American standard:
Materials: ANSI/ASME A197-79
Dimensions: ANSI/ASME B16.3-85
Threads: ANSI/ASME B1.20.1 
 
Din Standard:
 
Materials:DIN1692 
Dimensions:EN 10242 DIN2950 
Threads:ISO 7/1 DIN2999 
British Standard: 
Materials: ISO 5922 BS 143 and  BS1256 
Dimensions: ISO 49,Threads: ISO 7/1 
 



Malleable Iron Pipe Fittings with American Standard 
Malleable Iron Pipe Fittings with British Standard 
Malleable Iron Pipe Fittings with DIN Standard

 

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