10.60 11 korr 2024
ISO
ISO/TC 263
International Standard
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.
IN_DEVELOPMENT
ISO/NP 22355
10.60
Close of voting
11 korr 2024
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