Main - Heating Index - Conbraco Index - Plumbing Index - Safety & Relief Valves

10 Series - Brass and bronze ASME Section IV safety relief valves; 15 to 160 PSI range, relieves up to 24,352 lbs/hr; brass, satin, or polished chrome finish; for hot water boilers, unfired pressure vessels, and other heating systems. Sizes: 1/2" to 2". 12 Series - Bronze, low pressure, ASME Section IV safety relief valves; 5 to 15 PSI range; top guided; for medium to large steam boiler/heating systems. Capacity: 2500 to 4100 lbs/hr. Sizes: 2" to 3". 13 Series - Bronze, low pressure, ASME Section IV safety relief valves; for small to medium steam boiler/heating systems; top guided; positive drainage of condensate from seat area; capacity: 407 to 1900 lbs/hr; three design n configurations. Sizes: 3/4" to 1 1/2". 14-200 Series - Bronze, high-capacity, low pressure ASME Section IV safety valves; for commercial and industrial grade high capacity boilers; pressures range 5 to 15 PSI; ASME certified capacity from 3150 to 6843 lbs/hr. Sizes: 2" to 3". 14-290 Series - Bronze, one piece vacuum relief valve, vacuum range from 10 to 18 inches of mercury; capacity from 136 to 358 C.F.M. at 10% accumulation. Sizes: 2" to 3". 15 Series - Brass air relief valves, protect compressors, air receivers and gas lines; 40 to 250 PSI; Capacity: 43 to 535 C.F.M. Sizes: 1/4" to 1/2". 16 Series - Bronze pressure only relief valves for supply lines and cold water storage tanks; 50 to 160 PSI; 125 PSI standard set pressure; adjustable by-pass relief valve available. Sizes: 1/2" and 3/4". 16-601 Series - Thermal expansion valves protect plumbing fixtures and extend water heater life. Compact, lightweight design; no special tools required for installation. Bronze body with stainless steel puncher, spring & clamp. For standard size copper piping on residential water heaters. 17 Series - Bronze pressure only AGA design-certified relief valves with stainless steel spring; 75 to 160 PSI; meets HUD/FHA requirements; for tankless coils, storage tanks. Sizes: 1/2" and 3/4". 18 Series - Bronze water heater temperature and pressure relief valves with stainless steel spring; 125 and 150 PSI settings; temperature relief at 210°F; 15,000 to 100,000 Btu/hour. AGA, CGA temperature steam rating. Pipe sizes: 1/2" and 3/4" w/non-metallic coated element lengths of 1", 4", and 8". Also available in an extended body (2") casting for thickly insulated water heaters. 19 Series - Bronze high-capacity safety valves for steam, air and nonhazardous gas systems: 15 to 250 PSI steam (275 PSI Air); patented "soft" seat eliminates seat leakage. National Board capacity certified with ASME secti ons I and VIII. Inlet sizes: 1/2" to 2 1/2". 29 Series - Bronze steam, air and nonhazardous gas safety valves for power boilers and pressure vessels; 30 to 200 PSI. National Board capacity certified with ASME sections I and VIII. Inlet sizes: 3/8" to 3"; outlets: 1" to 3". 35 Series - Bronze feed water pressure regulators; individually set at 15 PSI; adjusts from 10 to 25 PSI; high capacity; screw in bonnet; in-line stainless steel strainer; 210° max. temperature; max. pressure: 100 PSI; 1/2" union threaded, threaded and solder connections. 37 Series - Brass or bronze vacuum relief valves; max. temperature: 250°; Max. water pressure: 200 PSI. AGA and CGA certified. Sizes: 1/2" and 3/4". Top Main Page Place an Order  E-Mail