A42Y彈簧全啟式高壓安全閥
A42Y彈簧高壓安全閥適用于工作溫度≤300℃的空氣石油氣等介質(zhì)的設(shè)備和管路上；A42Y-64P，A42Y-100P型適用于工作溫度≤200℃有腐蝕性氣體介質(zhì)的設(shè)備和管路上；當(dāng)設(shè)備和管路內(nèi)壓力超過允許值時，閥門自動開啟，繼而全量排放；當(dāng)壓力降低到規(guī)定值時，閥門自動關(guān)閉，保證設(shè)備和管路的安全運行。
連接法蘭按JB/T2769-92的標(biāo)準(zhǔn)。
彈簧全啟式高壓安全閥主要零部件材料
NO. | 零件名稱 | A42Y-160 A42Y-320 材料 | A42Y-160P A42Y-320P 材料 | A42Y-160R A42Y-320R 材料 |
1 | 法蘭 | 35/35CrMoA | 2Cr13 | 1Cr18Ni12Mo2Ti |
2 | 閥座 | 2Cr13 | 1Cr18Ni9Ti | 1Cr18Ni12Mo2Ti |
3 | 閥體 | 40 | 1Cr18Ni9Ti | 1Cr18Ni12Mo2Ti |
4 | 調(diào)節(jié)圈 | 2Cr13 | 1Cr18Ni9Ti | 1Cr18Ni12Mo2Ti |
5 | 閥瓣 | 2Cr13 | 1Cr18Ni9Ti | 1Cr18Ni12Mo2Ti |
6 | 反沖盤 | 2Cr13 | 1Cr18Ni9Ti | 1Cr18Ni12Mo2Ti |
7 | 導(dǎo)向套 | 2Cr13 | 1Cr18Ni9Ti | 1Cr18Ni12Mo2Ti |
8 | 閥蓋 | ZG230-450 | ZG230-450 | ZG230-450 |
9 | 閥桿 | 2Cr13 | 1Cr18Ni9Ti | 1Cr18Ni9Ti |
10 | 彈簧 | 50CrVA | 50CrVA包覆氟塑料 | 50CrVA包覆氟塑料 |
11 | 調(diào)整螺桿 | 45 | 2Cr13 | 2Cr13 |
12 | 閥帽 | ZG200-400 | ZG200-400 | ZG200-400 |
密封面材料 | 堆焊Co基硬質(zhì)合金 | |||
■彈簧全啟式高壓安全閥外形尺寸和連接尺寸
型號 | 公稱通徑 | do | d | M | K | D | Z-?d | b | d1 | M1 | K1 | D1 | Z1-?d1 | b1 | L | L1 | ≈H |
A42Y-160 | 15 | 8 | 20 | M34×2 | 60 | 95 | 3-18 | 20 | 29 | M42×2 | 80 | 115 | 4-18 | 22 | 95 | 100 | 220 |
20 | 8 | 27 | M33×2 | 68 | 105 | 3-18 | 20 | 29 | M42×2 | 80 | 115 | 4-18 | 22 | 95 | 100 | 220 | |
25 | 14 | 28 | M33×2 | 68 | 105 | 3-18 | 20 | 50 | M64×3 | 115 | 165 | 6-26 | 32 | 150 | 150 | 280 | |
32 | 15 | 37 | M42×2 | 80 | 115 | 4-18 | 22 | 50 | M64×3 | 115 | 165 | 6-26 | 32 | 150 | 150 | 390 | |
40 | 20 | 47 | M52×2 | 115 | 165 | 6-26 | 28 | 65 | M80×3 | 145 | 200 | 6-29 | 40 | 180 | 180 | 495 | |
50 | 25 | 59 | M64×3 | 115 | 165 | 6-26 | 32 | 80 | M100×3 | 170 | 225 | 6-33 | 50 | 165 | 165 | 400 | |
A42Y-320 | 15 | 8 | 27 | M33×2 | 68 | 105 | 3-18 | 20 | 29 | M42×2 | 80 | 115 | 4-18 | 22 | 95 | 100 | 220 |
20 | 8 | 30 | M33×2 | 75 | 110 | 3-18 | 22 | 29 | M42×2 | 80 | 115 | 4-18 | 22 | 95 | 100 | 220 | |
25 | 14 | 35 | M42×2 | 80 | 115 | 4-18 | 22 | 50 | M64×3 | 115 | 165 | 6-26 | 32 | 150 | 150 | 280 | |
32 | 15 | 41 | M48×2 | 95 | 135 | 4-22 | 25 | 50 | M64×3 | 115 | 165 | 6-26 | 32 | 150 | 150 | 390 | |
40 | 20 | 58 | M64×3 | 115 | 165 | 6-26 | 32 | 65 | M80×3 | 145 | 200 | 6-29 | 40 | 180 | 180 | 495 | |
50 | 25 | 70 | M80×3 | 145 | 200 | 6-29 | 40 | 80 | M100×3 | 170 | 225 | 6-33 | 50 | 165 | 165 | 400 | |
A42Y-400 | 32 | 15 | 41 | M48×2 | 95 | 135 | 4-22 | 25 | 50 | M64×3 | 115 | 165 | 6-26 | 32 | 150 | 150 | 397 |
