Elbow  describe
1, Standard: GB12459-90  GB/T13401  ASME/ANSI B16.9  ASME/ANSI B16.28  MSS SP-75  JIS  DIN

2,  Pressure Class: SCH20   STD  SCH40  XXS  SCH80  SCH160 

3,  Packing: Wooden Cases or wooden pallet or as per customers requirement             

4, Elbow  Application range: Petroleum, chemical, power, gas, metallurgy, shipbuilding, construction, etc

5,  Elbow  Primary competitivadvantages:High pressure resistant and  High  temperature resistant