
弹簧微启式外螺纹安全阀(A21H)
SKU:弹簧微启式外螺纹安全阀(A21H)
DeSCRJPTion:
系列 Series
A21F-16C 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
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。
A21F, A21H-C type are used for the equipment and pipeline of the air, ammonia, petroleum gas, etc. medium what the wor-king temperature are less than 200 . A21W-P, R type are used for the equipment and pipeline of the quality with corr ode gas and liquid medium shat the wor-king temperature are less than 200 . Take for extrapressure protection devices. KA21Y type are used for liquefied petroleum gas what the working temperature are less than 100
外形尺寸和连接尺寸 Dimensions (mm)
Type (DN)
Nominal diameter do d Do M d1 D1 L L1 H
KA21Y-16C A21H-16C A21H-40
A21W-16P A21W-40P KA21Y-16P 15 12 15 20 M27 1.5 G1/2" 30 35 76 66
20 16 20 25 M33 1.5 G3/4" 34 40 87 68
25 18 25 31 M39 1.5 G1" 40 50 100 105
A21Y-64
A21Y-64P A21Y-100
A21Y-100P 15 10 15 25 M39 1.5 G1" 44 50 100 66
20 10 20 31 M39 1.5 G1" 44 50 100 68
25 12 25 31 M39 1.5 G1" 44 50 100 105
A21W-160
/160P 15 8 20 / M24 2 G1" 44 50 100 261
20 8 25 / M33 2 G1" 44 50 100 261
25 8 28 / M36 2 G1" 44 50 100 285
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