不锈钢安全阀适用于工作温度≤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，作为超压保护设备。KA21Y型适用于温度≤100℃的液化石油气等。

A21H-16C A21H-40 A21H-64 A21Y-100 A21H-160
A21W-16P A21W-40P A21F-40P A21W-64P A21W-100P A21W-160P 
KA21Y-16C KA21Y-16P A21Y-16R A21Y-40R A21Y-64R A21Y-100R A21Y-160R

不锈钢安全阀首要零部件

NO.零件称号A21H-C/A21F资料A21W-P/A21F-P资料A21Y-R资料1管接头201Cr18Ni9Ti1Cr18Ni12Mo2Ti2管接头螺母352Cr131Cr18Ni9Ti3阀座351Cr18Ni9Ti1Cr18Ni12Mo2Ti4阀体2Cr131Cr18Ni9Ti1Cr18Ni12Mo2Ti5阀瓣2Cr13/2Cr13+PTFE1Cr18Ni9Ti/1Cr18Ni9Ti+PTFE1Cr18Ni12Mo2Ti6绷簧座2Cr131Cr18Ni9Ti1Cr18Ni12Mo2Ti7绷簧50CrVA50CrVA包覆氟塑料50CrVA包覆氟塑料8锁紧螺母r18Ni9Ti9绷簧导向垫2Cr131Cr18Ni9Ti1Cr18Ni12Mo2Ti10调理螺母2Cr131Cr18Ni12Mo2Ti

密封面资料'Y'型堆焊Co基硬质合金,'H'型堆焊D507,'W'型为阀门本体

不锈钢安全阀外形和衔接尺度

类型公称通径dodDoMd1D1LL1≈HKA21-16C
A21H-16C
A21H-40 
A21W-16P 
A21W-40P
KA21-16P15121520M27×1.5G1/2'3035766620162025M33×1.5G3/4'3540876825182531M39×1.5G1'4050100105A21Y-64
A21Y-64P
A21Y-100
A21Y-100P15101525M39×1.5G1'44501006620102031M39×1.5G1'44501006825122531M39×1.5G1'4450100105A21W-160/160P15820/M24×2G1'445010026120825/M33×2G1'445010026125828/M36×2G1'4450100285