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Mechanical driven diaphragm metering pump, 4-layer diaphragm design better performance range single pump head flow: 1.5 M 3/H discharge pressure: 20 Bar Temperature: -50 ~ + 400 ° C viscosity: 500 mpas metering bai pump working principle: metering pump motor rotation, drive du worm rotation zhi. The worm is used as Dao by the worm gear mechanism and the eccentric wheel to obtain the reciprocating motion of the connecting rod. The connecting rod pushes the piston to make reciprocating movement in the metering pump working chamber (see diagram) . When the piston moves to the left, a vacuum is formed in the pump cavity, the suction valve is opened, the discharge valve is closed, and the liquid enters the pump cavity. Metering pump: also known as fixed pump or proportional pump? The utility model is a reciprocating pump which can regulate the flow rate, and the flow rate can be stepless regulated in the range of 0-100. The utility model is characterized in that when the flow rate is adjusted, the discharge pressure can be kept constant. Metering pump is widely used in petrochemical, pharmaceutical, food and other industrial fields.
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