【主要材料選用】
| 序號 No. | 材料標準 | 材料牌號 | |||
| 碳鋼 | 不銹鋼 | ||||
| 零件名稱 | GB | ASTM | GB | ASTM | |
| 01 | 底蓋 | 25 | A105 | 1Cr18Ni9Ti 1Cr18Ni12Mo2Ti | F304/F316/ F304L/F316L |
| 02 | 底蓋螺釘 | 35CrMoA | A193-B7 | 1Cr17Ni2 | A193-B8M |
| 03 | 墊圈 | 氟橡膠；PTFE；金屬夾石墨 | |||
| 04 | 止推軸承 | 金屬夾PTFE | |||
| 05 | 下閥桿 | 2Cr13 | A276-410 | 1Cr18Ni9Ti 1Cr18Ni12Mo2Ti | F304/F316/ F304L/F316L |
| 06 | 下閥桿軸承 | 金屬夾PTFE | |||
| 07 | 排污塞 | 2Cr13 | A276-410 | 1Cr18Ni9Ti 1Cr18Ni12Mo2Ti | F304/F316/ F304L/F316L |
| 08 | 閥體 | WCB | A216-WCB | ZG1Cr18Ni9Ti ZG1Cr18Ni12M02Ti | CF8/CF8M/ CF3/CF3M |
| 09 | 閥座O形圈 | 氟橡膠 | 氟橡膠 | 氟橡膠 | 氟橡膠 |
| 10 | 閥座彈簧 | 17-7PH | 17-7PH | 17-7PH | 17-7PH |
| 11 | 閥座 | PTFE;PPL | PTFE;PPL | PTFE;PPL | PTFE;PPL |
| 12 | 閥座支承圈 | 25鍍鉻 25HRC | A105鍍鉻 A105HRC | 1Cr18Ni9Ti 1Cr18Ni12Mo2Ti | F304/F316/ F304L/F316 |
| 13 | 球體 | 1Cr18Ni9Ti | 304 | 1Cr18Ni9Ti 1Cr18Ni12Mo2Ti | F304/F316/ F304L/F316 |
| 14 | 球體鍵 | 40Cr | 40Cr | 1Cr17Ni2 | 1Cr17Ni2 |
| 15 | 上閥桿 | 2Cr13 | A276-410 | 1Cr18Ni9Ti 1Cr18Ni12Mo2Ti | F304/F316/ F304L/F316L |
| 序號 No. | 材料標準 | 材料牌號 | |||
| 碳鋼 | 不銹鋼 | ||||
| 零件名稱 | GB | ASTM | GB | ASTM | |
| 16 | 側蓋 | WCB | A216-WCB | ZG1Cr18Ni9Ti ZG1Cr18Ni12M02Ti | CF8/CF8M/ CF3/CF3M |
| 17 | 墊圈 | 氟橡膠；PTFE；金屬夾石墨 | |||
| 18 | 螺母 | 45 | A194-2H | 0Cr18Ni | A194-8M |
| 19 | 雙頭螺柱 | 35CrMoA | A193-B7 | 1Cr17Ni2 | A193-B8M |
| 20 | 墊圈 | 氟橡膠；PTFE；金屬夾石墨 | |||
| 21 | 閥蓋 | WCB | A216-WCB | ZG1Cr18Ni9Ti ZG1Cr18Ni12M02Ti | CF8/CF8M/ CF3/CF3M |
| 22 | 止推軸承 | PTFE | PTFE | PTFE | PTFE |
| 23 | 壓環 | 25鍍鉻 25HRC | A105鍍鉻 A105HRC | 1Cr18Ni9Ti 1Cr18Ni12Mo2Ti | F304/F316/ F304L/F316 |
| 24 | 填料函O形圈 | 氟橡膠 | 氟橡膠 | 氟橡膠 | 氟橡膠 |
| 25 | 閥桿O形圈 | 氟橡膠 | 氟橡膠 | 氟橡膠 | 氟橡膠 |
| 26 | 閥桿填料 | 石墨 | |||
| 27 | 填料壓蓋 | WCB | A216-WCB | ZG1Cr18Ni9Ti ZG1Cr18Ni12M02Ti | CF8/CF8M/ CF3/CF3M |
| 28 | 螺釘 | 35CrMoA | A193-B7 | 1Cr17Ni2 | A193-B8M |
| 29 | 支架 | WCB | WCB | WCB | WCB |
| 30 | 鍵 | 40Cr | 40Cr | 1Cr17Ni2 | 1Cr17Ni2 |
