Nominal diameter: 1.5" - 60" (DN40 - DN1500)
Pressure range: Class150 - 2500 ( PN16 - PN420)
Working temperature: -196℃ - +560℃
Body material: Carbon steel, Stainless steel, Alloy steel, Bronze
End Connection: RF, RTJ, BW
BW end Dimension：ASME B16.25
End Flange Dimension：ASME B16.5
Design and Manufacture： ASME B16.34, API 6D
Inspection and Test：API598, API600 or API 6D
Face to Face and End to End：ASME B16.10
Pressure-temperature ratings：ASME B16.34
1. Long life span, high reliability.
2. Easy flow, little flow resistance.
3. Compact structure, beautiful design.
4. Quick in closing, small in water hamper.
5. Quick reaction, good seal performance.
Equipped with a professional factory, Naibang Valve is a professional manufacturer and supplier of bw end double disc check valve in China. If you want to buy quality product of various beautiful bags, you can get it at a cheap price from us.