Our flanged butterfly valves can be used in water conveyance systems, seawater pipeline systems, gas pipeline systems, and weak acid-base transport systems.
Basic Information
Size Range
DN40-DN1200
Temperature Range T
0-100℃
Maximum Allowable Operating Pressure PN
1.0-1.6Mpa
Pressure Rating
1.5-2.4Mpa (Shell) 1.1-1.76Mpa (Seal)
Applicable Media
Freshwater, seawater, air, weak acid-base, and so on.
EPDM, NBR, FTFE, silicone, fluoroelastomer, heat-resistant EPM, and wear-resistant EPM
9
Retaining Ring
50# Mangalloy
4
Upper Stem
45#, 304, 316, 420 Stainless Steel
10
Thrust Washer
45# Galvanized Steel
5
Lower Stem
45#, 420 Stainless Steel
11
Gasket
45#Galvanized Steel
6
Retaining Rod
UPVC, 45#
12
Lubricating Sleeve
PTFE
Specifications
Size
ØD
ØD1
ØD2
ØD3
n-Ød1
n-Ød2
H1
H2
H3
M*M
L
DN40
110
72
50
150
4-Ø18
4-Ø7
76
136
11
11*11
110
DN50
125
72
50
165
4-Ø18
4-Ø7
81
142
11
11*11
110
DN65
145
72
50
185
4-Ø18
4-Ø7
96
146
11
11*11
114
DN80
160
72
50
200
4-Ø18
4-Ø7
98
152
11
11*11
116
160
200
8-Ø18
DN100
180
92
70
220
8-Ø18
4-Ø10
111
175
14
14*14
129
DN125
210
92
70
250
8-Ø18
4-Ø10
128
181
17
17*17
142
DN150
240
92
70
285
8-Ø22
4-Ø10
143
200
17
17*17
142
DN200
295
125
102
340
8-Ø22
4-Ø12
172
233
22
22*22
154
295
340
12-Ø22
DN250
350
125
102
395
12-Ø22
4-Ø12
199
265
22
22*22
167
355
405
12-Ø26
DN300
400
150
125
445
12-Ø22
4-Ø14
231
298
27
27*27
180
410
460
12-Ø26
DN350
460
150
125
505
16-Ø22
4-Ø14
253
326
27
27*27
192
470
520
16-Ø26
DN400
515
175
140
565
16-Ø26
4-Ø18
266
367
40
36*36
218
525
580
16-Ø30
DN450
565
175
140
615
20-Ø26
4-Ø18
299
408
40
36*36
224
585
640
20-Ø30
DN500
620
210
165
670
20-Ø26
4-Ø22
327
434
50
46*46
231
650
715
20-Ø33
DN600
725
210
165
780
20-Ø30
4-Ø22
385
506
50
46*46
270
770
840
20-Ø36
DN700
840
300
254
895
24-Ø30
8-Ø18
456
556
70
64*64
293
840
910
24-Ø36
DN800
950
300
254
1015
24-Ø33
8-Ø18
487
604
70
64*64
318
950
1025
24-Ø39
DN900
1050
300
254
1115
28-Ø33
8-Ø18
555
688
80
74*74
328
1050
1125
28-Ø39
DN1000
1160
300
254
1230
28-Ø36
8-Ø18
621
738
80
74*74
413
1170
1255
28-Ø42
DN1200
1380
350
298
1455
32-Ø39
8-Ø22
775
925
90
84*84
473
1390
1485
32-Ø48
Certifications
Item
Standard
Optional Standard
Design & Manufacture
GB12238-89
ISO/DIN10631-91, AP1598
Face to Face Dimension
GB12221-89
ISO5752-88
Flange Connection
GB9113.1-2000, GB/T9119-2010
ANSI.B16.5, ISO7005, JIS2220:2004, DIN2532
Valve Test
GB/T13927-92
ISO/DIN 5208-87
Valve Mark
GB12220-89
ISO/DIN 5209-87
Valve Supply Requirements
GB/T12252
／
Secure Flange Connection
Flanged butterfly valves feature a raised surface on valve components that securely fits into a corresponding groove on the opposing surface, ensuring a reliable connection.
Ideal for Heavy-Duty Pipelines
The design of flanged butterfly valves makes them well-suited for heavy-duty pipeline applications where durability and dependability are crucial.
Versatile Performance
Crafted with high-quality materials and optimized design, our flanged butterfly valves exhibit excellent performance in both commercial and industrial settings, even in extreme temperature conditions.
Industrial Valve Manufacturer Since 2008
