
| Forming Type | Forged, Casting |
| Thread | NPT,BSPT,BSP,DIN2999 |
| Connection | Famale,Male |
| Shape | Equal, Reducing |
| Applications | oil, chemical industry, water conservancy, electric power, boiler, machinery, metallurgy, etc. |
| Surface | black, galvanized, copper plated, nickel plated, carburized, etc. |