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Product Name: Double Flange Concentric Type Butterfly Valve
Double Flange Concentric Type Butterfly Valve

Specification
Design standard: API609; EN593,etc
Face to Face: DIN3202-K1,EN558-1 20 Series;BS5155,MSS SP-67
Flange Drilling: DIN2501PN10/PN16; BS10-D; JIS10K;BS4504; ANSI125/150; AS2129 Table D/E; ASA125/150 etc.
Test Standard: API 598
Size: 2"-48"

Materials
NO
Part Name
Material
1
Body
Cast Iron, Ductile Iron
2
Disc
Ductile Iron+Ni,CF8,CF8M,C954,C955,DUPLEX SS
3
Stem
SS410,SS304,SS316
4
Pin
Stainless Steel
5
Seat
EPDM,NBR,Viton,PTFE
6
"O"Ring
EPDM,NBR
7
Bushing
PTFE,Bronze
 
Dimensions (FLANGE DRILLING: DIN2533 PN16)
Size
L
D
D1
n-d1
b1
H1
H2
H3
c
E
E1
n-do
Flange No.
DN100
52
220
180
8-18
13
114
200
32
15.77
90
70
4-10
F 0 7
DN125
54.36
250
210
8-18
16
127
213
32
18..92
90
70
4-10
F 0 7
DN150
55.7
285
240
8-22
16
139
226
32
18.92
90
70
4-10
F 0 7
DN200
60.1
340
295
12-22
19
175
260
40
22.1
125
102
4-12
F 1 0
DN250
65.63
405
355
12-26
19
203
292
40
28.45
125
102
4-12
F 1 0
DN300
76.5
460
410
12-26
24
242
337
40
31.6
125
102
4-12
F 1 0
DN350
76
520
470
16-26
26
267
368
45
31.6
125
102
4-12
F 1 0
DN400
86
580
525
16-30
28
297
400
51.2
33.15
175
140
4-18
F 14
DN450
105
640
585
20-30
30
318
422
51.2
38
175
140
4-18
F 14
DN500
127
715
650
20-33
30
348
480
64.2
41.15
175
140
4-18
F 14
DN600
151
840
770
20-36
31
444
562
70.2
50.65
210
165
4-22
F 16
DN700
162
910
840
24-36
35
505
623.9
66
63.35/55
300
254
8-18
F 25
DN750
166
975
900
24-26
35
520
646
66
63.35/55
300
254
8-18
F 25
DN800
187
1025
950
24-39
39
565
672
66
63.35/55
300
254
8-18
F 25
DN900
202
1125
1050
28-39
41
637
720
118
75
300
254
8-18
F 25
DN1000
215
1255
1170
28-42
45
700
800
142
85
300
254
8-18
F 25
DN1200
276
1485
1390
32-48
54
844.1
940.7
160
105
350
298
8-22
F 30
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