VIP member
A28H external thread fully open safety valve
A28H external thread fully open safety valve is suitable for equipment or pipelines with working temperature ≤ 200 ℃ for media such as air, steam, wat
Product details
A28H external thread fully open safety valve is suitable for equipment or pipelines with working temperature ≤ 200 ℃ for media such as air, steam, water, nitrogen hydrogen mixture, etc. RA28Y-P/10R8 is suitable for equipment or pipelines with working temperature ≤ 200 ℃ and corrosive media as an overpressure protection device.
Material for main parts
|
NO.
|
Part name
|
A28H material
|
A28Y-P material
|
A28Y-R8 material
|
|
1
|
valve body
|
HT200
|
ZG1Cr18 Ni9Ti
|
CF8M
|
|
2
|
valve seat
|
35
|
ZG1Cr18 Ni9Ti
|
CF8M
|
|
3
|
Adjusting ring
|
2Cr13
|
1Cr18 Ni9Ti
|
316
|
|
4
|
Valve flap
|
2Cr13
|
1Cr18 Ni9Ti
|
316
|
|
5
|
spring
|
50CrVA
|
50CrVA coated fluoroplastic
|
50CrVA coated fluoroplastic
|
|
6
|
valve stem
|
2Cr13
|
2Cr13
|
316
|
|
7
|
Adjusting the screw
|
45
|
2Cr13
|
316
|
|
8
|
Protective cover
|
ZG200-400
|
ZG200-400
|
CF8M
|
|
Sealing surface material
|
Surfacing weldingD507
|
Surfacing weldingCo based hard alloy
|
||
Main overall dimensions
|
Nominal Diameter
|
size
|
|||||
|
do
|
Rc
|
G
|
L
|
L1
|
H
|
|
|
15
|
10
|
1/2'
|
3/4'
|
37
|
62
|
189
|
|
20
|
12
|
3/4'
|
1'/TD>
|
40
|
65
|
196
|
|
25
|
15
|
1'
|
11/4'
|
45
|
72
|
277
|
|
32
|
20
|
11/4'
|
11/2'
|
55
|
85
|
312
|
|
40
|
25
|
11/2'
|
2'
|
67
|
100
|
322
|
|
50
|
32
|
2'
|
21/2'
|
76
|
112
|
348
|
|
65
|
40
|
21/2'
|
3'
|
110
|
135
|
370
|
|
80
|
60
|
3'
|
4'
|
110
|
145
|
410
|
Online inquiry
-
Contacts
-
Company
-
Telephone
-
Email
-
WeChat
-
Verification Code
-
Message Content
-