 250 psig -60° to 406°F Applications Air and non-hazardous gas service. Air/Gas Compressors - portable or stationary Pressure Vessels - including tanks, receivers, intercoolers, aftercoolers Steam...

Model Descriptions Model 71S: Cast iron body with SS seat and disc. Pressure-tight hood. Model 171: CS and SS seat and disc. Pressure-tight hood. Model 171P: Same as 171 with packed lift lever. Model 171S: All 316 SS construction including spring. Pressure-tight hood. Model 171S Variation...

Model Descriptions Model 91: Bronze trim, with pressure-tight cap. Suitable for maximum back pressure of 60 psig.Model 218: Bronze trim, UL and FM approved for fire pump installations. Special design offers minimum set pressure of 60 psig. Easily adjustable with handwheel to 200 psig (175...

• Optimized design for best heat transfer performance in steam, water and HTW exchanger type heaters • Wide variety of models to suit your specific need: • Single wall or double wall tube bundle • 150, 250, or 400 psig working pressure design • Copper, cupro-nickel 90/10, or stainless steel...

Model Descriptions Model 230: 1/4-inch Male NPT - 300/1500 psig. Model 330: 1/4-inch Male NPT - 1000/5500 psig. Aluminum housing, SS trim (seat and disc with synthetic insert). Sidewall discharge. Model 330S: Same as Model 330 except SS body suitable for 2000/6500 psig. Model 333S: Same as...

Model Descriptions Model 189: Bronze housing with SS trim (nozzle and disc) with Teflon seat/seal in disc. Plain lift lever. Model 189C: Same as Model 189 except pressure tight cap for gas service only. Suitable for maximum back pressure of 50 psig. Model 189P: Same as Model 189 except...

Ajax water boilers perform dependably and quietly, providing commercial, institutional, and industrial buildings with space heating, domestic and process hot water. Inclined tubes provide uniform heat transfer, resulting in high fuel economy and long boiler life. 2″ O.D. tubes (steel or copper) are...