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Product Name:DIN3202-K3 Flanged Double-eccentric Butterfly Valve
Flange Type Double-eccentric Butterfly Valve

Specification
Structre type: Double-eccentric Butterfly Valve
Design standard: BS 5155
Flange connection dimension: DIN 2533 PN16, BS 4504 PN16
Structure length: DIN3202 K3
Pressure test:  DIN 3230
 
Application
1. The materials of parts are selected excelletly
2. This valve adopts double-eccentric construction.Small friction of Seat and torque during opening orclosing.
3. The disk is trussframed with plates and flow resistant is lower.
4. It has reliable sesling structure for two-way stoping without leakage.
5. The rubberfly seal ring could be replaced on pipeline without removing the valve( DN>700)
6. The axle sleeves are selflubricated beaing,oiling is out need and friction drag is small  during operation.
Materials
NO.
Part Name
Material
Qty
1
Bolt
WCB
4
2
Cover
GG25-GGG40
1
3
Gasket
EPDM/NBR
1
4
Adjust Gasket
2Gr13/SS416
1
5
Trust Cooler
2Gr13/SS416
1
6
Bushing
PTFE/Brass
2
7
Seat
NBR/EPDM
1
8
Seat Ring
WCB/SS304/SS316
1
9
Bolt
WCB
?
10
Washer
65Mn
?
11
Down Shaft
SS410/SS416/SS304
1
12
Disc
GG25/GGG40
1
13
Up Shaft
WCB/SS416/SS316
1
14
Pin
SS410/SS416
3
15
Body
GG25/GGG40
1
16
Stuffing Washer
WCB/SS304/SS316
1
17
Stuffing
EPDM/NBR/PTFE
?
18
Gland
WCB/SS304/SS316
?
19
Bolt
WCB
?
20
Nut
WCB
?
21
Stud
WCB
2
22
Nut
WCB
2
23
Yoke
GG25/GGG40
1
24
Bolt
Q235-A/321
?
25
Key
45/WCB
1-2
26
Wormgear
BODY-GG25/GGG40
1
27
Scutcheon
H62 ZCnZn38Pb2Mn2
1
28
Rivet
L3
4
29
Pin
WCB
2
 
Dimensions
Size
L
D
D1
D2
b
n-?d1
4-M
H
H1
H2
B1
B2
KG
DN100
64
220
180
158
24
4-18
4-M16
446
242
122
127
48
14
DN150
76
285
240
212
26
4-23
4-M20
521
290
153
225
58
21
DN200
89
340
295
268
30
8-23
4-M20
690
360
216
231
70
53
DN250
114
405
355
320
32
8-27
4-M24
800
417
219
231
95
81
DN300
114
460
410
378
32
8-27
4-M24
950
542
267
449
178
128
DN350
127
520
470
438
36
12-27
4-M24
1048
583
315
449
178
156
DN400
140
580
525
490
38
12-30
4-M27
1120
620
350
449
178
205
DN450
152
640
585
548
40
16-31
4-M27
1190
667
373
449
178
228
DN500
152
715
650
610
42
16-33
4-M30
1280
702
428
486
196
242
DN600
178
840
770
725
48
16-36
4-M33
1409
809
450
627
244
414
DN700
229
910
840
793
54
20-36
4-M33
1600
935
515
627
244
522
DN800
241
1025
950
900
58
20-39
4-M36
1736
1013
573
635
270
689
DN900
241
1125
1050
1000
62
24-39
4-M36
1860
1071
639
635
270
804
DN1000
300
1255
1170
1116
66
24-42
4-M39
2107
1234
723
955
455
1177
DN1100
350
1355
1280
1218
66
28-42
4-M39
2326
1234
833
955
455
1300
DN1200
350
1485
1390
1330
66
28-49
4-M45
2326
1343
833
955
455
1508
DN1400
390
1685
1590
1530
66
36-49
\
2326
1343
985
1145
515
3200
DN1600
440
1930
1820
1750
70
40-56
\
2900
1559
1190
1145
515
4900
DN1800
490
2130
2020
1950
70
44-56
\
3600
1975
1420
1543
708
7575
DN2000
540
2345
2230
2150
75
48-62
\
4000
2085
1615
1543
708
10210
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