ISO/AWI 22355

Technical specifications for coalbed methane polyethylene gathering and transportation pipeline project

Scope

This standard applies to the design, construction and acceptance of buried polyethylene pipeline projects for coalbed methane gathering and transportation with nominal outer diameter of 20 mm to 630 mm, operating temperature of -20 ℃ to 40 ℃, and maximum working pressure of no more than 1.0 MPa.