Features: 

1) Non-pinned stem/disc connection offers permanent and continuous 

    leak-tightness, long life and easy maintenance 

2) Using nylon, PTFE, CPE and anti-corrosion alloy metal coated disc offers high 

    corrosion-resistance which can meet the requirements of different medium, 

    nylon coating can provide excellent anti-corrosion, wear resistance,

    non-poisonous ness, anti-germ, and anti-mould 

3) Safety: AC1500V test, special-made cord lock 

4) Simple: one phase power supply, simple wiring 

5) Convenient: oil feeding free, maintenance free, waterproof, any angle  

    adjusting free 

6) Protest: double stroke limit to avoid overheat and overload