Check valve
Name：H41H-16
Details
DESCRIPTION:
- Flange drilled conforms to BS EN1092.
- Face to face dimension conforms to Series 1 of BS EN558-1.
SCOPE OF APPLICATION :
DIMENSIONS—MILLIMETERS:
|
Norminal pressure
|
1.6MPa
|
|
Shell
|
2.4MPa
|
|
Seat
|
1.76MPa
|
|
Suitable medium
|
water,oil,steam
|
|
Temperature
|
≤200°C
|
DIMENSIONS—MILLIMETERS:
|
DN
|
L
|
D
|
D1
|
D2
|
B
|
f
|
n-d
|
|
15
|
130
|
95
|
65
|
46
|
14
|
2
|
4-14
|
|
20
|
150
|
105
|
75
|
56
|
16
|
2
|
4-14
|
|
25
|
160
|
115
|
85
|
65
|
16
|
3
|
4-14
|
|
32
|
180
|
140
|
100
|
76
|
18
|
3
|
4-19
|
|
40
|
200
|
150
|
110
|
84
|
18
|
3
|
4-19
|
|
50
|
230
|
165
|
125
|
99
|
20
|
3
|
4-19
|
|
65
|
290
|
185
|
145
|
118
|
20
|
3
|
4-19
|
|
80
|
310
|
200
|
160
|
132
|
22
|
3
|
8-19
|
|
100
|
350
|
220
|
180
|
156
|
24
|
3
|
8-19
|
|
125
|
400
|
250
|
210
|
184
|
26
|
3
|
8-19
|
|
150
|
480
|
285
|
240
|
211
|
26
|
3
|
8-23
|
|
200
|
600
|
340
|
295
|
266
|
30
|
3
|
12-23
|
|
250
|
730
|
405
|
355
|
319
|
32
|
3
|
12-28
|
|
300
|
850
|
460
|
410
|
370
|
32
|
4
|
12-28
|
MATERIAL LIST:
|
NO.
|
Name of part
|
Material
|
Germany standard
|
Chinese standard
|
|
1
|
body
|
cast iron
|
DIN1691 GG25
|
GB9439-88 HT250
|
|
2
|
body seat ring
|
stainless steel
|
DIN17440 X20Cr13
|
GB1220 2Cr13
|
|
3
|
disc seat ring
|
stainless steel
|
DIN17440 X20Cr13
|
GB1220 2Cr13
|
|
4
|
disc
|
cast iron
|
DIN1691 GG25
|
GB9439-88 HT250
|
|
5
|
spring
|
stainless steel
|
DIN17440 X5CrNi189
|
GB1220-92 0Cr19Ni9
|
|
6
|
bushing
|
brass
|
DIN17656 Cu-Zn39Pb2
|
YB146-71 HPb59-1
|
|
7
|
nut
|
steel
|
DIN17100 RSt37-2
|
GB700-88 Q235
|
|
8
|
gasket
|
graphite
|
|
GB3518-83 LC35-999
|
|
9
|
bonnet
|
cast iron
|
DIN1691 GG25
|
GB9439-88 HT250
|
|
10
|
bolt
|
steel
|
DIN17100 RSt37-2
|
GB700-88 Q235
|