| 安全閥A21W-16P
A21W-16P安全閥 A21W-16P螺紋安全閥
安全閥A21F-16C 安全閥A21H-16C A21H-40C安全閥 A21H-64C A21Y-100C A21H-160C 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
名稱：彈簧微啟式外螺紋安全
型號：A21W-16P
通徑：15-20mm
壓力：16-160MPa
材質：304 WCB
A21F、A21H-C型適用于工作溫度≤200℃的空氣、氨、石油氣……等介質的設備或管路上。A21W-P、R型適用于溫度≤200℃有腐蝕性的氣體或液體的設備或管路上，作為超壓保護裝置。KA21Y型適用于溫度≤100℃的液化石油氣等 【主要零部件材料】 | 3
| 閥座
| 35
| 1Cr18Ni9Ti
| 1Cr18Ni12Mo2Ti
| | 4
| 閥體
| 2Cr13
| 1Cr18Ni9Ti
| 1Cr18Ni12Mo2Ti
| | 5
| 閥瓣
| 2Cr13/2Cr13+PTFE
| 1Cr18Ni9Ti/1Cr18Ni9Ti+PTFE
| 1Cr18Ni12Mo2Ti
| | 6
| 彈簧座
| 2Cr13
| 1Cr18Ni9Ti
| 1Cr18Ni12Mo2Ti
| | 7
| 彈簧
| 50CrVA
| 50CrVA包覆氟塑料
| 50CrVA包覆氟塑料
| | 8
| 鎖緊螺母
| Q235-A
| ZG230-450
| 1Cr18Ni9Ti
| | 9
| 彈簧導向墊
| 2Cr13
| 1Cr18Ni9Ti
| 1Cr18Ni12Mo2Ti
| | 10
| 調節螺母
| Q235-A
| 2Cr13
| 1Cr18Ni12Mo2Ti
| | 密封面材料
| "Y"型堆焊Co基硬質合金,"H"型堆焊D507,"W"型為閥門本體 | | 【外形尺寸和連接尺寸 】 | 型號
| A21外螺紋型公稱通徑
| do
| d
| Do
| M
| d1
| D1
| L
| L1
| H
| | KA21-16C
A21H-16C
A21H-40
A21W-16P
A21W-40P
KA21-16P
| 15
| 12
| 15
| 20
| M27×1.5
| G1/2"
| 30
| 35
| 76
| 66
| | 20
| 16
| 20
| 25
| M33×1.5
| G3/4"
| 35
| 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 | | NO.
| A21外螺紋型零件名稱
| A21H-C/A21F材料
| A21W-P/A21F-P材料
| A21Y-R材料
| | 1
| 管接頭
| 20
| 1Cr18Ni9Ti
| 1Cr18Ni12Mo2Ti
| | 2
| 管接頭螺母
| 35
| 2Cr13
| 1Cr18Ni9Ti
| | | | | | |
