Taiwan Provincial Standard of the People's Republic of China
Latest
CNS 8199-1982
Scope
This standard applies to ductile iron MMK Part 30 (MMK 30). When used in gas pipelines, the allowable pressure can be up to 1 bar. If such fittings are used in gas lines exceeding 1 bar, special guidelines should be followed. If used in water pipelines, the nominal pressure listed in the table applies. Can also be used at higher nominal pressures by special agreement
CNS 8199-1982 history
1982CNS 8199-1982 Ductile Cast Iron Special Castings for Pressure Main Lines, Doubles-Socket Bends 30°