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D943H electric flange hard seal butterfly valve

D943H electric flange hard seal butterfly valve
  • sell:021-32051999
  • sell:021-32050777
  • fax:021-66099555

Details

  • Product Introduction
  • Service Promise
  • Ordering Process

D943H electric flange hard-sealed butterfly valve adopts precise J-shaped elastic seal ring and three-eccentric multi-layer metal hard-sealed structure. It is widely used in gold treatment, electric power, petrochemical industry, water supply and drainage and municipal construction and other industrial pipelines with medium temperature < 425 C for regulating flow and carrying and breaking off fluid. The valve is made of different hardness and stainless steel. It has good corrosion resistance and long service life. The valve has two-way sealing function. The product meets the national GB / T13927-92 valve pressure test standard.


Characteristic


1. The valve adopts a three-eccentric sealing structure, the seat and butterfly plate almost no wear and tear, with the tighter sealing function.


2. The sealing ring is made of stainless steel. It has the double advantages of hard metal sealing and elastic sealing. It has excellent sealing performance, corrosion resistance and long service life, no matter at low and high temperature.


The 3. disc sealing surface is made of cobalt base cemented carbide, the sealing surface is wear resistant and has long service life.


4. large size butterfly plates are made of quilted structure with high strength, large flow area and small flow resistance.


5. The valve has two-way sealing function. It can be installed in any direction without the restriction of medium flow direction or the influence of space position.


The 6. driving device can be installed at multiple stations (rotating 90 degrees or 180 degrees) for user convenience.


Technical parameter of electric flange hard seal butterfly valve


DN(mm)
50~2000
PN(MPa)
0.6
1.0
1.6
2.5
Seal test(MPa)
0.66
1.1
1.76
2.75
strength test(MPa)
0.9
1.5
2.4
3.75
Applicable temperature
Carbon steel: -29 ~ 425 C stainless steel: -40 ~ 650 C
Applicable medium
Water, air, natural gas, oil and weakly corrosive fluids
Leakage rate
Conform to GB/T13927-92 standard
Driving mode
Worm drive, electric, pneumatic, hydraulic


Electric flange hard seal butterfly valve parts material


Part name
Material Science
valve body
WCB, alloy steel, stainless steel, QT450-10
Disc
WCB, alloy steel, stainless steel, QT450-10
Valve shaft
2Cr13 stainless steel and alloy steel
Seal ring
Stainless steel ring
filler
Flexible graphite


Electric flange hard seal butterfly valve executive standard


Manufacturing standards
JB/T 8527-97
Flanges standard
GB9113-2000
Structural length standard
GB12221-89
Test standard
GB/T 13927-92


Electric flange hard seal butterfly valve dimensions


Nominal Tong Jing(DN)
Main dimensions
Flange dimensions and bolt specifications
1.0MPa
1.6MPa
2.5MPa
L
H1
H
D
D1
n-Фd
D
D1
n-Фd
D
D1
n-Фd
50
108
530
112
165
125
4-18
165
125
4-18
165
125
4-18
65
112
530
115
185
145
4-18
185
145
4-18
185
145
8-18
80
114
565
120
200
160
4-18
200
160
8-18
200
160
8-18
100
127
600
138
220
180
8-18
220
180
8-18
235
190
8-22
125
140
640
164
250
210
8-18
250
210
8-18
270
220
8-26
150
140
705
175
285
240
8-22
285
240
8-22
300
250
8-26
200
152
775
200
340
295
8-22
340
295
12-22
360
310
12-26
250
165
945
243
395
350
12-22
405
355
12-26
425
370
12-30
300
178
1070
250
445
400
12-22
460
410
12-26
485
430
16-30
350
190
1140
280
505
460
16-22
520
470
12-26
555
490
16-33
400
216
1210
305
565
515
16-26
580
525
16-26
620
550
16-36
450
222
1335
350
615
565
20-26
640
585
16-30
670
600
20-36
500
229
1415
380
670
620
20-26
715
650
20-30
730
660
20-36
600
267
1605
445
780
725
20-30
840
770
20-33
845
770
20-39
700
292
1844
480
895
840
24-30
910
840
24-36
960
875
24-42
800
318
2040
530
1015
950
24-33
1025
950
24-39
1085
990
24-48
900
330
2255
580
1115
1050
28-33
1125
1050
28-39
1185
1090
28-48
1000
410
2380
650
1230
1160
28-36
1255
1170
28-42
1320
1210
28-56
1200
470
2640
760
1455
1380
32-39
1485
1390
32-48
1530
1420
32-56
1400
530
2886
850
1675
1590
36-42
1685
1590
36-48
1755
1640
36-62
1600
600
3156
1030
1915
1820
40-48
1930
1820
40-56
1975
1860
40-62
1800
670
3421
1230
2115
2020
44-48
2130
2020
44-56
2195
2070
44-70
2000
760
3685
1350
2325
2230
48-48
2345
2230
48-62
2425
2300
48-70


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.D943H electric flange hard seal butterfly valvePlease 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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