Current label: Hydraulic check valve
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At present, the self operated lifting valve of the oil cylinder manufacturer is driven only by the energy of the medium itself, which is energy-saving, environmentally friendly and easy to use because it does not need other external energy sources such as power supply and gas source; Moreover, the automatic operation can be realized when the pressure value is set after installation, so the self operated lifting valve has been widely used in various industrial departments in China. But the self operated lifting valve should be put into normal operation
