Wafer soft sealing butterfly valve

Ever-Power Machinery provides customers with high-qualityWafer soft sealing butterfly valve product.Adhering to the tenet of "Quality First, Integrity Service", we will provide users with high-quality products and services with reasonable prices and reliable quality!


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D71X Wafer Soft Seal Butterfly Valve
Product model: D71X
product description:

  The soft sealing centerline wafer butterfly valve developed by our company, the double eccentric flange butterfly valve has compact structure, easy 90° rotary switch, reliable sealing, and long service life. It is widely used in water plants, power plants, steel plants, papermaking, chemical industry, etc. It is used for regulation and cut-off in the water supply and drainage of food and other systems.


Product structure features:


1. This valve adopts a double eccentric structure, which has a tighter sealing function as it closes, and its sealing performance is reliable.
2. The sealing material is matched with stainless steel and nitrile oil-resistant rubber, which has a long service life.
3. The rubber sealing ring can be located on the valve body or on the butterfly plate, which can be applied to different characteristics of media for users to choose.
4. The butterfly plate adopts a frame structure with high strength, large flow area and small flow resistance.
5. The overall baking varnish can effectively prevent corrosion and can be used for different media as long as the sealing material of the sealing valve seat is replaced.
6. This valve has a two-way sealing function. It is not controlled by the flow direction of the medium during installation and is not affected by the spatial position. It can be installed in any direction.
7. This valve has unique structure, flexible operation, labor saving and convenient.


The main technical parameters

Nominal through DN (mm)
50 ~ 2000
50 ~ 1600
Nominal pharmacology PN (MPa)
0.6
1.0
1.6
Seal test (MPa)
0.66
1.1
1.76
Strength test (MPa)
0.9
1.5
2.4
proper temperature
Nitrile rubber: -40℃~90℃Fluorine rubber: -20℃~200℃
Applicable medium
Water, air, natural gas, oil and weakly corrosive fluids
Leak rate
Comply with GB/T13927-92 standard
Driving method
Worm gear drive, electric, pneumatic, hydraulic

Material of main parts

Part Name
Ingredients
Valve body
WCB, QT450-10, HT200, HT250
Butterfly board
WCB, QT450-10, HT200, HT250
Valve shaft
2Cr13
Sealing ring
Nitrile oil resistant rubber
filler
Flexible graphite

Executive standard

Manufacturing Standards
GB / T 122387-89
Flange standard
GB9113-2000, GB17241.6-1998
Structure length standard
GB12221-89
Inspection standards
GB / T 13927-92

D71X-6/10/16 Wafer Type Soft Seal Butterfly Valve Main Outline Connection Dimensions                            Unit: mm

DN
L
H
HO
A
B
0.6MPa
1.0MPa
1.6MPa
DO
nd
DO
nd
DO
nd
50
43
63
235
270
110
110
4-14
125
4-18
125
4-18
65
46
70
250
270
110
130
4-14
145
4-18
145
4-18
80
46
83
275
270
110
150
4-18
160
8-18
160
8-18
100
52
105
316
270
110
170
4-18
180
8-18
180
8-18
125
56
115
340
310
110
200
8-18
210
8-18
210
8-18
150
56
137
376
310
110
225
8-18
240
8-22
240
8-22
200
60
164
430
353
150
280
8-18
295
8-22
295
8-22
250
68
206
499
353
150
335
12-18
350
12-22
355
12-26
300
78
230
570
380
150
395
12-22
400
12-22
410
12-26

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Address: Desheng Road, Yongjia County, Zhejiang Province