We believe in long-term relationship,that customer delights can be achieved only through begin focused on what you know best. Fortunately, Pemba friends can visit Innovation pipeline manufacturer's website! For many years, Pemba Waterproof casing honest cooperative enterprise Zhongyuan valve fittings Pemba Expansion joint overseas customer service station has insisted on taking innovation as the basis of survival and improving the application of new technologies in [Expansion joint] products! To learn more about the application of Expansion joint product new technology in Pemba, please call Innovation pipeline [Expansion joint] sales manager for more details!

Africa Transmission joint customers trust enterprises Zhongyuan valve fittings Pemba VSSJA-2 double flanged limit expansion joint network promotion sub-station

Committed to providing Pemba petrifaction customers with regional VSSJA-2 double flanged limit expansion joint solutions

VSSJA-2 double flanged limit expansion joint

Product introduction:

The VSSJA-2 double flanged limit expansion joint is composed of main components such as the body, sealing ring, gland, and expansion short pipe. On the basis of the original performance of the loose sleeve expansion joint, a limit device is added, and double nuts are used to lock the expansion amount. The success of Pemba customers is always be the goal ZhongYuan pursue, Zhongyuan valve fittings reminds Pemba friends that this information can help buy good Chinese products: The VSSJA-2 (B2F) double flange limit expansion joint is suitable for connecting both sides to the flange. During installation, adjust the connection length of both ends of the product, tighten the gland bolts diagonally and evenly, and then adjust the limit nut. This allows the pipeline to expand freely, lock the expansion amount, and ensure the operation of the pipeline. Every part counts, Every penny counts, Zhongyuan valve fittings Reminder Pemba Friends can refer to these knowledge: It is particularly suitable for connecting in pipelines with vibration, certain slopes, and bends.

[Product name] : VSSJA-2 Double flange limit expansion joint (B2F double flange loose limit compensation joint)

[Product alias] : double flange expansion joint, double flange limit expansion device, double flange limit expansion joint, double flange limit expansion joint

[Product Specification] : DN50-DN4000

[Product pressure] : 0.6-4.0MPa

[Product Certification] : ISO9001-2008

[Scope of application] : weak acid, weak base, weak corrosion, oil, hot water, cold water, etc

[Material] : Carbon steel, ductile iron, stainless steel

[Product color] : Blue, can be adjusted according to customer requirements

[Operating temperature] : -40 degrees to 180 degrees


Product advantage:

VSSJA-2(B2F) double flange limit expansion joint is the pipe can be freely expanded in the allowable expansion amount, once exceeds the maximum expansion amount to play the limit, to ensure the maximum operation of the pipeline, especially suitable for vibration or a certain degree of inclination and bend in the pipeline connection. The freedom of choice comes from the accumulation of knowledge, Key product knowledge points in the field of petrifaction that Pemba friends need to understand: The product has large expansion, convenient installation and is suitable for the pipe with two ends of the flange connection. VSSJA-2(B2F) double flange limit expansion joint can realize the compensation of pipeline axial displacement, and can greatly reduce the pipeline operation axial thrust, so as to extend the service life of the pipeline, protect the line running. ZhongYuan absorb values, integrity and customer loyalty, Zhongyuan valve fittings reminds Pemba friends that this information can help buy good Chinese products: And installed on the pipeline line can facilitate the disassembly and maintenance of the valve, and can overcome the bad influence of subsidence on the pipeline line.


product feature:

VSSJA-2(B2F) double flange limit expansion joint is suitable for both ends of the pipe line flange connection. When installing, adjust the installation length between the two ends of the product and the pipe or flange, tighten the gland bolt evenly diagonally, and then adjust the limit nut, so that the pipe can be freely expanded within the scope of expansion, lock the expansion amount, and the perfect operation of the pipe.

1, large expansion, long service life.

2, convenient valve disassembly, conducive to the pipeline regular maintenance.

3, This product can effectively protect the pipeline from the adverse effects brought by subsidence.

4, excellent material, stable operation.

VSSJA-2(B2F) double flange limit expansion joint is suitable for conveying sea water, fresh water, hot and cold water, drinking water, domestic sewage, crude oil, fuel oil, lubricating oil, refined oil, air, gas, temperature is not higher than 250 degrees steam and granular powder and other media.


