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举报该信息| A21F、A21H-C型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，作为超压保护装置。KA21Y型适用于温度≤100℃的液化石油气等。 | ||||
| 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 | ||||
| 主要零部件材料 Explanation of materials for main parts | ||||
| NO. | 零件名称 | A21H-C/A21F KA21Y-C Materials | A21W-P/A21F-P KA21Y-P Materials | A21Y-R Materials |
| 1 | 管接头 | 20 | 1Cr18Ni9Ti | 1Cr18Ni12Mo2Ti |
| 2 | 管接头螺母 | 35 | 2Cr13 | 1Cr18Ni9Ti |
| 3 | 阀座 | 35 | 1Cr18Ni9Ti | 1Cr18Ni12Mo2Ti |
| 4 | 阀体 | 2Cr13 | 1Cr18Ni9Ti | 1Cr18Ni12Mo2Ti |
| 5 | 阀瓣 | 2Cr13/2Cr13+PTFE | 1Cr18Ni9Ti/1Cr18nI9Ti+PTFE | 1Cr18Ni12Mo2Ti |
| 6 | 弹簧座 | 2Cr13 | 1Cr18Ni9Ti | 1Cr18Ni12Mo2Ti |
| 7 | 弹簧 | 50CrVA | 50CrVA Coated Teflon | 50CrVA Coated Teflon |
| 8 | 锁紧螺母 | Q235-A | 2Cr13 | 1Cr18Ni9Ti |
| 9 | 弹簧导向垫 | 2Cr13 | 1Cr18Ni9Ti | 1Cr18Ni12Mo2Ti |
| 10 | 调节螺母 | Q235-A | 2Cr13 | 1Cr18Ni12Mo2Ti |
| 密封面材料 | "Y" Co Depositing stellite, "H" D507 Depositing D507, "W" body | |||
| 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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