DUO-CHEK
Duo-Chek® high performance check valves have long been the standard for low-pressure drop flow reversal protection, available in cast iron, cast steel, stainless steel and a variety of exotic materials. Typical applications include petroleum refining, oil and gas production, chemical and petrochemical, power generation, steel/primary metals, marine, water and wastewater, and pulp and paper.
The following products are offered for the nuclear power industry.
About Duo-Chek
Duo-Chek® valves have long been the standard for low-pressure drop flow reversal protection. These valves are made from cast iron, cast steel, stainless steel, and a broad variety of exotic materials. Duo-Chek offers retainerless designs to API 594 end-to-end dimensions in steel bodied wafer and lug style with a wide variety of trim materials including both metal and resilient seats. Valves come in sizes up to 88″ and pressure ratings up to class 4500.