malleable union

With a history of more than 40 years, and 70000 Metric Tons' annual output, our factory is one of the largest manufacllrers of Malleable iron pipe fittings in China, Asia and even in the world.

We can supply American standard, British standard, EN Standard, and other special requirements . Both class 150# and class 300# available, and size ranges from 1/8" to 6". The brief introduction as follows :

• AMERICAN STANDARD

           MATERIALS : ASTM A-197, ASTM A47 

           DIMENSIONS : ASME B16.3, B16.14, B16.39 (UNION DIMENSIONS)

           THREADS : ANSI B1.20.1

• BRITISH STANDARD

           MATERIALS: ASTM A-197, ASTM A47  

           DIMENSIONS: BS EN 10242, BS 143 & 1256 

           THREADS: ISO 7/1

• EN STANDARD

           MATERIALS : ASTM A-197, ASTM A47 

           DIMENSIONS : ISO49, DIN2950

           THREADS: ISO 7/1