Butterfly valve national standard refers to the standard approved and issued by the national standardization authority and unified nationwide. The national standard is a unified technical requirement in the whole country. The Department of standardization administration under the State Council shall prepare the plan, coordinate the division of work, organize the formulation (including revision), and uniformly approve, number and issue the plan. If the law provides otherwise for the formulation of national standards, the provisions of the law shall prevail.
The national standards for butterfly valves are as follows:
Standard number The name of the standard
DUT746-2001 Guidelines for the selection of power plant butterfly valves
GB/T12238-1989 Universal valve flange and wafer butterfly valve
GB/T3036-1994 Marine concentric butterfly valve
GB/T3037-1994 Marine eccentric butterfly valve
JB/T8527-1997 Metal seated butterfly valve
JB/T8692-1998 The flue butterfly valve
JB/T53171-1999 Butterfly valve product quality classification
JB/T8863-2004 Static pressure life test code for butterfly valves
ANSI/AWWA C 504-1994 Rubber seals butterfly valve
BS EN 593-1998 Industrial valve– metal butterfly valve
EN 593-1998 Industrial valve– metal butterfly valve
DIN 3356-1-1982 Butterfly valves–General data
