A42Y-C型適用于工作溫度≤300℃空氣、石油氣、液體等介質(zhì)的設(shè)備和管路上。A42Y-P型及A42Y-R型適用于工作溫度≤200℃有腐蝕性的介質(zhì)的設(shè)備和管路上,作為超壓保護(hù)裝置。 連接法蘭標(biāo)準(zhǔn)按JB/T……-94系列1?!?.4MPa按JB/T……-94系列2。
主要零部件材料
NO. | 零件名稱 | A42Y-C | A42Y-P | A42Y-R | DA42Y-P |
1 | 閥座 | 2Cr13/1Cr18Ni9Ti | ZG1Cr18Ni9Ti | ZG1Cr18Ni12Mo2Ti | ZG1Cr18Ni9Ti |
2 | 閥體 | WCB | ZG1Cr18Ni9Ti | ZG1Cr18Ni12Mo2Ti | LCB/ZG1Cr18Ni9Ti |
3 | 調(diào)節(jié)圈 | 2Cr13/1Cr18Ni9Ti | 1Cr18Ni9Ti | 1Cr18Ni12Mo2Ti | 1Cr18Ni9Ti |
4 | 反沖盤(pán) | 2Cr13/1Cr18Ni9Ti | 1Cr18Ni9Ti | 1Cr18Ni12Mo2Ti | 1Cr18Ni9Ti |
5 | 閥瓣 | 2Cr13/1Cr18Ni9Ti | 1Cr18Ni9Ti | 1Cr18Ni12Mo2Ti | 1Cr18Ni9Ti |
6 | 導(dǎo)向套 | 2Cr13/1Cr18Ni9Ti | 1Cr18Ni9Ti | 1Cr18Ni12Mo2Ti | 1Cr18Ni9Ti |
7 | 閥蓋 | ZG230-450 | ZG230-450 | ZG230-450 | ZG1Cr18Ni9Ti |
8 | 彈簧 | 50CrVA | 50CrVA包覆氟塑料 | 50CrVA包覆氟塑料 | 50CrVA |
9 | 閥桿 | 2Cr13 | 1Cr18Ni9Ti/1Cr18Ni12Mo2Ti | 1Cr18Ni9Ti/1Cr18Ni12Mo2Ti | 1Cr18Ni9Ti |
10 | 調(diào)整螺桿 | 45 | 2Cr13 | 2Cr13 | 2Cr13 |
11 | 閥帽 | ZG200-400 | ZG200-400 | ZG200-400 | ZG230-450 |
| 密封面材料 | 堆焊Co基硬質(zhì)合金 |
外形尺寸和連接尺寸
公稱壓力 | 公稱通徑 | 尺寸(mm) | |||
do | L | L1 | DN′ | ||
1.6 2.5 4.0 | 20 | 10 | 95 | 85 | 25 |
25 | 15 | 110 | 95 | 32 | |
32 | 20 | 115 | 100 | 40 | |
40 | 25 | 120 | 110 | 50 | |
50 | 32 | 135 | 120 | 65 | |
65 | 40 | 160 | 125 | 80 | |
80 | 50 | 170 | 135 | 100 | |
100 | 65 | 195 | 175 | 150 | |
125 | 80 | 210 | 190 | 150 | |
150 | 100 | 250 | 210 | 200 | |
200 | 125 | 305 | 260 | 250 | |
250 | 150 | 350 | 320 | 300 | |
300 | 200 | 370 | 350 | 400 | |
350 | 250 | 500 | 450 | 500 | |
400 | 300 | 500 | 450 | 500 | |
500 | 350 | 550 | 500 | 600 |