Adoption of automatic oil supply and internal safety protection technology based on mutual interaction of diaphragm—limit valve—compensation valve—internal safety valve. The accuracy of a limit valve reaches ±0.002mm, the surface hardness reaches 60～70HRC and the roughness reaches 0.4μm; the pump can be reused for 80 million times within a temperature range of -80℃～160℃;

Through multi-directional rolling and surface quenching treatment, evenness of PTFE macro-molecule composite diaphragm reaches 99.92%, cold flow is reduced during operation and compressive strength is enhanced;

Internal safety valve and compensation valve realizing automatic air discharge and oil replenishment have outstanding and reliable performance;

Inlet and outlet high-precision check valves can effectively guarantee metering accuracy and fluidity;

Integrated worm gear, used as a variable speed transmission mechanism, features low noise and high efficiency;

Adoption of a patented integrated sleeve adjustable eccentric transmission mechanism, simple and reliable, and stroke can be steplessly adjusted in the range of 0%-100%, the metering accuracy is ±0.5% (10%-100% adjustment range);

Oil-immersion lubrication ensures reliable use of the transmission mechanism for a long term;

When transporting hazardous fluids toxic, flammable, explosive or strongly corrosive, double diaphragms or multiple diaphragms can be used;

The diaphragm rupture alarm device prevents fluids from contact with hydraulic oil in case of diaphragm rupture, thus avoiding happening of any accident;

Capacity control modes are diversified, including manual, electrical, pneumatic and frequency conversion adjustment;

Installation of an electric actuator ensures realization of automatic remote control;

Two pump heads or multiple heads (12 at most) can be connected in parallel; a pump with two or more heads can be used to transport a same fluid to reduce pulses or transport different fluids as a proportioning pump;

With a wide application range, it can safely transport all kinds of fluids.