Parts material:

NO

Name

Quantity

Material

1

Body

1

QT400-15,Q235A,ZG230-450,20

2

Gasket

1

NBR

3

Cover

1

QT400-15,Q235A,ZG230-450,20

4

Limited short pipe

1

Q235A,20,16Mn

5

Nut

4n

Q235A,20,1Cr18Ni9Ti

6

Long Stud

n

Q235A35,1Cr18Ni9Ti

7

Bolt

n

Q235A35,1Cr18Ni9Ti


Technical parameter:

Nomina iameter
DN

External diameter
of pipe Dw

Length

Compensation
△L

Flange connecting dimension

0.6Mpa

1.0Mpa

L

L1

D

D1

n-do

D

D1

n-do

65

76

340

105

50

160

130

4-Φ14

185

145

4-Φ18

80

89

190

150

4-Φ18

200

160

8-Φ18

100

108

210

170

220

180

114

125

133

340

105

50

240

200

8-Φ18

250

210

8-Φ18

140

150

159

265

225

8-Φ18

285

240

8-Φ22

168

200

219

321

280

340

295

250

273

375

335

12-Φ18

395

350

12-Φ22

300

325

350

130

65

440

395

12-Φ22

445

400

350

377

490

445

505

460

16-Φ22

400

426

540

495

16-Φ22

565

515

16-Φ26

450

480

595

550

615

565

20-Φ26

500

530

645

600

20-Φ22

670

620

600

630

755

705

20-Φ26

780

725

20-Φ30

700

720

860

810

24-Φ26

895

840

24-Φ30

800

820

590

220

130

950

920

24-Φ30

1015

950

24-Φ33

900

920

1075

1020

1115

1050

28-Φ33

1000

1020

1175

1120

32-Φ33

1230

1160

28-Φ36

1200

1220

1405

1340

1455

1380

32-Φ40

1400

1420

1630

1500

36-Φ36

1675

1590

36-Φ42

1500

1520

1730

1660

 

 

 

1600

1620

1830

1760

40-Φ36

1915

1820

40-Φ48

1800

1820

2045

1970

44-Φ40

2115

2020

44-Φ48

2000

2020

2265

2180

48-Φ42

2325

2230

48-Φ48

2200

2220

2475

2390

52-Φ42

2550

2440

52-Φ56

2400

2420

2685

2600

56-Φ42

2760

2650

60-Φ56

2600

2620

600

240

140

2905

2810

60-Φ48

2960

3070

64-Φ56

2800

2820

3115

3020

64-Φ48

3180

3290

68-Φ60

3000

3020

3315

3220

68-Φ48

3405

 

 

3200

3220

3525

3430

72-Φ48

 

 

 

3400

3420

3735

3640

76-Φ48

 

 

 

3600

3620

3970

3860

80-Φ56

 

 

 

Note: The size meets standard GB/T12456-2002. Note: The size meets standard GB/T12456-2002

Innovative production of VSSJA-2(B2F) double flange limit expansion joint is composed of body, sealing ring, gland, extension shortening pipe and other main components. On the basis of the original performance of the loose sleeve expansion joint, a limiting device is added, and double nuts are used to lock the maximum expansion quantity. Zhongyuan valve fittings,Value builder - innovation breakthrough, stable quality, Zhongyuan valve fittings Reminder Pemba Friends can refer to these knowledge: The pipeline can be freely telescopic in the allowed amount of expansion, once it exceeds the maximum expansion of the limit, to ensure the maximum operation of the pipeline, especially suitable for vibration or a certain degree of inclination and bend in the pipeline connection.


Application field:

VSSJA-2 type double flange limit expansion joint is suitable for conveying sea water, fresh water, hot and cold water, drinking water, domestic sewage, crude oil, fuel oil, lubricating oil, refined oil, air, gas, temperature is not higher than 250 degrees steam and granular powder and other media.


Innovative pipeline product services:

Professional manufacturing, professional service, innovation pipeline for you to create more value!

Continuous improvement of service quality, excellence, "sincere service" is the innovation pipeline has been firmly believed in the goal.  Innovation pipeline in strict accordance with ISO9001-2000 quality system certification requirements, strict quality control, responsibility to people, to ensure the healthy operation of production, sales, service. Inspiring the world through innovation, ZhongYuan's customer service personnel reminds us of the key points of product knowledge in the field of petrifaction application:  Strengthen communication with users, dedication to provide our customers with excellent products, perfect and beautiful service, innovation pipeline hereby make the following commitment:


Product standards:

Steel telescopic products are designed, manufactured and accepted in strict accordance with Chinese GB and HG standards and American API standards. Customer satisfaction is the eternal pursuit of enterprises, Africa Transmission joint customers trust enterprises Zhongyuan valve fittings Pemba VSSJA-2 double flanged limit expansion joint network promotion sub-station customer service Key Knowledge Reminder: The hardness of the sealing surface shall meet the requirements stipulated by the state, and the width shall exceed the national standards.


