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Check Valves

Strataflo check valves are manufactured from a one piece cast brass body. Each check valve is designed to operate in any position, as a sensitive spring has been added to close the poppet automatically. The valves are available with two types of seals: rubber and metal. The conical rubber poppets are fully-formed around a solid steel insert, a more durable solution than O-rings. Various types of rubber are available, depending on the application. The stainless steel poppets are machined for a metal-to-metal seal, a rugged design for heavy, industrial applications. Each valve is 100% American-Made and built to last.

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300 Series, Noiseless Rubber Poppet
Applications
Buna-S, used for all purpose water, ethylene and glycol
Buna-N, used for gasoline, oil and diesel fuel
EPD, used for chemical and detergent
Viton, used for fuel, chemical and high temperature applications

•View 300 Series product information here.

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400 Series, Metal Poppet
Applications
Hot Water, Cold Water, Steam, Oil Gas, Compounds and Chemicals

•View 400 Series product information here.

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2300/2400 Series, Electroless Nickel Plated
Applications
Food and Beverage, Steam, Oil or Gas

•View 2300/2400 Series product information here.

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3300/3400 Series, Stainless Steel
Applications
Food and Beverage, Steam, Oil or Gas

•View 3300/3400 Series product information here.

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4300/4400 Series, Ductile Iron
Applications
Potable and non-potable water

•View 4300/4400 Series product information here.

350 Series, Tapped
Applications
Single or double tapped for attaching a pressure switch, pressure gauge, snifter valve, drain or blow line, or adding chemicals.

•350 Series, Tapped product information here.

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F-Series, Lead-Free
NSF logoApplications
Potable drinking water, or other applications where lead-free materials are required.

•View F-Series, Lead-Free product information here.