少妇人妻精品一区二区三区-成年人看的性生活视频-欧美三级a做爰全过裸体-国产夫妻性生活免费看

Electrically operated butterfly valve

Electrically operated butterfly valve
  • sell:021-32051999
  • sell:021-32050777
  • fax:021-66099555

Details

  • Product Introduction
  • Service Promise
  • Ordering Process

The electric butterfly valve is powered by 220V AC power supply and receives 0~10mA or 4~20mA standard signal. It drives the valve opening to correspond with the operation signal, so as to adjust the medium pressure, flow rate and temperature. The structure is simple and the operation is convenient. The valve plate is elliptical inclined structure, and the leakage is small. It is suitable for large caliber and large flow occasions. Because of its self cleaning function, it is especially suitable for ventilation systems and the regulation of suspended medium.


The butterfly valve is matched with the electric actuator. It can change the flow rate of various liquid, gas, dust and flue gas through different control signals in metallurgical, electric, petrochemical, light imitation, building materials and environmental protection industrial pipelines, thus realizing the automatic adjustment and remote control of industrial process.


Main technical parameters of electrically operated butterfly valve

Nominal path

mm

50
80
100
125
150
200
250
300
350
400
450
500
600
700
800
900
1000
Rated discharge coefficient Kv
85
220
340
530
770
1360
2310
3060
4160
5450
6900
8500
12200
16600
21700
27100
34000
Nominal pressure MPa
0.1
Allowable pressure difference MPa
0.6
0.5
0.25
0.14
0.06
0.032
0.046
0.029
0.02
0.033
0.024
0.014
0.009
0.016
0.011
0.008
Valve plate angle
0~70°
Flow characteristics
Approximate equal percentage
Type of valve neck
Ordinary style (Chang Wenxing); hot plate (medium temperature).

Medium temperature

Cast iron: -20~+200; cast steel: -40~+250 (Chang Wenxing); -40~+450 (medium temperature type)
Flanges standard
Flange connection: JB81-59

Note: 1. the allowable pressure difference for the valve plate is 70 degree full open value, less than 70 degrees. When used, Delta P will be increased.


2. if you want to exceed the listed allowable pressure difference, you can choose a large executive agency.


Electric control butterfly valve performance index

project
Index value
project
Index value
Basic error%
≤±3.5
Always point deviation%.
≤±3.0
Difference%
≤3.0
Rated angle deviation%
≤±3
Dead zone%
≤3.0
Allowable leakage L/h
Rated capacity of 0.5% * valve
Electric control butterfly valve main parts material
Valve body and valve plate
Stainless steel SUS304
-250~+550℃
Stem
Stainless steel SUS316L
filler
Flexible graphite
-200~+600℃
Main dimensions of electrically operated butterfly valves
Nominal Tong Jing(DN)
Main dimensions
Flange size
L
L1/L2
H
H1
A
1.0MPa
1.6MPa
2.5MPa
Hard seal
Soft seal
D
D1
n-Фd
D
D1
n-Фd
D
D1
n-Фd
50
108
43
112
63
625
245
165
125
4-18
165
125
4-18
165
125
4-18
65
112
46
115
70
625
245
185
145
4-18
185
145
4-18
185
145
8-18
80
114
46
120
83
645
245
200
160
4-18
200
160
8-18
200
160
8-18
100
127
52
138
105
675
355
220
180
8-18
220
180
8-18
235
190
8-22
125
140
56
164
115
715
355
250
210
8-18
250
210
8-18
270
220
8-26
150
140
56
175
137
800
355
285
240
8-22
285
240
8-22
300
250
8-26
200
152
60
200
164
850
250
340
295
8-22
340
295
12-22
360
310
12-26
250
165
68
243
206
925
250
395
350
12-22
405
355
12-26
425
370
12-30
300
178
78
250
230
1035
450
445
400
12-22
460
410
12-26
485
430
16-30
350
190
78
280
248
1070
450
505
460
16-22
520
470
12-26
555
490
16-33
400
216
102
305
289
1190
450
565
515
16-26
580
525
16-26
620
550
16-36
450
222
114
350
320
1250
650
615
565
20-26
640
585
16-30
670
600
20-36
500
229
127
380
343
1290
650
670
620
20-26
715
650
20-30
730
660
20-36
600
267
154
445
413
1455
850
780
725
20-30
840
770
20-33
845
770
20-39
700
292
165
480
478
1585
850
895
840
24-30
910
840
24-36
960
875
24-42
800
318
190
530
525
1700
1250
1015
950
24-33
1025
950
24-39
1085
990
24-48
900
330
203
580
585
1965
1250
1115
1050
28-33
1125
1050
28-39
1185
1090
28-48
1000
410
216
650
640
2015
1250
1230
1160
28-36
1255
1170
28-42
1320
1210
28-56
1200
470
254
760
755
2250
1250
1455
1380
32-39
1485
1390
32-48
1530
1420
32-56

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.Electrically operated 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!
九九九热在线免费视频| 中文字幕无线码在线观看| 欧美日韩在线一区二区| 亚洲成人一区二区三区在线观看| 日韩亚洲精品中文字幕| 色欧美一区二区三区在线| 持续侵犯人妻中文字幕| 中文字幕一区二区三区的| 国产精品一区亚洲二区日本三区 | 亚洲国产综合人成综合网站| av电影在线中文字幕| 日韩二区中文字幕在线| 看中文字幕一区二区三区 | 国产精品 第一页第二页| 日本师生三片在线观看| 中文字幕视频一区二区| 国产午夜福利在线永久视频| 日麻批视频在线免费观看| 久久久美国精品中文字幕| 狼人亚洲一区二区久久| 亚洲精品亚洲综合国产字幕| 激情综合婷婷中文字幕| 日本自拍视频在线播放| 中文字幕国产精品一区| 国产精品国产成人生活片| 女同另类激情在线三区| 亚洲国产欧美日韩一区| 中国一区二区三区毛片| 水蜜桃在线视频91一区| 97国产精品亚洲精品| 亚洲日本韩国美女二区| 亚洲一区二区精品在线观看| 亚洲午夜理论片av大片| 成人黄色av免费看| 国产专区亚洲专区久久| 国产精品亚洲欧洲日韩av| 日韩熟女av中文字幕| 国产亚洲精品久久情侣| 国产三级农村妇女视频| 视频一区二区三区在线观看蜜桃| 欧美aⅴ一区二区三区|