Harper Expansion joint cooperative partner Zhongyuan valve fittings Harper Expansion joint overseas customer website

Product introduction：

Three disk connection expansion joint is also called: limit expansion device, compensator, etc. It is a kind of building materials pipe fitting which is mainly used to protect the displacement of pipeline system in the process of use.

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product feature：

The three-disc expansion joint is suitable for both sides to be connected with flanges. When installing, adjust the connection length of both ends of the product, tighten the gland bolt evenly diagonally, and then adjust the limit nut. In this way, the pipe can expand freely, lock the expansion amount, and ensure the operation of the pipe.

Product advantage：

The expansion joint is suitable for conveying seawater, fresh water, hot and cold water, drinking water, domestic sewage, crude oil, fuel oil, lubricating oil, refined oil, air, gas, steam and granular powder with temperature not higher than 250 degrees and other media.

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Parts material：

NO	Name	Quantity	Material
1	Body	1	HT200QT4Q-15Q235
2	Gasket	1	Butadiene rubber
3	Cover	1	HT200QT4Q-15Q235
4	Casing flange	1	HT200QT4Q-15Q235
5	Nut	8	30#钢
6	Bolt	8	35#钢

Technical parameter：

DN	Dw	Overall dimension				Flange connection size
		Minimum length	Mounting length	Maximum length	Expansion volume	D	Φ	n-d
50	60	170	200	230	60	165	125	4-18
65	76	170	200	230	60	185	145	4-18
80	89	170	200	230	60	200	160	8-18
100	114	225	200	295	70	220	180	8-18
120	140	225	260	295	70	250	210	8-18
150	168	225	260	295	70	280	240	8-22
200	219	225	260	295	70	340	295	8-22
250	273	225	260	295	70	395	350	12-22
300	325	280	330	380	100	445	400	12-22
350	377	280	330	380	100	505	460	16-21
400	426	280	330	380	100	565	515	16-26
450	480	280	330	380	100	615	565	20-26
500	530	300	360	420	120	670	620	20-26
600	630	300	360	420	120	780	725	20-30
700	720	300	360	420	120	895	840	24-30
800	820	300	360	420	120	1015	950	24-33
90	920	335	400	465	130	1115	1050	28-33
1000	1020	335	400	465	130	1230	1160	28-33
1200	1220	335	400	465	130	1455	1380	32-39
1400	1420	345	420	495	150	1675	1590	36-42
1600	1620	345	420	495	150	1915	1820	40-48
1800	1820	360	440	520	160	2115	2020	44-48
2000	2020	440	520	160	1649	2230	48-48	36

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Application field：

The three disc connection expansion joint is suitable for conveying media such as seawater, fresh water, cold and hot water, drinking water, domestic sewage, crude oil, fuel oil, lubricating oil, finished oil, air, gas, steam and particulate powder with a temperature not exceeding 250 degrees Celsius.

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:

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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.

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Reasons for choosing innovative pipelines：

Why choose Innovative water supply equipment to cooperate? Key words: "integrity culture" Construction of chemical and municipal pipelines in power plants Three disc connection expansion joint Service provider -- Innovative water supply equipment Faithful belief: cultural construction condenses the hearts of the people, casting the stable development of the team! Innovative water supply equipment, which has been focusing on the Construction of chemical and municipal pipelines in power plants field for many years and has been crafting Three disc connection expansion joint products for many years, has always attached great importance to the impact of cultural concepts on enterprises! Honesty is the foundation of establishing a career and a person. People can not establish without faith, and Innovative water supply equipment is the same. Innovative water supply equipment takes "credit based, wealth life" as the source of value, which not only shows the importance of integrity, but also shows that this is the foundation of enterprise development. Only with credit can promote Innovative water supply equipment Three disc connection expansion joint product upgrading and better serve Construction of chemical and municipal pipelines in power plants customers. "Honesty and trustworthiness" is an important professional quality of Construction of chemical and municipal pipelines in power plants industry practitioners.

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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!

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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.

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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.