閥門分類（lèi）
| NO. | 零件名稱 | A28H材（cái）料 | A28Y-P材料 | A28Y-R8材料 |
| 1 | 閥體 | HT200 | ZG1Cr18Ni9Ti | CF8M |
| 2 | 閥座 | 35 | ZG1Cr18Ni9Ti | CF8M |
| 3 | 調（diào）節圈 | 2Cr13 | 1Cr18Ni9Ti | 316 |
| 4 | 閥瓣 | 2Cr13 | 1Cr18Ni9Ti | 316 |
| 5 | 彈簧 | 50CrVA | 50CrVA包覆氟塑料 | 50CrVA包覆氟塑料 |
| 6 | 閥杆 | 2Cr13 | 2Cr13 | 316 |
| 7 | 調整螺杆 | 45 | 2Cr13 | 316 |
| 8 | 保護罩 | ZG200-400 | ZG200-400 | CF8M |
| 密封麵材料 | 堆焊D507 | 堆焊Co基硬質合金 | ||
| 公稱通徑 | 尺（chǐ）寸 | |||||
| do | Rc | G | L | L1 | H | |
| 15 | 10 | 1/2" | 3/4" | 37 | 62 | 189 |
| 20 | 12 | 3/4" | 1" | 40 | 65 | 196 |
| 25 | 15 | 1" | 11/4" | 45 | 72 | 277 |
| 32 | 20 | 11/4" | 11/2" | 55 | 85 | 312 |
| 40 | 25 | 11/2" | 2" | 67 | 100 | 322 |
| 50 | 32 | 2" | 21/2" | 76 | 112 | 348 |
| 65 | 40 | 21/2" | 3" | 110 | 135 | 370 |
| 80 | 60 | 3" | 4" | 110 | 145 | 410 |
A49H主安全閥
GA49H脈衝式安全閥（fá）
GA42H單杠杆安全閥
GA41H/GA51H單杠杆安全閥