The stem of the extended stem butterfly valve can be customized in length according to the requirements of the working conditions, with simple structure and convenient installation. The extended stem butterfly valve use in underground pipelines or where valves are not easily accessible. It is suitable for ship base, chemical industry, petrochemical and other industries.
Product Features
The valve seat of the extended stem butterfly valve can be replaced, and the sealing performance is zero leakage.
The operating torque is small, the operation is convenient, labor-saving and dexterous.
It can be installed at any position and is easy to maintain.
As long as the sealing material of the sealing valve seat is replaced, it can be used in different media.
The valve body is coated with epoxy powder, which can effectively prevent corrosion.
Technical Parameters
Size
L
A
B
S
H
ISO5211
PN10
PN16
150LB
JIS5K
JIS10K
mm
in
Top flange
φE
φF
n-φd1
φD1
N-φd
φD1
N-φd
φD1
N-φd
φD1
N-φd
φD1
N-φd
50
2
42
131.5
71.6
9
25
F05
65
50
4-8
125
4-19
125
4-19
120.5
4-18
105
4-15
120
4-19
65
2.5
44.7
138
82
9
25
F05
65
50
4-8
145
4-19
145
4-19
139.5
4-18
130
4-15
140
4-19
80
3
45.2
152.8
94.5
9
25
F05
65
50
4-8
160
8-19
160
8-19
152.5
4-18
145
4-19
150
8-19
100
4
52.1
167.5
107
11
28
F07
90
70
4-10
180
8-19
180
8-19
190.5
8-18
165
8-19
175
8-19
125
5
54.4
182.5
124.5
14
28
F07
90
70
4-10
210
8-19
210
8-19
216
8-22
200
8-19
210
8-23
150
6
55.8
195
136.5
14
28
F07
90
70
4-10
240
8-23
240
8-23
241.5
8-22
230
8-19
240
8-23
200
8
60.6
235
169
17
35
F10
125
102
4-12
295
8-23
295
12-23
298.5
8-22
280
8-23
290
12-23
250
10
65.6
267
207
22
40
F10
125
102
4-12
350
12-23
355
12-28
362
12-26
345
12-23
355
12-25
300
12
76.5
305
236
22
40
F10
125
102
4-12
400
12-23
410
12-28
432
12-26
390
12-23
400
16-25
Technical Standard
Design and manufacture according to API609.
Face to face according to API609.
End flange according to ANSI B16.1 class125, BS4504 PN10/PN16, DIN2501 PN10/PN16.
Extended stem butterfly valve
Description
Product Introduction
The stem of the extended stem butterfly valve can be customized in length according to the requirements of the working conditions, with simple structure and convenient installation. The extended stem butterfly valve use in underground pipelines or where valves are not easily accessible. It is suitable for ship base, chemical industry, petrochemical and other industries.
Product Features
Technical Parameters
Technical Standard
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