[ad_1]
1) Product standard
“General Valve Iron Swing Check Valve” GB/T 13932-92
“General Valve Steel Swing Check Valve” GB 12236-2008
“General Valve Iron Globe Valve and Lift Check Valve” GB 12233-2006
“Wafer Check Valve” JB/T 8937-2010
“General requirements for steel valves” GB/T 12224-2005
“Valve Inspection and Test” JB/T 9092-1999
2) Engineering Standards
“Code for Acceptance of Construction Quality of Building Water Supply, Drainage and Heating Engineering” GB 50242-2002
“Code for Acceptance of Construction Quality of Ventilation and Air Conditioning Engineering” GB50243-2002
3) Relevant standard diagrams
01SS105 Selection and installation of commonly used small instruments and special valves
[ad_2]
