Jiangxi Expansion joint partner Zhongyuan valve fittings Jiangxi cross-border product service station make up more Jiangxi regional knowledge:In 2014, the total grain output of Jiangxi Province was 21.435 million tons, reaching a record high again, and achieving the "11th consecutive harvest". In Jiangxi Province, the annual grain planting area is 36973000 hectares, the oil planting area is 7415000 hectares, the cotton planting area is 849000 hectares, the vegetable planting area is 5723000 hectares, and the annual total meat output is 3.552 million tons; Milk output 128000 tons; The output of poultry eggs is 578000 tons; The output of aquatic products is 2.538 million tons. In 2014, Jiangxi's total import and export volume was 42.783 billion US dollars; Among them, exports amounted to $32.038 billion and imports amounted to $10.745 billion. Jiangxi exported 12.909 billion dollars of mechanical and electrical products and 5.254 billion dollars of high-tech products in the whole year. At the end of the year, there were 62 foreign-invested enterprises with the investment background of the world's top 500.Expansion joint supplier Zhongyuan valve fittings is located in Asia, bordering the Pacific Ocean, and shipping is convenient. Zhongyuan valve fittings has a service team for Jiangxi Expansion joint customers, which can provide reliable Expansion joint metallurgy solutions for Jiangxi Expansion joint customers!

AY type gland loose sleeve expansion joint

Gland type loose sleeve expansion joint is a kind of building materials pipe fittings specially produced by innovation pipeline, which is mainly used to protect the operation of pipeline system. In the process of use, it provides great convenience for the installation and disassembly of various water supply and drainage pipes, water tower, water pump, water meter and valve, and plays a good regulating role for the expansion of long-distance pipelines due to the temperature difference.

Dear [AY type gland loose sleeve expansion joint] customer, welcome! Today is 2025-05-29. Since the ZhongYuan website http://www.xdguandao.com was built, you are the 26145th visitor to ZhongYuan enterprise! ZhongYuan has been committed to Construction of chemical and municipal pipelines in power plants innovation exploration and product promotion since its inception, and has provided technical improvement [AY type gland loose sleeve expansion joint] products to hundreds of customers!
 

Product introduction:
Gland type loose sleeve expansion joint is a kind of building materials pipe fittings specially produced by innovation pipeline, which is mainly used to protect the operation of pipeline system. In the process of use, it provides great convenience for the installation and disassembly of various water supply and drainage pipes, water tower, water pump, water meter and valve, and plays a good regulating role for the expansion of long-distance pipelines due to the temperature difference. The product is suitable for both sides and pipe flange connection, do not need welding, reasonable structure, good sealing performance, quick and convenient installation. On the basis of the original performance of the gland type loose sleeve expansion joint, a limiting device is added, and double nuts are used to lock the expansion quantity of the gland type loose sleeve expansion joint. In this way, the pipeline can be freely expanded in the allowed expansion amount. Once the maximum expansion amount of the gland type loose sleeve limit expansion joint is exceeded, the limit is played, so as to effectively ensure the operation of the gland type loose sleeve limit expansion joint pipeline, especially suitable for vibration or a certain inclination and the selection of the pipeline in the corner.

[Product name] : AY (SSJB) gland type loose sleeve expansion joint (AY gland loose sleeve compensation joint)

[Product alias] : gland type loose sleeve telescopic device

[Product Specification] : [DN40mm-DN2400mm]

[Product pressure] : 0.6-2.5MPa

[Product Certification] : ISO9001-2008

[Scope of application] : [Weak acid, weak base, weak corrosion class, 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

Easy to install, no welding. The sealing ring can be deformed by squeezing the gland and the body so as to ensure the high sealing of the pipeline line while compensating the axial displacement of the pipeline. And because it adopts flexible connection, it can greatly reduce the impact of vibration and noise of pipeline lines. SSJB(AY) type capping loose jacket 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.


product feature

1. can realize the pipeline line axial displacement compensation. And from the simple structure, its expansion will be twice as large as the loose sleeve expansion joint, with greater axial compensation.

2. Reduce vibration and noise to a certain extent and protect the pipeline.

3. simple structure, convenient installation, easy maintenance and maintenance.


Component material:

No

Name

Quantity

Material

1

Cover 

2

QT400-15、Q235A、ZG230-450、1Cr13、20

2

sleeve piece

1

Q235A、20、16Mn、1Cr18Ni9Ti

3

Gasket

2

NBR、CR、FPM、NR

4

Nut

n

Q235A、35、1Cr18Ni9Ti

5

Bolt

n

Q235A、20、1Cr18Ni9Ti


Technical parameter:

Nominal diameter

Outside diameter of pipe

Boundary dimension

n-Th.

Short type

long type

D

0.25-1.6
MPa

2.5-6.4
MPa

L1

L

L1

L

65

76

120

 

148

180

208

155

4-M12

4-M12

80

89

165

100

108

190

4-M16

114

195

125

140

225

150

159

160

220

245

4-M16

6-M16

168

255

200

219

310

225

245

335

250

273

163

223

375

6-M20

8-M20

300

325

160

213

220

273

440

10-M20

 

 

 

 

350

355

470

8-M20

377

490

400

406

520

426

540

450

457

570

10-M20

12-M20

480

590

500

508

625

530

645

600

610

730

630

750

700

720

850

12-M20

14-M20

800

820

230

 

 

 

295

290

 

335

965

12-M24

16-M24

900

920

1065

14-M24

18-M24

1000

1020

1165

1200

1220

1365

16-M24

20-M24

1400

1420

310

370

 

 

 

 

1590

18-M27

24-M27

1500

1520

1690

1600

1620

1795

20-M27

28-M27

1800

1820

2000

22-M27

30-M30

2000

2020

2200

24-M27

32-M30

2200

2220

320

380

2420

26-M30

 

 

2400

2420

2635

28-M30


Application field:

AY type cap type loose jacket 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, steam with temperature not higher than 250 degrees 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.  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. The hardness of the sealing surface shall meet the requirements stipulated by the state, and the width shall exceed the national standards.


Reasons for choosing innovative pipelines:

Why choose Innovative water supply equipment for cooperation negotiation? The key word "integrity and win-win" Innovative water supply equipment business philosophy can be summed up in eight words "honesty based, win-win development". Innovative water supply equipment has always implemented this concept well for both its internal employees and its external AY type gland loose sleeve 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.


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. 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!


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.


Order Information:

1. The customer has special requirements for the product and must provide the following instructions in the order contract:

1) Structure length; 

2) Connection form; 

3) , nominal diameter, full diameter, reduced diameter, pipeline size; 

4) Medium used and temperature and pressure range; 

5) Our factory can customize and design special products according to customer specific requirements for experiments, inspection standards, and other requirements. 

2. Our company can customize and design special products according to customer specific requirements. 

3. If the customer provides the determined product type and model, the customer should correctly explain the meaning and requirements of the model, and sign the contract on the condition of mutual understanding between the supply and demand parties. 

 

Less nonsense and more practical work! No amount of rhetoric and packaging planning can compare with doing something on the product! ZhongYuan precipitate the brand value of [AY type gland loose sleeve expansion joint] with accumulated little actions! It is fate to know each other, and cooperation is a share.


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There are many historical and cultural heritages in China. I believe these cultural stories with a long history are attractive enough to make Jiangxi Province friends interested in Chinese AY type gland loose sleeve expansion joint products.


Cultural elements that must be comprehended when visiting China:


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