DQ41F low temperature flange ball valve

DQ41F low temperature flange ball valve
  • sell:021-32051999
  • sell:021-32050777
  • fax:021-66099555

Details

  • Product Introduction
  • Service Promise
  • Ordering Process

DQ41F low-temperature flange ball valve is divided into low-temperature floating ball and low-temperature fixed ball, used to cut off or connect the low-temperature medium in the pipeline, the lowest medium temperature must not be lower than - 196 degrees.


Low temperature ball valve executive standard

设计与制造
结构长度
法兰尺寸
压力-温度
试验-检验
GB122237
GB12221
GB9113 JB79
GB9131
GB/T13927 JB/T9092
Pressure test of cryogenic ball valve
公称压力
1.6
2.5
4.0
强度试验
2.4
3.8
6.0
水密封试验
1.8
2.8
4.4
气密封试验
0.4-0.7
Low temperature ball valve main parts material
阀体
WCB
ZG1Cr18Ni9Ti
CF8
CF3
ZG1Cr18Ni12Mo2Ti
CF8M
CF3M
球体 阀杆
2Cr13
1Cr18Ni9Ti
304
304L
1Cr18Ni12Mo2Ti
316
316L
阀 座
聚四氟乙烯PTFE 加坡纤增强聚四氟乙烯PTFE+Glass 对位聚笨PPL
垫片
聚四氟乙烯PTFE 不锈钢/柔性石墨 齿形垫片
阀杆座
聚四氟乙烯PTFE 不锈钢/柔性石墨
填料
聚四氟乙烯PTFE 增强柔性石墨
填料压盖
WCB
1Cr18Ni9Ti
304
304L
1Cr18Ni12Mo2Ti
316
316L
温度
-40~150
介质
水 蒸汽 油品
硝酸类
强氧化介质
醋酸类
尿素类
Main dimensions of cryogenic ball valves
1.6MPa
DN
L
D
D1
D2
b
n-φd
H
D0
凸面法兰
RF
DQ41
16C
16P
16R
15
130
95
65
45
14
4-14
78
140
20
140
105
75
55
14
4-14
84
160
25
150
115
85
65
14
4-14
95
180
32
165
135
100
78
16
4-18
150
250
40
180
145
110
85
16
4-18
150
300
50
200
160
125
100
18
4-18
170
350
65
220
180
145
120
20
4-18
195
350
80
250
195
160
135
20
8-18
215
400
100
280
215
180
155
20
8-18
250
500
125
320
245
210
185
22
8-18
265
600
150
360
280
240
210
24
8-23
270
800
200
400
335
295
265
26
12-23
330
1200
2.5MPa
15
130
95
65
45
16
4-14
103
140
凸面法兰
RF
DQ41
25
25P
25R
20
140
105
75
55
16
4-14
112
160
25
150
115
85
65
16
4-14
123
180
32
165
135
100
78
18
4-18
150
250
40
180
145
110
85
18
4-18
156
300
50
200
160
125
100
20
8-18
172
350
65
220
180
145
120
22
8-18
197
350
80
250
195
160
135
22
8-23
222
400
100
280
230
190
160
24
8-23
253
500
125
320
270
220
188
28
8-25
275
600
150
360
300
250
218
30
8-25
286
800
200
400
360
310
278
34
12-25
340
1200
4.0MPa
DN
L
D
D1
D2
D6
b
n-φd
H
D0
凹凸法兰
MFM
DQ41
40
40P
40R
15
130
95
65
45
40
16
4-14
103
140
20
140
105
75
55
51
16
4-14
112
160
25
150
115
85
65
58
16
4-14
123
160
32
180
135
100
78
66
18
4-18
150
250
40
200
145
110
85
76
18
4-18
156
250
50
220
160
125
100
88
20
4-18
172
350
65
250
180
145
120
110
22
8-18
197
350
80
280
195
160
135
121
22
8-18
222
450
100
320
230
190
160
150
24
8-23
253
450
125
400
270
220
188
176
28
8-25
275
600
150
400
300
250
218
204
30
8-25
286
800
200
550
375
320
282
260
38
12-30
340
1200
6.4MPa
15
165
105
75
55
40
18
4-14
105
140
凹凸法兰
MFM
DQ41
64
64P
64R
20
190
125
90
68
51
20
4-18
125
160
25
216
135
100
78
58
22
4-18
135
250
32
229
150
110
82
66
24
4-23
150
350
40
241
165
125
95
76
24
4-23
165
350
50
292
175
135
105
88
26
4-23
175
450
65
330
200
160
130
110
28
8-23
200
450
80
356
210
170
140
121
30
8-23
210
600
100
432
250
200
168
150
32
8-25
250
700
125
508
295
240
202
176
36
8-30
295
1100
150
559
340
280
240
204
38
8-34
340
1500

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.DQ41F low temperature flange ball 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!