Description:
| 主要零件材料 Main part material | | 主安全阀 Main safety valve | | Part number | Name of parts | Material | | 1 | Body | CrMoV steel | | 2 | Disc | CrMoV steel | | 3 | Piston | Stainless steel | | 4 | Piston sleeve | Stainless steel | | 5 | Piston ring | Stainless steel | | 6 | Stem | Nitriding steel | | （kg） Weight | 382 | |
