品牌
其他厂商性质
上海所在地
用途
A42Y型弹簧全启式安全阀适用于工作温度≤300℃的空气、石油气、液体等介质的设备和管路上。A42-P型及A42Y-R型弹簧全启式安全阀适于工作温度≤200℃有腐蚀性的介质的设备和管路上。A48Y型弹簧全启式安全阀适于工作温度≤350℃的蒸气、空气等介质设备和管路上，作为超压保护装置。
主要零部件材料
NO. | 零件名称 | A42Y-C A48Y-C KA42Y-C | A42Y-P/K A42Y-P | A42Y-R | DA42Y-P |
1 | 阀座 Nozzle | 2Cr13/1Cr18Ni9Ti | ZG1Cr18Ni9Ti | 2G1Cr18Ni12Mo2Ti | ZG1Cr18Ni9Ti |
2 | 阀体 Body | WCB | ZG1Cr18Ni9Ti | 2G1Cr18Ni12Mo2Ti | LCB/ ZG1Cr18Ni9Ti |
3 | 调节圈 Adjusting ring | 2Cr13/1Cr18Ni9Ti | 1Cr18Ni9Ti | 1Cr18Ni12Mo2Ti | 1Cr18Ni9Ti |
4 | 反冲盘 Disc holder | 2Cr13/1Cr18Ni9Ti | 1Cr18Ni9Ti | 1Cr18Ni12Mo2Ti | 1Cr18Ni9Ti |
5 | 阀瓣 Disc | 2Cr13/1Cr18Ni9Ti | 1Cr18Ni9Ti | 1Cr18Ni12Mo2Ti | 1Cr18Ni9Ti |
6 | 导向套 Guide sleeve | 2Cr13/1Cr18Ni9Ti | 1Cr18Ni9Ti | 1Cr18Ni12Mo2Ti | 1Cr18Ni9Ti |
7 | 阀盖 Bonnet | ZG230-450 | ZG230-450 | ZG230-450 | ZG1Cr18Ni9Ti |
8 | 弹簧Spring | 50CrVA | 50CrVA包覆氟塑料 Coated Teflon | 50CrVA包覆氟塑料 Coated Teflon | 50CrVA |
9 | 阀杆Stem | 2Cr13 | 1Cr18Ni9Ti/1Cr18Ni12Mo2Ti | 1Cr18Ni9Ti/1Cr18Ni12Mo2Ti | 1Cr18Ni9Ti |
10 | 调整螺杆Adjusting bolt | 45 | 2Cr13 | 2Cr13 | 2Cr13 |
11 | 阀帽Cap | ZG200-400 | ZG200-400 | ZG200-400 | ZG230-450 |
密封面材料 Sealing surface of material | 堆焊Co基硬质合金 Depositing stellite | ||||
外形及连接尺寸
公称通径 | 尺寸 Dimensions (mm) | |||
DO | L | L1 | DN’ | |
25 | 15 | 110 | 95 | 32 |
32 | 20 | 115 | 100 | 40 |
40 | 25 | 120 | 110 | 50 |
50 | 32 | 165 | 120 | 65 |
65 | 40 | 160 | 135 | 80 |
80 | 50 | 170 | 135 | 100 |
100 | 65 | 195 | 175 | 125 |
125 | 80 | 210 | 190 | 150 |
150 | 100 | 255 | 230 | 175 |
200 | 125 | 300 | 260 | 250 |
250 | 150 | 350 | 320 | 300 |
300 | 200 | 380 | 350 | 400 |
350 | 300 | 500 | 450 | 500 |
400 | 350 | 500 | 450 | 500 |