Instructions for purchasing innovative pipeline products:

1、 Product Material Description: Due to the possibility of scratches or dirt on the surface of materials during transportation or distribution, and the possibility of surface oxidation or insufficient aesthetics during storage, the images and physical objects may also differ. Zhongyuan valve fittings reminds Pemba friends to understand this information: Our manufacturer will definitely make our products more aesthetically pleasing, using high-quality raw materials for production. Our manufacturer promises that our products are of high quality and affordable, and are entirely a customer's choice. If you have other models or specifications of products, you can contact our customer service online or consult us when purchasing

2. Shipping instructions: 

1. Due to the unique nature of the materials, all materials are shipped after payment by the customer, and are specially customized products for the customer. Once sold, there are no returns or exchanges for non material or quality issues! Please understand. 

2. Please provide a clear description of the specific specifications, nominal diameter, working pressure, medium to be conveyed, quantity, and required performance of the required product before shopping. The main reasons for doing so are: 

1) Ensure that the product prices quoted by the manufacturer are correct and accurate; 

2) For customers, it provides protection for their own interests and prevents them from misquoting product prices, causing economic losses for both parties and causing unpleasantness for everyone; 

3) Once the customer has made a decision and both parties sign a contract, the products produced by the manufacturer can meet the actual needs of the customer. 

3. If the customer did not provide a clear description, the seller will not assume any responsibility in the event of a dispute! Please understand!


Reasons for choosing innovative pipelines:

Innovative water supply equipment, based on the advantages of Construction of chemical and municipal pipelines in power plants industry, focuses on "win-win cooperation" Construction of chemical and municipal pipelines in power plants VSSJA-2 double flanged limit expansion joint service provider -- Innovative water supply equipment's business philosophy can be summarized into eight words "honesty based, win-win development". Unparalleled customer satisfaction promotes lasting relationships, Zhongyuan valve fittings Reminder Pemba Friends can refer to these knowledge: Innovative water supply equipment has always implemented this concept well for both its internal employees and its external VSSJA-2 double flanged limit expansion joint partners, thus gaining long-term good business reputation and cooperative relations in the Construction of chemical and municipal pipelines in power plants field and promoting the stable development of Innovative water supply equipment.


Pre-sale services:

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

In sales service:

1. Maintain a trustworthy contract, ensure timely supply, and keep in touch with customers at all times. 

2. For special or complex products, our factory arranges technical personnel to provide training and guidance to users on product use, troubleshooting, adjustment, and maintenance.

after-sale service:

1. The warranty period for innovative pipeline products is 12 months from the factory, and the "three guarantees" service (product quality issues) is implemented. 

2. Our factory regularly organizes technical and inspection personnel to visit our products during use, seeking feedback from users on product quality, usage status, improvement opinions, and other aspects, in order to further improve product quality. 

3.Quickly respond to customer complaints about product quality issues 

4. For after-sales service, users are required to fill out the quality feedback form after the service and provide appraisal opinions, in order to jointly improve the product and service quality of the innovation pipeline.

Many VSSJA-2 double flanged limit expansion joint customers choose Africa Transmission joint customers trust enterprises Zhongyuan valve fittings Pemba VSSJA-2 double flanged limit expansion joint network promotion sub-station. The key word "win-win culture" petrifaction VSSJA-2 double flanged limit expansion joint service provider - Zhongyuan valve fittings people know that corporate culture is one of the core competitiveness of the enterprise. Many petrifaction VSSJA-2 double flanged limit expansion joint enterprises put corporate culture on the agenda. From the corporate culture of a petrifaction company, we can see the future development prospects of the enterprise. Zhongyuan valve fittings, as a company focused on serving petrifaction customers, has been committed to the creation of Zhongyuan valve fittings culture. Since its establishment, Zhongyuan valve fittings has always taken "gathering excellent talents and casting reassuring products" as its development goal, adhered to the Zhongyuan valve fittings concept of "creating great business with one heart and one mind and seeking development", and adhered to the belief of "creating profits for shareholders, seeking benefits for Zhongyuan valve fittings employees, and contributing value to society", and continued to move forward step by step!