Butterfly Check Valve
12 products found
A butterfly check valve (commonly referred to as a dual-plate check valve or double-disc check valve) is a compact, automatic non-return valve featuring two semi-circular plates hinged around a central pivot pin within the flow stream. Driven entirely by fluid kinetics, forward line pressure pushes the two spring-loaded plates forward, folding them together like a pair of wings to clear the flow path. When the flow decelerates or reverses, the internal torsion spring instantly snap the plates back onto a resilient or metal-to-metal seat, sealing the line before flow reversal can occur. This dual-plate geometry significantly reduces the closing distance and disc weight compared to traditional single-plate swing check valves, effectively eliminating water hammer and severe pressure surges. Procurement managers and marine piping engineers can secure absolute mechanical compliance and reduce maintenance overhead by importing certified butterfly check valves directly from premier manufacturers in China via our advanced B2B digital marketplace.
Zhejiang Xinhai Valve Manufacturing Co., Ltd.
Low Resistant Slow Closing Butterfly Silence Check Valve
Model Number: HH49X
ZHEJIANG VERVO VALVE CO., LTD
Butterfly Slow Closing Check Valve, CJ/T 282, CF8, DN200, PN16
ZHEJIANG VERVO VALVE CO., LTD
Slow Closing Butterfly Check Valve, DN100, PN16, CJ/T 154
ZHEJIANG VERVO VALVE CO., LTD
Slow Closing Butterfly Check Valve, CJ/T 282, WCB, DN800, RF
Model Number: CKV-20250530-01
ZHEJIANG VERVO VALVE CO., LTD
Butterfly Slow Closing Check Valve, A216 WCB, DN700, 150 LB
Model Number: CKV-20250530-02
ZHEJIANG VERVO VALVE CO., LTD
Slow Closing Butterfly Check Valve, A216 WCB, DN600, PN10
Model Number: CKV-20250613-04
ZHEJIANG VERVO VALVE CO., LTD
Slow Closing Butterfly Check Valve, F304, 52 IN, 150 LB, RF
Model Number: CKV-20250627-01
XIAMEN LANDEE INDUSTRIES CO., LTD.
Ductile Iron Butterfly Check Valve, 16 IN, 150 LB, Flanged
Model Number: LD-20240926-CV-01
XIAMEN LANDEE INDUSTRIES CO., LTD.
Flanged Butterfly Check Valve, Ductile Iron, 16 Inch, CL150
Model Number: LV-CV-20240927-02
Zhejiang Kosen Valve Co., Ltd.
Butterfly Buffer Check Valve, ASTM A351 CF8, DN300, PN16, RF
Model Number: KV-20250125-HCV-01
Zhejiang Kosen Valve Co., Ltd.
ASTM A351 CF8 Butterfly Check Valve, DN200, PN25, 8 Inch, RF
Model Number: KV-20250125-HCV-02
Zhejiang Magpie Sealing Technology Co., Ltd.
Slow-closing Butterfly Check Valve, DI, QT450, DN100, PN16
Model Number: MV-20250701-CSCV-01
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