Shuangda Hydraulic Machinery is one of the professional piston pressure switch manufacturers and suppliers in China,Website:http://www.chinahydraulic-valve.com, welcome to buy cheap and low price piston pressure switch made in China from our factory.Usage and characteristicHED4 position pressure switch is used to switch off or switch on the electric circuit in accordance with the pressure. It is used for protecting the hydraulic system.
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