|
A28H-16C外螺紋彈簧式安全閥、永一蒸汽安全閥主要零部件材料
|
NO.
|
零件名稱
|
A28H材料
|
A28Y-P材料
|
A28Y-R8材料
|
|
1
|
閥體
|
HT200
|
ZG1Cr18Ni9Ti
|
CF8M
|
|
2
|
閥座
|
35
|
ZG1Cr18Ni9Ti
|
CF8M
|
|
3
|
調(diào)節(jié)圈
|
2Cr13
|
1Cr18Ni9Ti
|
316
|
|
4
|
閥瓣
|
2Cr13
|
1Cr18Ni9Ti
|
316
|
|
5
|
彈簧
|
50CrVA
|
50CrVA包覆氟塑料
|
50CrVA包覆氟塑料
|
|
6
|
閥桿
|
2Cr13
|
2Cr13
|
316
|
|
7
|
調(diào)整螺桿
|
45
|
2Cr13
|
316
|
|
8
|
保護(hù)罩
|
ZG200-400
|
ZG200-400
|
CF8M
|
|
|
密封面材料
|
堆焊D507
|
堆焊Co基硬質(zhì)合金
|
A28H-16C外螺紋彈簧式安全閥、永一蒸汽安全閥外形尺寸和連接尺寸
|
公稱通徑
|
尺寸
|
|
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
|
11/4"
|
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
|
|
