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61, 62 Series - Ball cone check valves in bronze (to 3") and 316 stainless steel (to 2"). Reinforced ball cone check provides excellent chemical and corrosion resistance and requires no radial alignment.

61-500/62-500 Series - Bronze check valves (61-500) with EPR or BUNA-N seat for bubble-tight shut off. Stainless steel check valves (62-500) with seat made of Viton®. *Optional 5 and 10 PSI cracking pressure through size 1".
(®Viton is a registered trademark of DuPont Dow Elastomers.)