| NO. | 零件(jiàn)名稱 | A21H-C/A21F材料(liao) | A21W-P/A21F-P材料 | A21Y-R材料(liào) |
| 1 | 管接頭 | 20 | 1Cr18Ni9Ti | 1Cr18Ni12Mo2Ti |
| 2 | 管(guan)接頭螺母(mu) | 35 | 2Cr13 | 1Cr18Ni9Ti |
| 3 | 閥座 | 35 | 1Cr18Ni9Ti | 1Cr18Ni12Mo2Ti |
| 4 | 閥體(tǐ) | 2Cr13 | 1Cr18Ni9Ti | 1Cr18Ni12Mo2Ti |
| 5 | 閥瓣 | 2Cr13/2Cr13+PTFE | 1Cr18Ni9Ti/1Cr18Ni9Ti+PTFE | 1Cr18Ni12Mo2Ti |
| 6 | 彈簧(huang)座 | 2Cr13 | 1Cr18Ni9Ti | 1Cr18Ni12Mo2Ti |
| 7 | 彈簧 | 50CrVA | 50CrVA包(bao)覆氟塑料(liao) | 50CrVA包覆氟塑(su)料 |
| 8 | 鎖緊螺(luó)母 | Q235-A | ZG230-450 | 1Cr18Ni9Ti |
| 9 | 彈簧導(dao)向墊 | 2Cr13 | 1Cr18Ni9Ti | 1Cr18Ni12Mo2Ti |
| 10 | 調節(jie)螺母 | Q235-A | 2Cr13 | 1Cr18Ni12Mo2Ti |
| 密封(fēng)面材料 | "Y"型(xíng)堆焊Co基硬(yìng)質合金,"H"型(xing)堆焊D507,"W"型為(wéi)閥門本體(tǐ) | |||
| 型(xing)号 | 公稱通(tong)徑 | do | d | Do | M | d1 | D1 | L | L1 | ≈H |
| KA21-16C A21H-16C A21H-40 A21W-16P A21W-40P KA21-16P | 15 | 12 | 15 | 20 | M27×1.5 | G1/2" | 30 | 35 | 76 | 66 |
| 20 | 16 | 20 | 25 | M33×1.5 | G3/4" | 35 | 40 | 87 | 68 | |
| 25 | 18 | 25 | 31 | M39×1.5 | G1" | 40 | 50 | 100 | 105 | |
| A21Y-64 A21Y-64P A21Y-100 A21Y-100P | 15 | 10 | 15 | 25 | M39×1.5 | G1" | 44 | 50 | 100 | 66 |
| 20 | 10 | 20 | 31 | M39×1.5 | G1" | 44 | 50 | 100 | 68 | |
| 25 | 12 | 25 | 31 | M39×1.5 | G1" | 44 | 50 | 100 | 105 | |
| A21W-160/160P | 15 | 8 | 20 | / | M24×2 | G1" | 44 | 50 | 100 | 261 |
| 20 | 8 | 25 | / | M33×2 | G1" | 44 | 50 | 100 | 261 | |
| 25 | 8 | 28 | / | M36×2 | G1" | 44 | 50 | 100 | 285 |
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