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Phone
18968916605
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Address
No. 20 Industrial Road, Dongfang Industrial Zone, Oubei Town, Yongjia County, Zhejiang Province
Zhejiang Shige Fluid Technology Co., Ltd
18968916605
No. 20 Industrial Road, Dongfang Industrial Zone, Oubei Town, Yongjia County, Zhejiang Province
Application and characteristics of D641F pneumatic flange butterfly valve:
Soft sealed butterfly valves are suitable for food, medicine, chemical, petroleum, and electricity industries with temperatures ≤ 120 ℃ and nominal pressures ≤ 16MPa; The function of regulating flow and intercepting media on water supply and drainage, gas pipelines, and other industries such as metallurgy, urban construction, textile, and papermaking.
The main features of D641X pneumatic flange soft seal butterfly valve are:
1. Novel and reasonable design, unique structure, light weight, and quick opening and closing.
2. Small operating torque, easy to operate, labor-saving and agile.
3. Easy to install and maintain in any location.
4. The seals can be replaced, and the sealing performance is reliable, achieving bi-directional sealing with zero leakage.
5. The sealing material has the characteristics of aging resistance, corrosion resistance, and long service life.
The D641H pneumatic flange hard seal butterfly valve adopts the standard:
Design standard: GB/T12238-1989;
ISO 10631-1994 or BS EN593-1998
Flange connection dimensions: GB/T17241.6-1998:
IS0 7005-2 or BSEN 1092-2002
Structural length: GB/T 2221-1989:
LS0 5752-1988 or BS EN558-1
Pressure test: GB/T13927-1 992; JB/T9092-1999;
LS0 5028-1993 or BS 6755-l-1986
D641F typepneumatic butterfly valveMain technical parameters
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Nominal Diameter
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DNmm
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50~2000
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||
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nominal pressure
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PNMPa
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0.6
|
1.O
|
1.6
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Test pressure PsMPa
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strength test
|
0.9
|
1.5
|
2.4
|
|
Sealing test
|
O.66
|
1.1
|
1.76
|
|
|
Applicable Medium
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Air, water, sewage, steam, gas, oil, etc
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|||
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Drive form
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Manual, worm gear drive, pneumatic drive, electric drive
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|||
D641F typepneumatic butterfly valveThe materials of the main components
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Part name
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material
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valve body
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Ductile iron, cast steel, alloy steel, stainless steel
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|
Disc
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Grey cast iron, ductile iron, cast steel, stainless steel, and special materials
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sealing ring
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Various types of rubber, polytetrafluoroethylene
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valve stem
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2Cr13、 stainless steel
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filler
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O-ring, flexible graphite
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Butterfly valve sealing material
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Material variety
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chloroprene rubber
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Nitrile rubber
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EPDM
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PTFE
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silicon rubber
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VITON
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code
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X or 0rJ
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XA or orJA
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XB or orJB
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XC, JC or 0rF
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XD or orJD
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X E or orJE
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|
Maximum temperature resistance
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82℃
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93℃
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150℃
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232℃
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250℃
|
204℃
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|
Minimum temperature resistance
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-40℃
|
-40℃
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-40℃
|
-268℃
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-70℃
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-23℃
|
|
Applicable working temperature
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≤65℃
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≤80℃
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≤120℃
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≤200℃
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≤200℃
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≤180℃
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External dimensions and connection dimensions of flange butterfly valve
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Nominal Diameter
DN(mm) |
Size (mm)
|
||||||
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L
|
1.0MPa
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1.6MPa
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|||||
|
D
|
D1
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Z-Φd
|
D
|
D1
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Z-Φd
|
||
|
50
|
108
|
165
|
125
|
4-18
|
165
|
125
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4-18
|
|
65
|
112
|
185
|
145
|
4-18
|
185
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145
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4-18
|
|
80
|
114
|
200
|
160
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8-18
|
200
|
160
|
8-18
|
|
100
|
127
|
220
|
180
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8-18
|
220
|
180
|
8-18
|
|
125
|
140
|
250
|
210
|
8-18
|
250
|
210
|
8-18
|
|
150
|
140
|
285
|
240
|
8-22
|
285
|
240
|
8-22
|
|
200
|
152
|
340
|
295
|
8-22
|
340
|
295
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12-22
|
|
250
|
165
|
395
|
350
|
12-22
|
405
|
355
|
12-26
|
|
300
|
178
|
445
|
400
|
12-22
|
460
|
410
|
12-26
|
|
350
|
190
|
505
|
460
|
16-22
|
520
|
470
|
16-26
|
|
400
|
216
|
565
|
515
|
16-26
|
580
|
525
|
16-30
|
|
450
|
222
|
615
|
565
|
20-26
|
640
|
585
|
20-30
|
|
500
|
229
|
670
|
620
|
20-26
|
710
|
650
|
20-33
|
|
600
|
267
|
780
|
725
|
20-30
|
840
|
770
|
20-36
|
|
700
|
292
|
895
|
840
|
24-30
|
910
|
840
|
24-36
|
|
800
|
318
|
1015
|
950
|
24-33
|
1025
|
950
|
24-39
|