... , injection valve and tubes for import and export.4.Aluminium body with good heat ourput function and low weight.5.Suit ... also the EPDM stretch rubber to cover all of the body.PurposeWidely used in petroleum, chemical industry, metallurgy, mining, shipbuilding,light ... , food industry, constructions industry, and etc.Measurements JLM Solenoid Diaphragm Metering Pump