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G641J reciprocating pneumatic diaphragm valve

G641J reciprocating pneumatic diaphragm valve
  • sell：021-32051999
  • sell：021-32050777
  • fax：021-66099555

Details

  • Product Introduction
  • Service Promise
  • Ordering Process

G641J reciprocating pneumatic diaphragm valve is specially designed to control non-corrosive or general corrosive media. There is no lining on the inner surface of the valve body or covered with a variety of optional rubber. The reciprocating pneumatic diaphragm valve is suitable for different working temperatures and fluid pipelines. Applicable Temperature of Reciprocating Pneumatic Diaphragm Valve:<85, <100, <120, <150 (according to lining and diaphragm material)


Pressure level: PN0.6, 1, 1.6


Material Science


Body: cast iron, ductile iron, carbon steel, stainless steel.


Bonnet: cast iron, ductile iron, carbon steel, stainless steel.


Lining: no lining, rubber.


Diaphragm: Rubber


Disc: cast iron and carbon steel.


Cylinder: ductile iron


Piston: carbon steel


Stem: carbon steel


Hand wheel: Cast Iron


test


Lining layer: EDM test


Test and inspection according to GB/T13297 standard


Nominal pressure: PN (Mpa)


Valve body: PN * 1.5


Sealing: PN x 1.1


Parts List: 1, Body 2, Body Lining 3, Diaphragm 4, Disc 5, Lower Stem 6, Cover 7, Cylinder 8, Piston 9, Cylinder Head 10, Upper Stem 11, Handwheel

Main dimensions and weight


DN
mm
公稱壓力
MPa
工作壓力
MPa
L
（mm）
D
（mm）
D1
（mm）
n-φd
（mm）
F
（mm）
H1
（mm）
H2
（mm）
D0
（mm）
B
氣源壓力
MPa
氣源接頭
in
耗氣量
cm3
重量
15
0.6
0.6
125
95
65
4-14
2








20
139
105
75
4-14
2








25
145
115
85
4-14
2
250
264
120
94
0.4
10×1
2.395×102
6．5
32
160
140
100
4-18
2
3025
328
140
120
0.4
12×1.25
6.082×102

40
180
150
110
4-18
3
306
328
140
120
0.4
12×1.25
6.082×102

50
210
165
125
4-18
3
379
405
160
185
0.4
12×1.25
1.235×102
25
65
250
185
145
4-18
3
467
502
240
245
0.5
16×1.5
3.725×103
31．5
80
300
200
160
4-18
3
483
523
240
245
0.5
16×1.5
3.725×103
62．5
100
350
220
180
8-18
3
565
617
280
330
0.5
20×1.5
9.458×103
93．5
125
400
250
210
8-18
3
664
732
320
380
0.5
20×1.5
1.409×104
114
150
460
285
240
8-22
3
750
830
320
470
0.5
20×1.5
2.868×104
164
200
0.4
570
340
295
8-22
4
930
1050
400
470
0.5
20×1.5
4.619×104
249
250
680
395
350
12-22
4









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, practice“Three packs”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.，
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.G641J reciprocating pneumatic diaphragm 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!