Nominal
pressure(Mpa)
|
Strength test
pressure(Mpa)
|
Seal test pressure(Mpa)
|
Seal test pressure(Mpa)
|
Working temperature(℃)
|
|||
380
|
425
|
540
|
570
|
||||
The maximum working pressure(Mpa)
|
|||||||
1.6
|
2.4
|
1.75
|
0.6
|
1.6
|
0.9
|
|
|
2.5
|
3.75
|
2.75
|
0.6
|
2.5
|
1.4
|
|
|
4
|
6
|
4.4
|
0.6
|
4
|
2.3
|
|
|
6.4
|
9.6
|
7.05
|
0.6
|
6.4
|
3.7
|
|
|
10
|
15
|
11
|
0.6
|
10
|
5.8
|
|
|
16
|
17.6
|
17.6
|
0.6
|
16
|
9
|
|
|
32
|
48
|
35.2
|
0.6
|
32
|
18.6
|
|
|
P54 10
|
30
|
12.5
|
0.6
|
|
|
10
|
|
P54 14
|
42
|
17.5
|
0.6
|
|
|
14
|
|
P57 14
|
56
|
17.5
|
0.6
|
|
|
|
14
|
P57 17
|
63
|
21.25
|
0.6
|
|
|
|
17
|
|
|
|
|
|
|
|
|
NO.
|
part name
|
1.6~32.0(Mpa)
|
P 54 100、P 54 140
|
P 57 140、P 57 170
|
1
|
Body
|
Forged steel 25
|
Forged steel 12Cr1MoV
|
F91
|
2
|
Bonnet
|
Forged steel 25
|
Forged steel 12Cr1MoV
|
F91
|
3
|
Stem
|
2Cr13
|
25Cr2MoV
|
25Cr2MoV
|
4
|
Disc
|
Forged steel 25 + carbide
|
12Cr1MoV+STL
|
F91+STL
|
5
|
Cage set
|
Forged steel 25
|
Forged steel 12Cr1MoV
|
Forged steel 12Cr1MoV
|
6
|
Spring
|
INCONELX-750
|
INCONELX-750
|
INCONELX-750
|
Nominal diameter
|
10
|
15
|
20
|
25
|
32
|
40
|
50
|
65
|
80
|
100
|
Structure length(L=mm)
|
200
|
200
|
240
|
240
|
240
|
300
|
300
|
400
|
400
|
480
|