Description
Product details
Stainless Steel Wafer Disc Check Valve (also known as a spring-loaded non-slam check valve or compact non-return valve).⚙️ Design & ComponentsThe Outer Body / Lugged Ring: Features a compact, space-saving wafer design with multi-sided alignment lugs. These allow the valve to be quickly centered and sandwiched directly between standard pipe flanges using continuous thread studs.The Center Disc (Poppet): The smooth circular plate positioned in the middle. Forward fluid pressure forces the disc backward into the body to open the line.The Star Guide & Spring (Internal): The central 4-pronged structural guide frame houses an internal compression spring. The instant forward flow pressure drops, the spring slams the disc shut against the seat, completely blocking reverse backflow.💡 Core Advantages over Swing Check ValvesUltra-Compact Layout: It takes up a fraction of the pipeline space and weight compared to a bulky, traditional bolted-bonnet swing check valve.Omnidirectional Installation: Because it relies on internal spring tension rather than gravity, it can be mounted in any orientation—including vertical pipelines with downward fluid flow where a gravity-dependent swing valve would fail to operate.Non-Slam Closure: The spring assists in closing the valve before fluid flow completely reverses direction. This eliminates severe acoustic shock waves and protects piping from water hammer damage.🔧 Primary Industrial ApplicationsBecause it features an all-metal investment cast stainless steel body (typically SS 304 / CF8 or SS 316 / CF8M), it is ideal for high-purity, high-temperature, or high-pressure environments:Steam and Condensate Circuits: Trapping back-pressure lines behind boiler feed loops.Chemical & Pharma Process Lines: Handling aggressive process chemicals, solvents, and purified water.Pumping Stations: Preventing fluid slam directly downstream of vertical submersible or booster pumps What is the nominal size of the pipeline (e.g., 1/2“, 1”, or 2") you are installing this between?What operating fluid, gas, or steam temperature will pass through the system?Do your specifications mandate a metal-to-metal seat for high heat, or a soft Teflon/Viton seat for bubble-tight gas isolation




