MAIN PATRS MATERIALS
| NO. |
Part name
|
Material
|
|
1
|
Body
|
GS-C25,CF8,CF3
|
|
2
|
Disc
|
1Cr13,F304,F316
|
|
3
|
Composite Washer
|
Flexible graphite+304 Flexible graphite+304,PTFE
|
|
4
|
Cover
|
GS-C25,CF8,CF3
|
|
5
|
Nut
|
ASTMA193 7,A193-8,A193-8M
|
|
6
|
Double-headed Bolt
|
ASTMA193 B7,A193-B8,A193-B8M
|
TECHNICAL SPECIFICASTION
| Design standard |
DIN3356
|
|
Face to face
|
DIN3202
|
|
Flange ends
|
DIN2543-2546
|
|
Test & inspection
|
DIN3230-75
|
PRODUCTS PERFORMANCE SPECIFICATION
| Nominal pressure(LB) |
Shell test (Mpa)
|
Sealing test (Mpa)
|
Suitable temp℃
|
Suitable medium
|
|
1.6
|
2.4
|
1.76
|
-20~425℃
|
Water, Steam, oil
|
|
2.5
|
3.75
|
2.75
|
|
4.0
|
6.0
|
4.4
|
|
Pressure
|
PN16
|
|
SIZE
|
15
|
20
|
25
|
32
|
40
|
50
|
65
|
80
|
100
|
125
|
150
|
200
|
250
|
300
|
|
L
|
130
|
150
|
160
|
180
|
200
|
230
|
290
|
310
|
350
|
400
|
480
|
600
|
730
|
850
|
|
H
|
70
|
70
|
80
|
80
|
85
|
95
|
110
|
130
|
155
|
165
|
215
|
285
|
325
|
365
|
|
Kv
|
2.4
|
3.0
|
3.8
|
5.7
|
7.4
|
10.3
|
15.2
|
20.4
|
31
|
49
|
69
|
132
|
198
|
278
|
|
Pressure
|
PN16
|
|
SIZE
|
15
|
20
|
25
|
32
|
40
|
50
|
65
|
80
|
100
|
125
|
150
|
200
|
250
|
300
|
|
L
|
130
|
150
|
160
|
180
|
200
|
230
|
290
|
310
|
350
|
400
|
480
|
600
|
730
|
850
|
|
H
|
70
|
70
|
80
|
80
|
85
|
95
|
110
|
130
|
155
|
165
|
215
|
285
|
325
|
365
|
|
Kv
|
2.4
|
3.0
|
3.8
|
6
|
8
|
11
|
16
|
21
|
32
|
51
|
70
|
136
|
318
|
330
|
|
Pressure
|
PN16
|
|
SIZE
|
15
|
20
|
25
|
32
|
40
|
50
|
65
|
80
|
100
|
125
|
150
|
200
|
250
|
300
|
|
L
|
130
|
150
|
160
|
180
|
200
|
230
|
290
|
310
|
350
|
400
|
480
|
600
|
730
|
850
|
|
H
|
70
|
70
|
80
|
80
|
85
|
95
|
110
|
130
|
155
|
165
|
215
|
285
|
325
|
365
|
|
|
2.4
|
3.0
|
3.8
|
7.1
|
10.4
|
12.7
|
22.5
|
28
|
40
|
64
|
90
|
170
|
240
|
370
|
|
Product Type
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