1) Specification: DN15-DN600 (metric)
2) Size: 1/2 - 24"
3) Standard: API,MSS SP-44, etc.
4) Material: such as ASTM A694-F50/F52/F60/F65/F70, etc.
Carbon steel and alloy steel with yellow print, black print, oil or zinc.
Plywooden case.
* We can also manufacture special application flanges and forgings that customers require.