A dual plate wafer check valve closes two half-discs on a central hinge pin, reaches about one quarter the face-to-face length of a swing check valve, and shuts in under 0.3 seconds. This guide covers the API 594 retainerless design, seven selection parameters, and the J-VALVES range from DN50 to DN1200 in Class 150 through 2500.
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In modern industrial piping systems, check valves play a critical role in preventing reverse flow, protecting pumps, compressors, and other pressure-sensitive equipment. Among various check valve designs, the lug type dual plate check valve has become a preferred solution for applications requiring compact structure, reliable sealing performance, and efficient flow control.
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A dual plate wafer check valve closes two half-discs on a central hinge pin, reaches about one quarter the face-to-face length of a swing check valve, and shuts in under 0.3 seconds. This guide covers the API 594 retainerless design, seven selection parameters, and the J-VALVES range from DN50 to DN1200 in Class 150 through 2500.
In modern industrial piping systems, check valves play a critical role in preventing reverse flow, protecting pumps, compressors, and other pressure-sensitive equipment. Among various check valve designs, the lug type dual plate check valve has become a preferred solution for applications requiring compact structure, reliable sealing performance, and efficient flow control.
