带手柄弹簧全启式安全阀(A28H)

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  • 添加日期 2012-12-20

产品说明

带手柄弹簧全启式安全阀(A28H)

系列 Series

A28H-10 A28Y-10P A28Y-10R8 A28Y-25R8 A28Y-40R8 A28H-16 A28Y-16P A28Y-16R8 A28Y-25R8 A28Y-40R8
A28H型适用于工作温度≤200℃的空气、蒸汽、水、氮氢混合气等介质的设备或管路上,A28Y-P/10R8适用于工作温度≤200℃有腐蚀性介质的设备或管路上,作为超压保护装置。
主要零部件材料 Explanation of materials for main parts
NO. Name of part A28H Materials A28Y-P Materials A28Y-R8 Materials
1 Body HT200 ZG1Cr18Ni9Ti CF8M
2 Nozzle 35 ZG1Cr18Ni9Ti CF8M
3 Adjusting ring 2Cr13 1Cr18Ni9Ti 316
4 Disc 2Cr13 1Cr18Ni9Ti 316
5 Spring 50CrVA 50CrVA Coated Teflon 50CrVA Coated Teflon
6 Stem 2Cr13 2Cr13 316
7 Adjusting bolt 45 2Cr13 316
8 Cap ZG200-400 ZG200-400 CF8M
  Sealing surface of material D507
Depositing D507
Co
Depositing stellite
10 Adjusting nut Q235-A 2Cr13 1Cr18Ni12Mo2Ti
  Sealing surface of material "Y" Co Depositing stellite, "H" D507 Depositing D507, "W" body
外形尺寸和连接尺寸 Dimensions (mm)
Nominal diameter
DN (mm)
Dimensions (mm)
do Rc G L L1 H
15 10 1/2" 3/4" 37 62 189
20 12 3/4" 1" 40 65 196
25 15 1" 11/ "
4
45 72 277
32 20 11/ " 1 55 85 312
40 25 11/ " 2" 67 100 322
50 32 2" 21/ "
2
76 112 348
65 40 21/ " 3" 110 135 370
80 50 3" 4" 110 145 410