Custom Fire Fighting Pipes,Seamless and Welded Steel Pipes Manufacturer Since 1991.

Flange Butterfly Valve with Gear Operation

Flange butterfly valve is a butterfly valve with flange connection which use the worm gear to control the disc for opening and closing.

Example Seamless Size

Note: Some of the main specifications are shown below, please contact us for more details.
SIZE
A
B
C
L
ANSI 150B
DIN PN 10
DIN PN 16
JIS 10K
Top Flange
mm
in
øK
N-ød
øK
N-ød
øK
N-ød
øK
N-ød
øD
øD1
N-øG
65
22/1″
72
136
32
112
139.7
4-ø19
145
4-ø18
145
4-ø18
140
4-ø19
77
57
4-ø7
80
3″
88
146
32
114
152.4
4-ø19
160
8-ø18
160
8-ø18
150
8-ø19
65
50
4-ø7
100
4″
96.5
158
32
127
190.5
4-ø19
180
8-ø18
180
8-ø18
175
8-ø19
90
70
4-ø10
125
5″
115
179
32
140
215.9
8-ø19
210
8-ø18
210
8-ø18
210
8-ø23
90
70
4-ø10
150
6″
126
197
32
140
241.3
8-ø22.4
240
8-ø22
240
8-ø22
240
8-ø23
90
70
4-ø10
200
8″
161
230
45
152
298.4
8-ø22.4
295
8-ø22
295
12-ø22
290
12-ø23
115
89
4-ø14

One-stop service to facilitate your purchase

The Lai Group continues to provide service and support after your purchase. To save you time, we offer you numerous value-added services such as processing, logistics management and testing.

Processing Services:

For more information, please contact our service team.

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