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Pair of Rubber Lined Butterfly Valves

Pair of Rubber Lined Butterfly Valves
  • sell:021-32051999
  • sell:021-32050777
  • fax:021-66099555

Details

  • Product Introduction
  • Service Promise
  • Ordering Process

D71J double-clip rubber-lined butterfly valve/D671J pneumatic rubber-lined butterfly valve/D971J electric rubber-lined butterfly valve has compact structure, easy 90 degree switching, reliable sealing and long service life. It is widely used in water plants, power plants, steel plants, paper making, chemical industry, diet and other systems for drainage, as adjustment and cut-off.


Product features of clip type rubber lined butterfly valve


1. The valve adopts double eccentric structure, which has the tighter and tighter sealing function and reliable sealing performance.


2. The sealing materials are made of stainless steel and acrylonitrile butadiene acrylonitrile rubber.


3. The rubber sealing ring can be located on the valve body or on the butterfly plate. It can be applied to different 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 whole baking paint can effectively prevent rust and can be used in different media as long as the sealing material of the sealing valve seat is changed.


6. The valve has the function of two-way sealing. It is not controlled by the flow direction of the medium and is not affected by the space position. It can be installed in any direction.


7. The rubber lined butterfly valve has unique structure, flexible operation, labor saving and convenience.


Applicable scope of sealing material for clamp rubber lined butterfly valve

Sealing ring material code
Applicable temperature
Applicable medium
NR
≤85℃
Water, air, acids and bases
CR
≤85℃
Water, air, acids and bases
NBR
≤100℃
Water and oil
EPDM
≤120℃
Water, air, acids and bases
FKM
≤150℃
Water, air, acids and bases


Material for main parts of clamp type rubber lined butterfly valve


valve body
Cast iron, ductile iron, carbon steel, stainless steel
Disc
Cast iron, ductile iron, carbon steel, stainless steel and carbon steel are completely covered with rubber or fluoroplastics.
Stem
Carbon steel is plated with Ni-P and stainless steel.
Seat seal ring
Natural rubber NR, neoprene CR, nitrile rubber NBR, three yuan ethylene propylene rubber EPDM, fluoroelastomer FKM
Worm gear
Assemblage


test


Lining layer: EDM test


Test and inspection according to GB/T13927 standard


Nominal pressure: PN (MPa)


Valve body: PN * 1.5


Sealing: PN x 1.1


Basic type of clamp type rubber lined butterfly valve


hand

move

D71J half lining



D371J half lining
D71J full lining
D371Jfull lining
D71F4 full lining
D371F4 full lining
D71F46 full lining
D371F46 full lining

gas

move

D671J half lining

D971J half lining
D671J full lining
D971Jfull lining
D671F4 full lining
D971F4 full lining
D671F46 full lining
D971F46 full lining


Design criteria for clamp type rubber lined butterfly valves


Design and manufacture: GB12238


Structure length: GB12238


Flange joint size: GB4216

Parts list: 1, body 2, seat 3, butterfly plate 4, stem 5, worm gear.


Main dimensions of the clamp rubber lined butterfly valve


Nominal path DN

Nominal pressure

MPa

Working pressure

MPa

L
mm
D
mm
D1
mm
n-Φd
mm
H1
mm
H2
mm
Do
mm
H3
mm
A
mm
B
mm
質量
Kg/kilos
40
1.0
1.0
33
150
110
4-18
55
100
150
62
164
125
6
50
43
165
125
4-18
64
120
150
62
164
125
7
65
46
185
145
4-18
80
120
208
62
164
125
10
80
46
200
160
8-18
112
130
260
62
164
125
11
100
52
220
180
8-18
90
140
275
62
164
125
12
125
56
250
210
8-18
112
160
350
106
289
200
18
150
56
285
240
8-22
135
175
350
106
289
200
29
200
60
340
295
8-22
160
210
240
106
289
200
34.5
250
0.6
68
395
350
12-22
206
235
240
106
289
200
44
300
78
445
400
12-22
232
273
320
112
370
253
64.5
350
78
505
450
16-22
263
310
320
112
370
253
75.5
400
102
565
515
16-26
295
340
400
270
562
280
156
450
114
615
565
20-26
327
370
400
270
562
280
171.5
500
127
670
620
20-26
358
399
400
270
562
280
206.5
550
0.4
140
730
675
20-30
384
430
400
270
562
280
215
600
154
780
725
20-30
474
460
500
270
562
280
283
700
165
895
840
24-30
486
510
500
125
503
443
426
800
190
1015
950
24-33
591
672
500
200
513
531
550
900
203
1115
1050
28-33
500
200
513
531
1070
1000
216
1230
1160
28-36
721
800
550
273
713
815
1296


The best quality, first-class service Qigao creates more value for you!

