Mechanical fittings for polyethylene piping systems for the supply of gaseous fuels—Part 2:Metal fittings for pipes of nominal outside diameter greater than 63 mm
Mechanical fittings for polyethylene piping systems for the supply of gaseous fuels—Part 1:Metal fittings for pipes of nominal outside diameter less than or equal to 63 mm
Polyolefin pipes for the conveyance of fluids—Determination of resistance to crack propagation-Test method for slow crack growth on notched pipes(notch test)