Mosser Valve

Mosser, a division of Olson Technologies, Inc., was founded in 1862 in Allentown, Pennsylvania. Producing high-quality equipment for various American industries, Mosser steadily gained a reputation of technical expertise. By expanding its manufacturing facilities in Allentown, Mosser has entered the world market in a big way. From Canadian Wind Tunnels to U.S. Navy ships to wastewater treatment plants in China and Korea, Mosser designs and builds all types of valves to fit virtually any application. Mosser's ultra-large diameter butterfly valves have been in continuous service in over 1,000 specific locations throughout the world in water and wastewater treatment facilities, and nuclear and fossil fuel power plants. Today, more than 138 years after its beginning, Mosser is recognized as  one of the world's leading producers of large diameter butterfly valves.



AW/CW - 2"-72"-72" Metal Seated Industrial Butterfly Valves

AT's -      1"-4" 1"-4" Threaded-End Butterfly Valves

GT's -     1"-1"-24" Metal Seated Slide Gate Valves 

RW/RL - 2"2"-72" Resilient Seated Industrial Butterfly Valves (Call)


810's - 4"-24" AWWA  C-504 Butterfly Valves (Call)

830's - 24"-144" AWWA C-504 Butterfly Valves



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