Company Details
  • Gongyi Liangda Tubes Co., LTD

  •  [Henan,China]
  • Business Type:Distributor/Wholesaler , Manufacturer
  • Main Mark: Africa , Americas , Asia , Caribbean , East Europe , Europe , Middle East , North Europe , Oceania , Other Markets , West Europe , Worldwide
  • Description:Flanged Butterfly Valve,Flange Expansion Butterfly Valve,Soft-Sealing Flange Butterfly Valve
Gongyi Liangda Tubes Co., LTD Flanged Butterfly Valve,Flange Expansion Butterfly Valve,Soft-Sealing Flange Butterfly Valve
Home > Products > Butterfly Valve > Resilient Seated Flange Butterfly Valve > Flange Expansion Butterfly Valve

Flange Expansion Butterfly Valve

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Additional Info

Place of Origin: China

Product Description

Flange Expansion Butterfly Valve
Flange expansion Butterfly Valve is easy to loading and unloading, flange expansion Butterfly Valve can work at below 425 ℃. Nominal pressure: 1.6 Mpa.
Application: Petroleum, chemical, electric power, papermaking, Water supply and drainage pipeline, regulate the flow and truncation the flow.

Benefit and Features:
1, Unique structure, light weight, labor-saving, easy to openning and closing.
2, Flange expansion Butterfly Valve can compensate pipe for expansion caused by heat and contraction caused by cold, and it is easy installation and replaced.
3,Sealing parts are adjustable replacement, sealed performance is good.

Standards:
Design standard is according to DIN, ANSI/BS/JIS/EN are also available upon request.
Unit(mm)

Pipe Size(mm)
Dimension
Flange Dimension and Bolt Dimension
H
H1
Min Length
A
PN0.6MPa
PN1.0MPa
PN1.6MPa
D
D2
n-d
D1
n-d
D1
D2
n-d
50
80
309
156
180
140
88
4--14
125
4--18
125
99
4--18
65
95
337
160
180
160
108
4--14
145
4--18
145
118
4--18
80
98
347
166
180
190
124
4--18
160
8--18
160
132
8--18
100
114
373
188
180
210
144
4--18
180
8--18
180
156
8--18
125
128
405
201
180
240
174
4--18
210
8--18
210
184
8--18
150
139
440
206
270
265
199
4--18
240
8--22
240
211
8--22
200
174
612
219
400
320
254
4--18
295
8--22
295
266
12--22
250
215
693
240
400
375
309
12--18
350
12--22
355
319
12--22
300
245
747
254
450
440
363
12--22
400
12--22
410
370
12--26
350
270
802
272
450
490
413
12--22
460
16--22
470
429
16--26
400
305
991
308
535
540
463
16--22
515
16--26
525
480
16--30
450
325
1037
310
535
595
518
16--22
565
20--26
585
548
20--30
500
360
1127
332
535
645
568
20--22
620
20--26
650
609
20--33
600
445
1377
375
570
755
667
20--26
725
20--30
770
720
20--36
700
505
1496
400
750
860
772
24--26
840
24--30
840
794
24--36
800
560
1584
445
750
975
878
24--30
950
24--33
950
901
24--39
900
630
1676
460
750
1075
978
24--30
1050
28--33
1050
1001
28--39
1000
680
1760
530
900
1175
1078
28--30
1160
28--36
1170
1112
28--42
1200
795
2018
571
1000
1405
1295
32--33
1380
32--39
1390
1328
32--48
1400
900
2363
683
1000
1630
1510
36--36
1590
36--42
1590
1530
36--48
1600
1100
2723
770
1000
1830
1710
40--36
1820
40--48
1820
1750
40--56
1800
1124
2844
830
1100
2045
1718
44--39
2020
44--48
2020
1950
44--56
2000
1292
3127
920
1100
2265
2125
48--42
2230
44--48
2230
2150
48--62
Note:Any other standards are also available

Pressure Test(MPa)

Pressure
strength
water seal
air seal
1
1.5
1.1
0.6
1.6
2.4
1.8
2.5
3.75
2.75

Components/Material/Functions

Body
Plate
Rod
Seat
Seal ring
Applicable
temperature
Applicable
medium
Seal ring
Applicable
temperature
Applicable
medium
WCB+ENP
1Cr13
1Cr18Ni9Ti
/1Cr18Ni9Ti
Soft
graphite
-29-425℃
Water.
Steam.
Oil
Soft
graphite
-29-425℃
Water.
Steam.
Oil
WCB
WC6
WC6+STL
25Cr2MoV
-29-550℃
-29-550℃
CF8
CF8+STL
1Cr18Ni9Ti
polytet
rafluoroe
thylene
(PTFE)
-40-200℃
Nitric acid
polytet
rafluoroe
thylene
(PTFE)
-40-200℃
Nitric acid
CF8M
CF8M+STL
1Cr18Ni12
Mo2Ti
Natural rubber,
Nitrilerubber,
Fluorine rubber,
Ethylene propylene rubber/NR. NBR .FPN .EPDM
Acetic acid
Acetic acid
HT200
WCB+ENP
1Cr13
Soft
graphite
≦150℃
Water.Sewage
Brine.Steam
Food.Drug
Oil.Ph..
Soft
graphite
≦150℃
Water.Sewage
Brine.Steam
Food.Drug
Oil.Ph..
QT400-15
QT400-18+ENP
1Cr13

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Product Categories : Butterfly Valve > Resilient Seated Flange Butterfly Valve

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