Pressure grade: the gas distribution pressure is not larger than 0.7mpa; the water conveying working pressure is not larger than 1.6mpa.
Executive standard: for elbow steel-plastic conversion pipe fittings of Donghong, the national standard GB 15558.2-2005 applies.
Specification and dimension: specification and dimension of elbow steel-plastic conversion pipe fittings meet the requirements in the table below.