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WALTER-FSV Company is a leading manufacturer of high-quality check valves, including Flap Check Valves, Butterfly Check Valves, Tilting Disc Check Valves, Cast Iron Butterfly Wafer Check Valves, and Metal Seated Butterfly Type Check Valves. These valves are an excellent choice for applications that require both reliability and cost-effectiveness.
Our valves are designed in accordance with international standards such as BS5155, DIN3202 F4, ISO5752, and AWWA C504, ensuring compatibility and performance across various industries. The flange drilling conforms to EN 1092-2, DIN2501, and BS4504, providing flexibility for different piping systems.
Key features of our check valves include:
- **Body/Bonnet**: Ductile Iron GGG40/50
- **Stem**: SS420/431
- **Bolts/Nuts**: SS304
- **Disc**: Ductile Iron
- **Coating**: Epoxy resin coating on both internal and external surfaces, with a thickness of over 250 microns
- **Connection Types**: Wafer, Flanged, or Lugged
- **Pressure Rating**: PN10/PN16
- **Size Range**: 1.5" to 32"
Each valve is equipped with a lever and counterweight system for smooth operation and reliable closing under varying flow conditions. Whether you need a simple wafer-style check valve or a more complex tilting disc design, we offer a wide range of options to suit your specific needs.
For more information or custom solutions, feel free to contact us via email. We look forward to serving you and helping you find the perfect valve for your application.