【A21F弹簧安全阀】不锈钢安全阀|外螺纹安全阀
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详细信息
AZ安全认证、ISO9001认证企业。专业生产各类安全阀、概述：1 A21F、A21H-C型适用于工作温度≤200℃的空气、氨、石油气……等介质的设备或管路上。A21W-P、R型适用于温度≤200℃有腐蚀性的气体或液体的设备或管路上，作为超压保护装置。KA21Y型适用于温度≤100℃的液化石油气等.更多安全阀产品请浏览本厂www.0577valves.com我们将以的产品、优质的服务，合理的价格欢迎您的惠顾
弹簧微启式外螺纹安全阀（A21H）剖解图
弹簧微启式外螺纹安全阀（A21H）主要零部件材料
NO. | Name of part | A21H-C/A21F KA21Y-C Materials | A21W-P/A21F-P KA21Y-P Materials | A21Y-R Materials |
1 | Union | 20 | 1Cr18Ni9Ti | 1Cr18Ni12Mo2Ti |
2 | Union nut | 35 | 2Cr13 | 1Cr18Ni9Ti |
3 | Nozzle | 35 | 1Cr18Ni9Ti | 1Cr18Ni12Mo2Ti |
4 | Body | 2Cr13 | 1Cr18Ni9Ti | 1Cr18Ni12Mo2Ti |
5 | Disc | 2Cr13/2Cr13+PTFE | 1Cr18Ni9Ti/1Cr18nI9Ti+PTFE | 1Cr18Ni12Mo2Ti |
6 | Spring washer | 2Cr13 | 1Cr18Ni9Ti | 1Cr18Ni12Mo2Ti |
7 | Spring | 50CrVA | 50CrVA Coated Teflon | 50CrVA Coated Teflon |
8 | Locking nut | Q235-A | 2Cr13 | 1Cr18Ni9Ti |
9 | Spring guide | 2Cr13 | 1Cr18Ni9Ti | 1Cr18Ni12Mo2Ti |
10 | Adjusting nut | Q235-A | 2Cr13 | 1Cr18Ni12Mo2Ti |
| Sealing surface of material | "Y" Co Depositing slite, "H" D507 Depositing D507, "W" body | ||
弹簧微启式外螺纹安全阀（A21H）外形尺寸和连接尺寸
型 号 | 公称通径（DN） | do | d | Do | M | d1 | D1 | L | L1 | ≈H |
A21H/W/F-16C/P/R | 15 | 12 | 15 | 20 | M27×1.5 | G1/2〞 | 30 | 35 | 81 | 66 |
20 | 16 | 20 | 25 | M33×1.5 | G3/4〞 | 34 | 40 | 87 | 68 | |
25 | 18 | 25 | 31 | M39×1.5 | G1〞 | 44 | 52 | 100 | 105 | |
A21Y/W-64C/P/R | 15 | 10 | 15 | 25 | M39×1.5 | G1〞 | 44 | 52 | 100 | 105 |
20 | 10 | 20 | 31 | M39×1.5 | G1〞 | 44 | 52 | 100 | 105 | |
25 | 12 | 25 | 31 | M39×1.5 | G1〞 | 44 | 52 | 100 | 105 |