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API 594 Dual Door Wafer Check Valves
Brand: Ranger Valve America LtdRANGER’s Dual Door Wafer Check Valves reduce or eliminate line shock when flow is reversed, and provide cost savings when compared to conventional swing-check valves.
Features- Sizes from NPS 2” to 48” (DN50 to DN1200)
- CLASS 150 to 2500 （PN20～PN420）
- Operating temperature -29℃ to 593℃ (the range of service temperature may vary for different materials)
- The sealing faces of the valve seat and valve clack are built-up welded with hard alloy to improve the erosion resistance and extend the service life of the valve.
- Short closing travel of valve clack, and small impact at valve closing; short structural length, most suitable for positions with limited mounting space
- Suitable for medium backflow prevention in pipeline or device
- Built-in pin roll, without external leakage point
- Due to the loading of the spring, the valve clack can move flexibly without jamming and has a good sealing performance.
Specifications
Brand
Design Standards
- API 6D
- API 594
- ASME B16.34
Face-to-Face
- API 6D
- API 594
End Connection
- ASME B16.5
- ASME B16.47
- GB/T 9113
Test Standards
- ISO 5208
- API 598
- GB/T 26480
- GB/T 13927
Size
- 2" to 48" (DN 50 to DN 1200)
- For Application in Fields such as the:
- Electric Power Industry
- Petroleum Refining
- Petrochemical Engineering
- Offshore Oil
- Tap Water Engineering in Urban Construction
- Chemical Engineering, and Others