Monolithic Insulating Joint 300mm DN40-DN700 PN1.6 Mpa PN2.5 Mpa PN4.0 Mpa PN6.4 Mpa PN10.0 Mpa
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Product Introduction
Insulated joint is an indispensable and important pipeline accessory in the gas transmission and distribution system and oil pipeline system. It is mainly used in the gas transmission and distribution system and the gas pressure regulating station. Its function is to insulate and isolate the sections of the gas transmission and distribution pipeline, the gas pressure regulating station and the transmission and distribution pipeline from each other, protect it from electrochemical corrosion, extend its service life, and can also be directly buried for use. Based on the comparison, analysis and research with foreign products, the integrated insulation joint of our company is mainly designed for the leakage problems that often occur in China's gas transmission and distribution pipelines.
Product Features and Structural Principles
The integral insulating joint is composed of the following parts: upper and lower pipes, sleeves, insulating parts, seals, and insulating coatings. The upper and lower pipes of the insulating joint are connected with the end pieces, and the insulating parts and sealing parts are clamped to form a double sealing structure with insulating properties. The sleeve adopts two forms of groove welding or direct welding with the upper pipe, which firmly seals the insulating parts and the upper and lower pipes inside to form a "sealed container", which not only ensures good insulation effect, but also greatly improves the pressure bearing capacity of the insulation structure.
Pressure rating
| PN25 pressure class insulated joint | |||||
| Type | Specification | A | B | L | Steel pipe material |
| DN25-25 | DN25 | 34 | 4 | 250 | Steel Pipe 20 GB/T8163 |
| DN25B-25 | 32 | 4 | 250 | ||
| DN40-25 | DN40 | 48 | 4 | 300 | |
| DN50-25 | DN50 | 60 | 4 | 350 | |
| DN50B-25 | 57 | 4 | 350 | ||
| DN65-25 | DN65 | 76 | 5 | 350 | |
| DN80-25 | DN80 | 89 | 5 | 400 | |
| DN100-25 | DN100 | 114 | 5 | 400 | |
| DN100B-25 | 108 | 5 | 400 | ||
| DN125-25 | DN125 | 140 | 6 | 500 | |
| DN125B-25 | 133 | 6 | 500 | ||
| DN150-25 | DN150 | 168 | 7 | 500 | |
| DN150B-25 | 159 | 7 | 500 | ||
| DN200-25 | DN200 | 219 | 7 | 500 | |
| DN250-25 | DN250 | 273 | 8 | 800 | |
| DN300-25 | DN300 | 325 | 8 | 800 | |
| DN350-25 | DN350 | 356 | 8 | 900 | |
| DN350B-25 | 377 | 8 | 900 | ||
| DN400-25 | DN400 | 406 | 8 | 900 | Steel Pipe 16MnR GB6654 |
| DN400B-25 | 426 | 8 | 900 | ||
| DN450-25 | DN450 | 457 | 8 | 900 | |
| DN450B-25 | 480 | 8 | 900 | ||
| DN500-25 | DN500 | 508 | 10 | 900 | |
| DN500B-25 | 530 | 10 | 900 | ||
| DN600-25 | DN600 | 610 | 10 | 1000 | |
| DN600B-25 | 630 | 10 | 1000 | ||
| DN700-25 | DN700 | 711 | 10 | 1200 | |
| DN700B-25 | 720 | 10 | 1200 | ||
| DN800-25 | DN800 | 813 | 12 | 1300 | |
| DN800B-25 | 820 | 12 | 1300 | ||
| PN40 pressure class insulated joint | |||||
| Type | Specification | A | B | L | Steel pipe material |
| DN25-40 | DN25 | 34 | 4 | 250 | Steel Pipe 20 GB/T8163 |
| DN25B-40 | 32 | 4 | 250 | ||
| DN40-40 | DN40 | 48 | 4 | 300 | |
| DN50-40 | DN50 | 60 | 4 | 350 | |
| DN50B-40 | 57 | 4 | 350 | ||
| DN65-40 | DN65 | 76 | 5 | 350 | |
| DN80-40 | DN80 | 89 | 5 | 400 | |
| DN100-40 | DN100 | 114 | 5 | 400 | |
| DN100B-40 | 108 | 5 | 400 | ||
| DN125-40 | DN125 | 140 | 6 | 500 | |
| DN125B-40 | 133 | 6 | 500 | ||
| DN150-40 | DN150 | 168 | 7 | 500 | |
| DN150B-40 | 159 | 7 | 500 | ||
| DN200-40 | DN200 | 219 | 7 | 500 | |
| DN250-40 | DN250 | 273 | 8 | 800 | |
| DN300-40 | DN300 | 325 | 10 | 800 | |
| DN350-40 | DN350 | 356 | 12 | 900 | |
| DN350B-40 | 377 | 12 | 900 | ||
| DN400-40 | DN400 | 406 | 10 | 900 | Steel Plate 16MnR |
| DN400B-40 | 426 | 10 | 900 | ||
| DN450-40 | DN450 | 457 | 10 | 900 | |
| DN450B-40 | 480 | 10 | 900 | ||
| DN500-40 | DN500 | 508 | 12 | 900 | |
| DN500B-40 | 530 | 12 | 900 | ||
| DN600-40 | DN600 | 610 | 14 | 1000 | |
| DN600B-40 | 630 | 14 | 1000 | ||
| DN700-40 | DN700 | 711 | 14 | 1200 | |
| DN700B-40 | 720 | 14 | 1200 | ||
| DN800-40 | DN800 | 813 | 16 | 1300 | |
| DN800B-40 | 820 | 16 | 1300 | ||
1.Shrink bag–> 2.Small Box–> 3.Carton–> 4.Strong Plywood Case
One of our storage
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Packing & Shipment
1.Professional manufactory.
2.Trial orders are acceptable.
3.Flexible and convenient logistic service.
4.Competitive price.
5.100% testing,ensuring the mechanical properties
6.Professional testing.
1.We can guarantee the best material according to related quotation.
2.Testing is performed on each fitting before delivery.
3.All packages are adapt for shipment .
4. Material chemical composition is conformed with international standard and environment standard.
A) How can I get more details about your products?
You can send an email to our email address. We will provide catalogue and pictures of our products for your reference.We can also supply pipe fittings, bolt and nut, gaskets etc. We aim to be your piping system solution provider.
B) How can I get some samples?
If you need, we will offer you samples for free, but new customers are expected to pay express charge.
C) Do you provide customized parts?
Yes, you can give us drawings and we will manufacture accordingly.
D) To which country have you supplied your products?
We have supplied to Thailand, China Taiwan, Vietnam, India, South Africa, Sudan, Peru , Brazil, Trinidad and Tobago, Kuwait, Qatar, Sri Lanka, Pakistan, Romania, France, Spain, Germany, Belgium, Ukraine etc. (Figures here only include our customers in latest 5 years.).
E) I can’t see the goods or touch the goods, how can I deal with the risk involved?
Our quality management system conforms to the requirement of ISO 9001:2015 verified by DNV. We are absolutely worth your trust. We can accept trial order to enhance mutual trust.
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