JLM series chemical dosing pump solenoid metering pump,dosing pump 1.Flow 0-15 ... JLM series chemical dosing pumpsolenoid metering pump,magnetic metering pump, chemical dosing pumpdosing pump chemical dosing pump electromagnetic dosing pumpProduct Description ... pressure water treatment industries.PurposeWidely used in petroleum, chemical industry, metallurgy, mining, shipbuilding,light industry, ...