1. length,only 1/4-1/8 of that of traditional flanged check valve;
2. Low volume, light weight,only 1/4-1/20 of those of traditional flanged check valve;
3. Quick valve disc closedown,low water hammer pressure;
4. Applicable for and easily installed for vertical or horizontal pipelines;
5. Smooth flow passageway and small fluid resistance;
6. Flexible action and good sealing performance.
Double Flange Dual Plate Swing Check Valve
End Connection: RF, RTJ, BW
Nominal diameter: 1.5" - 48" (DN40 - DN1200)
Pressure range: Class 150- 2500 (PN16 - PN420)
Working temperature: -196℃ - +560℃
Body material: Carbon steel, Stainless steel, Alloy steel, Bronze
1. Small volume and light weight;
2. Smooth fluid passageway and small fluid resistance;
3. Rapid closing and flexible actions of the valve clack;
4. Small closing impact, water hammer is not liable to be generated;
5. Compact and reasonable product structure, reliable tightness and good performance.
1. Inspection and test: API598, JB/T9092;
2. Design and manufacture: API594, API 6D, JB/TB8937;
3. Face to face and end to end: API594, API6D, DIN3202, JB/T8937;
4. Pressure-temperature rating: ASME B16.34, DIN2410, GB/T9124, HG20625, SH3406, JB/T74;
5. Pipe flange: JB/T9112-9124, HG20592-20635, SH3406, ASME B16.5, DIN2543~2548, GB/T13402, API605, ASME B16.47.