Alberta Location

6556 – 28 Avenue NW
Edmonton, Alberta
T6L 6N3

(780) 232-9553

Ontario Location

8171 Yonge Street
Thornhill, Ontario
L3T 2C6


Duo-Chek Dual Door Check Valves


Duo-Chek High Performance Non-Slam Check Valves are the original Mission check valves introduced to the market in the late 1950’s. They are available in sizes 2″ to 72″. Pressure Class 125 to 2500, configurations in Wafer, Lug and Double Flange. Available in retainerless. Cast Iron, Carbon Steel, Stainless Steel as standard and all other High Alloy as option. Soft Seated and Metal Seated

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