Code standard and replacement standard for valve

On February 11, 2010, the Ministry of Industry and Information Technology of the People's Republic of China published 398 mechanical industry standards in its No. 82 bulletin. The standards related to valves are as follows:

No. Standard Code Standard Name Replacement Standard Implementation Date 1 JB/T 1701-2010 Valve Parts Stem Nut JB/T 1694-1991

JB/T 1695-1991

JB/T 1696-1991

JB/T 1698-1991

JB/T 1699-1991

JB/T 1701-1991
2010-07-01 2 JB/T 1708-2010 Valve Parts Packing Gland, Packing and Packing Plate JB/T 1708-1991
JB/T 5206.1-1991

JB/T 5206.2-1991

JB/T 5206.3-1991

JB / T 5207-1991 2010-07-01 3 JB / T 1759-2010 valve sleeve part JB / T 1759-1991 2010-07-01 4 JB / T 2768-2010 high pressure pipe valve parts, fittings and valves End Size JB/T 2768-1992 2010-07-01 5 JB/T 2776-2010 Valve Parts High Pressure Lens Pads JB/T 2776-1992 JB/T 2777-1992 2010-07-01 6 JB/T 5210- 2010 Sealed seats on valve components JB/T 5210-1991 2010-07-01 7 JB/T 8937-2010 Check Valves JB/T 8937-1999 2010-07-01