Scope of applicant:
Normnal pressure
|
1.6 MPa
|
|
suitable medium
|
water
|
|
pressure
|
shell
|
2.4 MPa
|
seat
|
1.76MPa
|
Technical requirement:
1.Design, manufacture conforms to DIN 3356.
2.Face to face dimension conform to Series 1 of BS EN 558-1.
3.Flange drilled conforms to BS EN1092-2.
DN
|
L
|
D
|
D1
|
D2
|
Do
|
B
|
f
|
n-d
|
H
|
50
|
230
|
165
|
125
|
102
|
140
|
20
|
3
|
4-19
|
242
|
65
|
290
|
185
|
145
|
122
|
140
|
20
|
3
|
4-19
|
257
|
80
|
310
|
200
|
160
|
138
|
175
|
22
|
3
|
8-19
|
295
|
100
|
350
|
220
|
180
|
158
|
175
|
24
|
3
|
8-19
|
327
|
125
|
400
|
250
|
210
|
188
|
250
|
26
|
3
|
8-19
|
415
|
150
|
480
|
285
|
240
|
212
|
250
|
26
|
3
|
8-23
|
485
|
200
|
600
|
340
|
295
|
268
|
300
|
30
|
3
|
12-23
|
585
|
250
|
730
|
405
|
355
|
320
|
350
|
32
|
3
|
12-28
|
658
|
300
|
850
|
460
|
410
|
378
|
350
|
32
|
4
|
12-28
|
726
|
34
|
cap
|
plastic
|
|
|
33
|
indication-cover of scale
|
ABS
|
ISO 2580
|
ISO 2580
|
32
|
indication-adjusting for zero
|
ABS
|
ISO 2580
|
ISO 2580
|
31
|
screw
|
steel
|
DIN C30
|
GB699-88 30
|
30
|
washer for eddying cover
|
brass
|
DIN17660 Cu-Zn39Pb2
|
YB146-71 HPb59-1
|
29
|
indication-eddying cover
|
ABS
|
ISO 2580
|
ISO 2580
|
28
|
handwheel
|
steel
|
DIN C10
|
GB699-88 10
|
27
|
washer
|
brass
|
DIN17660 Cu-Zn39Pb2
|
YB146-71 HPb59-1
|
26
|
bolt cover
|
plastic
|
|
|
25
|
bolt
|
steel
|
DIN17100 RSt37-2
|
GB700-88 Q235
|
24
|
orientation
|
brass
|
DIN17660 Cu-Zn39Pb2
|
YB146-71 HPb59-1
|
23
|
adjusting bolt
|
steel
|
DIN17100 RSt37-2
|
GB700-88 Q235
|
22
|
washer
|
steel
|
DIN 65Mn4
|
GB699-88 65Mn
|
21
|
stem bush
|
cast brass
|
DIN17656 G-CuZn37Pb
|
GB1176-87 ZCuZn40Pb2
|
20
|
O-ring
|
NBR
|
NBR
|
NBR
|
19
|
O-ring
|
NBR
|
NBR
|
NBR
|
18
|
bonnet bush
|
cast brass
|
DIN17656 G-CuZn37Pb
|
GB1176-87 ZCuZn40Pb
|
17
|
washer
|
brass
|
DIN17660 Cu-Zn39Pb2
|
YB146-71 HPb59-1
|
16
|
stem
|
brass
|
DIN17660 Cu-Zn39Pb2
|
YB146-71 HPb59-1
|
15
|
bonnet
|
cast iron
|
DIN1691 GG25
|
GB9439-88 HT250
|
14
|
O-ring
|
NBR
|
NBR
|
NBR
|
13
|
bolt
|
steel
|
DIN17100 RSt37-2
|
GB700-88 Q235
|
12
|
body gasket
|
graphite
|
Non-Asbestos
|
GB3518-83 LC35-999
|
11
|
adjusting stem
|
brass
|
DIN17660 Cu-Zn39Pb2
|
YB146-71 HPb59-1
|
10
|
stem nut
|
brass
|
DIN17660 Cu-Zn39Pb2
|
YB146-71 HPb59-1
|
9
|
washer
|
Asbestos
|
Asbestos
|
GB3985-95 X B200
|
8
|
stud
|
steel
|
DIN17100 RSt37-2
|
GB700-88 Q235
|
7
|
disc
|
cast iron
|
DIN1691 GG25
|
GB9439-88 HT250
|
6
|
disc seat ring
|
teflon
|
TEFLON
|
HG/T2902
|
5
|
body seat ring
|
stainless steel
|
DIN17440 X20Cr13
|
GB1220-92 2Cr13
|
4
|
disc cover
|
cast iron
|
DIN1691 GG25
|
GB9439-88 HT250
|
3
|
disc washer
|
brass
|
DIN17660 Cu-Zn39Pb2
|
YB146-71 HPb59-1
|
2
|
screw
|
steel
|
DIN C30
|
GB699-88 30
|
1
|
body
|
cast iron
|
DIN1691 GG25
|
GB9439-88 HT250
|
NO.
|
Name of part
|
Material
|
Germany standard
|
Chinese standard
|