A28H type are used for the equipment and pipeline ofthe air, N2, H2 mixed gas vapour etc.medium what the working temp-erature are less than 200 . A28Y-P/10R8 type are used for the equipmentand pipeline of the quality with corrode medium what the working temperature are less than 200 . Take for extra pressure protedion devices.
主要零部件材料 Explanation of materials for main parts
NO.
Name of part
A28H Materials
A28Y-P Materials
A28Y-R8Materials
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 slite
10
Adjusting nut
Q235-A
2Cr13
1Cr18Ni12Mo2Ti
Sealing surface of material
"Y" Co Depositing slite, "H" D507 Depositing D507, "W" body