Types:

Coupling, Long coupling, Reducer with Plain Ends, 45°/90°Elbow, 45°/90°Elbow with plain end, 30°/45°/60°/90°/180° Elbow with plain ends, Tee, Reducing Tee, Bridge, Tee with Male Thread Ends, Tee with Female Thread Ends, Flange with Pressing Socket, Elbow Adaptor 90 with Male/Female Thread Ends, 90 Male/Female Elbow, Adaptor, Adaptor Union, Cap

Standard:

EN 10312 series 1, series 2

DVGW W 534

DVGW W 541

GB/T 19228.2 series