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Third generation high purity check valve
In 2015, DONJOY carried out a comprehensive technical update of the check valve. After the upgrade, the check valve has a smaller dead angle, smaller flow resistance, and the valve core is sealed with full PTFE. Satisfied with automatic welding, the technology meets ASME BPE, 3-A-6800, EHEDG high clean technical requirements.
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- Check valve is designed to prevent fluid from flowing back and ensure the flow to one way direction.
- It can be used to reduce the loss of fluid back suction,avoid pipe is shock by liquid
- It is used in the food-processing, beverages, winery, oil, cosmetics,pharmaceuticals and chemicals industries.
- When the pressure of the fluid is greater than the suction pressure of the spring, the valve opens. When the two pressures are equal, the valve closes. A more powerful differential pressure can also close the valve.
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- Size : DN-25/1โณ to DN-100/4โณ
- External structure and shaft : AISI 316L/304
- Spring : AISI 304
- Washer: EPDM according to FDA 117.2600
- Surface treatment : Ra โค0.8 ฮผm
- The gasket has NBR, FPM (fluoro rubber) or PTFE, FDA117.2600 (optional)
- welding, thread, clamp, DIN, SMS RJT, IDF, ISO, 3A
- Nominal pressure: 10 bar
- Opening pressure: 0.3bar (DN-25) 0.2bar (DN-32/40) 0.1bar (DN-50/100) (can choose higher opening pressure)
- Working temperature: -10 ยฐ C to +130 ยฐ C (EPDM)
Third generation high purity check valve
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