• DI dismantling joint

DI dismantling joint

The DI dismantling joint is a piping expansion joint that can greatly reduce vibration and noise,which is wildly  used in pipeline system to solve pipe interface axial stretching displacement.

Product Details

Quick Details Parameter

Standard : ISO2531 EN545
Size : DN40 to 2000
Pressure : PN10 to 40
Material : Ductile iron
Body : Ductile iron
Bolts : Carbon sreel with zinc coating/stainless steel upon customers' request
Gaskets material : EPDM/NBR,SBR
Body coating : Fusion epoxy
Package : Bubble plastic bags, cartons and wooden cases or per as customers'request


 Dismantling joints:
1.material:  Ductile iron 
2.standard:  ISO2531,EN545 
3,pressure:  PN10-PN40 
4.Size:      DN50 to DN2000 
dismantling  joints:
Suitable for all flanged piping materials above ground or in chamber
Flanges and drillings to ISO7005-2 ( BS EN1092-2:1997,DIN2501)
Use : For water , sewage and neutral liquids to max .70°C
The dismantling joint enables easy installation and dismantling of isolating valves , non return valves , flow metering equipment , pumps etc.
It compensates for axial displacement of the pipe during installation/dismantling .
1) Follower gland ring : Ductile Iron GGG500-7
2) Flanged Adaptor bodies : Ductil iron GGG500-7
3) F-piece pipe : Ductile iron GGG500-7
4) Bolts , Nuts and Washers Material : Carbon Steel Grade 4.8 with Zinc Coating , Epoxy Coating or Dacromet Coating ; Or Stainless Steel upon customers request .
5) Tie Rods : Carbon Steel Grade 4.8 with Zinc Coating , Epoxy Coating or Dacromet Coating ; Or Stainless Steel upon customers request .
6) Gaskets material : For water or Gas :  NBR Grade A .
for drinking water : EPDM rubber to BS2494:1990 type W .
for drinking water and sewage : SBR Grade F .  
7) Body Coating : Fusion Bonded Epoxy Coating inside and outside , or bitumen painting upon customers request .   
8) Sizes :  DN50 - DN2000
9) Pressure Grade : PN10 / 16 / 25
10) Package : Bubble plastic bags , Cartons and Wooden cases .
Packaging & Shipping
               1.Bubble plastic bags
            2.cartons and wooden cases
            3.As customers'request

Company Profile

Dalian Xinbin Foundry Co., ltd. is located in Liaoning, Dalian which is famous for its international port and abundant iron ore, coke, steel and other industrial raw materials. Our factory was established in 2002, and we are a professional manufacturer of ductile iron products. We have the independent right of import and export.

We are a comprehensive manufacturer, and our product scope covers ductile iron pipes and ductile iron pipe fittings, flanges, dismantling joints, flange adapters, couplings, valves, manhole covers, rubber O-rings, fasteners and other casts items according with various international standards. We can also make drawings and samples as request.


Exporting to More Than 50 Countries
Our products are widely used in pipeline systems for drinkable water, sewage, oil, gas, chemical plants and so on, and they have been widely exported to Europe, the Middle East, Southeast Asia, Africa, and Latin and South America. Till now, we have been exporting our products to more than 50 countries all over the world, and they are well accepted by the customers, which help us to build a good reputation both in China and abroad.

Cooperate with Us Today
We always believe that prosperity due to integrity and capacity. We’d like to cooperate with friends from all around the world to make a win-win situation and better future.


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