產品詳情
| 產品名稱 | A42F、AH42F天然氣閥 |
| 產品型號 | A42F、AH42F |
| 公稱通徑 | DN20-400 |
| 壓力范圍 | 1.6MPa-4.0MPa |
| 閥體材質 | 鑄鋼、不銹鋼 |
產品概述：
A42F,AH42F天然氣閥應用于市政建設、農田、燃氣、水利、火力發電、石油化工、冶金礦山、消防、食品、航運和輕紡等領域。AH42F、A42F適用于工作溫度在-40～80℃的液化石油氣的液相出口管上，當進出口壓差0.5MPa時液化石油氣能自動回流入罐。
零件材料：
| NO. | 零件名稱 | AH42F-C A42F-C 材料 |
| 1 | 閥座 | 2Cr13 |
| 2 | 閥體 | WCB |
| 3 | 調節圈 | 2Cr13 |
| 4 | 反沖盤 | 2Cr13 |
| 5 | 閥瓣 | 2Cr13+PTFE |
| 6 | 導向套 | 2Cr13 |
| 7 | 閥蓋 | ZG230-450 |
| 8 | 彈簧 | 50CrVA |
| 9 | 閥桿 | 2Cr13 |
| 10 | 調整螺桿 | 45 |
| 11 | 閥帽 | ZG200-400 |
1.6-2.5MPa外形尺寸：
| 型號 | 公稱通徑 | do | D | K | g | g1 | b | f | f1 | Z-?d | DN’ | D1 | K1 | g2 | b1 | f’ | Z1-?d1 | L | L1 | ≈H |
| AH42F-16C | 20 | 15 | 105 | 75 | / | 55 | 16 | 2 | / | 4-14 | 25 | 115 | 85 | 65 | 16 | 2 | 4-14 | 110 | 95 | 378 |
| A42F-16C | 25 | 16 | 115 | 85 | / | 65 | 16 | 2 | / | 4-14 | 32 | 140 | 100 | 78 | 18 | 2 | 4-18 | 110 | 95 | 378 |
| 32 | 20 | 140 | 100 | / | 78 | 18 | 2 | / | 4-18 | 40 | 150 | 110 | 85 | 18 | 3 | 4-18 | 115 | 100 | 378 | |
| 40 | 25 | 150 | 110 | / | 85 | 18 | 3 | / | 4-18 | 50 | 165 | 125 | 100 | 20 | 3 | 4-18 | 120 | 110 | 406 | |
| 50 | 32 | 165 | 125 | / | 100 | 20 | 3 | / | 4-18 | 65 | 185 | 145 | 120 | 20 | 3 | 4-18 | 135 | 120 | 450 | |
| 65 | 40 | 185 | 145 | / | 120 | 20 | 3 | / | 4-18 | 80 | 200 | 160 | 135 | 20 | 3 | 8-18 | 160 | 140 | 520 | |
| 80 | 50 | 200 | 160 | / | 135 | 20 | 3 | / | 8-18 | 100 | 220 | 180 | 155 | 22 | 3 | 8-18 | 170 | 135 | 525 | |
| 100 | 65 | 220 | 180 | / | 155 | 22 | 3 | / | 8-18 | 125 | 250 | 210 | 185 | 22 | 3 | 8-18 | 195 | 175 | 690 | |
| 125 | 80 | 250 | 210 | / | 185 | 22 | 3 | / | 8-18 | 150 | 285 | 240 | 210 | 24 | 3 | 8-23 | 210 | 190 | 780 | |
| 150 | 100 | 285 | 240 | / | 210 | 24 | 3 | / | 8-23 | 175 | 310 | 270 | 240 | 26 | 3 | 8-23 | 255 | 230 | 838 | |
| 200 | 125 | 340 | 295 | / | 265 | 26 | 3 | / | 12-23 | 250 | 405 | 355 | 320 | 30 | 3 | 12-26 | 300 | 260 | 992 | |
| 250 | 150 | 405 | 355 | / | 320 | 30 | 3 | / | 12-26 | 300 | 460 | 410 | 375 | 30 | 4 | 12-26 | 350 | 320 | 1266 | |
| 300 | 220 | 460 | 410 | / | 375 | 30 | 4 | / | 12-26 | 400 | 580 | 525 | 485 | 36 | 4 | 16-30 | 370 | 350 | 1283 | |
| 350 | 250 | 520 | 470 | / | 435 | 34 | 4 | / | 16-26 | 500 | 715 | 650 | 608 | 44 | 4 | 20-34 | 500 | 450 | 1520 | |
| 400 | 280 | 580 | 525 | / | 485 | 36 | 4 | / | 16-30 | 500 | 715 | 650 | 608 | 44 | 4 | 20-34 | 500 | 450 | 1530 |
