The Forged Steel Lug Type Dual Plate Swing Check Valve is opened/closed by the valve disc moving in a direction parallel to the valve seat hole axis and can only be installed on horizontal pipelines with the major function of preventing medium backflow when shutting down the pump and maintaining the water column required by pumping.
Forged Lug Type Dual Plate Swing Check Valve
Opening and closing parts by the media flow and power to open or close on their own, in order to prevent the backflow of the media called the check valve. Check valves are automatic valves, mainly for the medium one-way flow of the pipeline, allowing the media to flow in one direction, to prevent accidents.
Main Parameter Specification
Inspection and test: API598, JB/T9092;
Design and manufacture: API594, API 6D, JB/TB8937;
Face to face and end to end: API594, API6D, DIN3202, JB/T8937;
Pressure-temperature rating: ASME B16.34, DIN2410, GB/T9124, HG20625, SH3406, JB/T74.
End Connection: RTJ, BW
Nominal diameter: 1.5" ~ 32"(DN40 ~ DN800)
Pressure range: Class150 ~ 2500 (PN16 ~ PN420)
Working temperature: -196℃ ~ +560℃
Body material: Carbon steel, Stainless steel, Alloy steel, Bronze
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