Lift Plug Valve is one type of Closing or Plug Type that by rotation of 90 Degree to make the Passage of Plug and Valve Body to be the same or divided to realize its on/off functions. The Plug can be Cylinder or Taper Type. Plug valve is simple and often economical.

 Lift Plug Valve Applications

Lift plug valve is simple and rugged design makes it suitable for severe applications at high temperatures or with highly abrasive or erosive materials. In the Delayed Coking industry, the Scruff lift Plug is utilized as an Isolation and Switch valve. In vibrating, cracking, hydro processing, distillation and deasphalting refiner applications, the lift plug has proven to be an ideal isolation valve with many advantages over traditional ball valves and t-pieces. This is due to the fact that the seals do not wear as the plug is lifted before turning.

 In addition the lift plug valve  has such advantages below:

1. The structure is very simple

2. The installation size is very small

3. Rapid open and close

4. Easy operation

5. Small flow resistance

6. Can transport materials with suspended even crystals

 The disadvantages:

1. Manufacture accuracy requirement is high

2. Sealing surface easily to wear

3. Not suitable for conveying high temperature and high pressure of material

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