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主要零件及材質(zhì) Main Parts and Materials
| 序號 No. | 零件名稱 Accessory name | 材質(zhì) Material | |
| GB | ASTM | ||
| 1 | 閥體 Boby | WCB | A216-WCB |
| 2 | 彈簧 Spring | 60Si2Mn | AISI 9260 |
| 3 | 密封圈 Seat | PTFE | PTFE |
| 4 | 球體 Ball | 1Cr18Ni9Ti | SS 304 |
| 5 | 鍵 Key | 45 | AISI C 1045 |
| 6 | 填料 Stuffing | PTFE | PTFE |
| 7 | 閥桿 Stem | 1Cr13 | A276-410 |
| 8 | 填料壓蓋 Gland | WCB | A216-WCB |
| 9 | 支架 Yoke | WCB | A216-WCB |
| 10 | 壓套 Cover | 25 | A105 |
| 11 | “ 0”型密封圈 “0”Ring | 橡膠 Rubber | 橡膠 Rubber |
| 12 | 滑動軸承 Sliding bearing | PTFE ＆stainless steel | PTFE ＆stainless steel |
| 13 | 螺柱 Stud | 35CrMoA | A193-B7 |
| 14 | 螺母 Nut | 35 | A194-2H |
| 15 | 閥座 Seat Ring | 25 | A105 |
| 16 | 墊片 Gasket | 橡膠 Rubber | Viton |
| 17 | 螺釘 Screw nial | 35 | A193-B7 |
| 18 | 固定軸 Fixed spindle | 1Cr13 | A276-410 |
| 19 | 底蓋 Bottom cover | 25 | A105 |
| 20 | 排污螺塞 Blowoff screw | 25 | A105 |
| 21 | 閥蓋 Bonnet | WCB | A216-WCB |
