QINGDAO FUXIBAO VALVE CO .,LTD. 
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2019-08-14
Marine hydraulic butterfly valve
Working Principle of Butterfly Valve Hydraulic Drive 1. Manual Operation When the hydraulic system suddenly fails and cannot operate, the valve butterfly plate stops at any position.
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2019-08-14
Marine valve
Valves are produced with the production of fluid lines. Humans have used valves for nearly 4000 years. In ancient China, cork valves were used in bamboo pipelines when brine was sucked from salt wells to make salt. China's valve market price is relatively stable. Although it rises or falls slightly every year, the range is very small. The market prospect of the valve industry is still widely optimistic.
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2019-08-14
Precautions for valves
In general, the valve does not unde rgo strength test, but the repaired valve body and valve cover or the valve body and valve cover with corrosion damage shall und ergo strength test. For safety valves, their constant pressure, return pressure and other tests shall conform to the specifications and relevant regulations.
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![JIS F7480 Marine Cast Iron/Ductile Iron/Cast Steel Lug Type Butterlfy Valve-Worm Gear Operator 5K/10K]()
JIS F7480 Marine Cast Iron/Ductile Iron/Cast Steel Lug Type Butterlfy Valve-Worm Gear Operator 5K/10K
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![JIS F7480 Marine Cast Iron/Ductile Iron/Cast Steel Lug Type Butterlfy Valve-Level Operator 5K/10K]()
JIS F7480 Marine Cast Iron/Ductile Iron/Cast Steel Lug Type Butterlfy Valve-Level Operator 5K/10K
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![JIS F7480 Marine Cast Iron/Ductile Iron/Cast Steel Wafer Type Butterlfy Valve-Worm Gear Operator 5K/10K]()
JIS F7480 Marine Cast Iron/Ductile Iron/Cast Steel Wafer Type Butterlfy Valve-Worm Gear Operator 5K/10K
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![JIS F7480 Marine Cast Iron/Ductile Iron/Cast Steel Wafer Type Butterlfy Valve-Level Operator 5K/10K]()
JIS F7480 Marine Cast Iron/Ductile Iron/Cast Steel Wafer Type Butterlfy Valve-Level Operator 5K/10K
QINGDAO FUXIBAO VALVE CO .,LTD.
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