If it is in hydraulic environment, it should not only function as a valve, but also be dense - Shanghai Dongfeng Pump Valve Factory - 上海花千坊_上海龙凤花坛_夜上海最新论坛

If it is in a hydraulic environment, it should not only function as a valve, but also be compact

If it is in a hydraulic environment, it must not only function as a valve, but also be sealed to prevent the liquid from overflowing. Such an occasion must be an alternative. There is no other choice
It is also corrosion resistant. If valve devices are needed in some severe corrosive environments, such as the production workshops of many chemical plants, electric butterfly valves are preferred

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