"Qigao Valve" expects to continuously improve service quality and strive for excellence. "Sincere service" is the eternal theme of "Qigao". "Qigao" strictly followsIS09001-2000 Quality system certification requirements, strict quality control, responsibility to people, to ensure the healthy operation of production, sales and service. Strengthen communication with users and provide quality products to our customers with perfection and perfect service. Hereby our factory makes the following commitments:

Product Standards:

Products in strict accordance with ChinaGB、HG Standard and USAPISuch as standard design, manufacturing, acceptance. The hardness of the sealing surface meets the requirements of the state and the width exceeds the national standard.

pre-sale service:

Product introduction, technical exchange, non-standard product design, troubleshooting。

Sale service:

A trustworthy contract guarantees timely delivery and keeps in touch with customers. For special or duplicate products, our factory arranges technicians to use and troubleshoot the products for users.

After sales service:

1、"Qigao" brand product quality period is from the factory12In the month, the implementation of the "three guarantees" service (return, replacement, warranty).

2、During the use of our products, our factory regularly organizes technical and quality inspection personnel to visit and consult users for feedback on product quality, usage status and improvement opinions, so as to further improve product quality.

3、Respond quickly to the quality of user complaints, after-sales service personnel rushed to the scene in 24-36 hours (48 hours outside the province).

4、For after-sales service, users are required to fill out the quality feedback information form after the service and make an appraisal opinion in order to improve the service quality of Qigao.

1、If the customer has special requirements for the product, the following instructions must be provided in the order contract.:

a、Structure length;

b、Connection Type;

c、Nominal diameter, full diameter, reduced diameter, pipe size;

d、Operating medium and temperature, pressure range;

e、Tests, inspection standards and other requirements

2、The factory can configure various types of driving devices according to customer's specific requirements.。

3、If the type and model of the valve are determined by the customer, the customer shall correctly state the meaning and requirements of the model and sign the contract under the condition that the supplier and the buyer understand each other.

4、For futures and order customers, please call us in advance to tell the required valve model, specification, quantity, delivery time and location, and timely transfer to the factory account according to the total 30% deposit or full payment. The rest of the payment is pending. Import before shipment to arrange delivery in time.

 

Order Process:

1、Customer purchase list fax to021-33872143,Or call us 021-33872141

2、Receive customer purchase list, provide valve model selection and quotation (price list)。

3、Specific agreement: delivery date, special requirements, etc.。

download Google:

1、If the customer has special requirements for the product, the following instructions must be provided in the order contract.:

a、Structure length;

b、Connection Type;

c、Nominal diameter, full diameter, reduced diameter, pipe size;

d、Operating medium and temperature, pressure range;

e、Tests, inspection standards and other requirements

2、The factory can configure various types of driving devices according to customer's specific requirements.。

3、If the type and model of the valve are determined by the customer, the customer shall correctly state the meaning and requirements of the model and sign the contract under the condition that the supplier and the buyer understand each other.

4、For futures and order customers, please call us first to tell the required valve model, specifications, quantity, delivery time and location, and press the total30%The deposit or full payment will be remitted to our factory account in time., The rest of the payment will be remitted before shipment to arrange delivery in time.。

Sale service:

Trustworthy contract, guarantee timely delivery, keep in touch with customers at any time。

For special or duplicate products, our factory arranges technicians to use and troubleshoot the products for users.

After sales service:

1、"Qigao" product quality period is from the factory12Month, practiceThree packsService (return, replacement, warranty)。

2、During the use of our products, our factory regularly organizes technical and quality inspection personnel to visit and consult users for feedback on product quality, usage status and improvement opinions.,
In order to further improve product quality。

3、Respond quickly to the quality of user complaints, after-sales service personnel24-36Hours (outside the province48Hour) rushed to the scene。

4、For after-sales service, the user is required to fill out the quality feedback information form after the service and make an appraisal opinion in order to improve the service quality of “Qigao”.。

statement

  1. All text, data and pictures in this article are for reference only.Pair of Rubber Lined Butterfly ValvesPlease contact us at 4000-700-665 for details of performance, size and price.
  2. If there is no explanation, this article is original, reprint, please indicate the address of this article, thank you for your cooperation!
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