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Hot sale ductile iron DI expansion joint with epoxy coating

更新：2022-9-6 17:16:02 點(diǎn)擊：
  • 品牌 tuntaida
  • 型號(hào) VSSJAG
產(chǎn)品介紹

Describtion of ductile iron DI expansion joint:

  Power delivery joint is applicable for the pipeline which joints with flange on the both sides. Ajust the installation length to the flange on the both sides when installing, screw the bolts firmly one by one to make it as a whole with somewhat displacement. It is convenient to adjust on the spot when installs and maintains it later. This product can deliver axial power to the whole pipe when it is working.

Structure of ductile iron DI expansion joint:

 Power delivery joints of Runtaida are made of Valve body, Gasket,follower, limited short pipe, stud, nut.Main material is carbon steel with a good stiffness performance.limited bolt and nut are made of galvanized carbon steel in order to slow the degree of oxidation.

Feature  of ductile iron DI expansion joint :

Three flange dismantling adaptor is made strictly of high strength carbon steel or stainless steel using high-quality rubber,with rubber elastic deformation by compression principle, and is sealed under the action of gland and bolts. Steel dismantling joint is used for both sides flange connected pipes, which can be easy for installation and maintenance replacement to pumps and valves. It is the most ideal pipe installation and operation supporting products.

The material of  delivery joint
number Name Quality Material
1 Valve 1 QT450-10,Q235A,
2 Gasket 1 NBR
3 follower 1 QT450-10,Q235A
4 limited short pipe 1 Q235A,
5 stud n Q235A, 35
6 nut Tn Q235A,20

Main connecting dimension of  ductile iron DI expansion joint:


Main connecting dimension of  delivery joint:
   Nominal diameter   Extermal diameter of pipe   Shape dimension            flange connection size
    0.6 MPa     1.0 MPa
 L  L  D  D1  n-Th b  D  D1 n-Th   b
65 76        200        40  160 130  4-M12  16  185  145  4-M16 20 
 80  89  190  150   4-M16  18  200  160    8-M16 22 
 100  114  210  170  18  220  180 24 
 125  140  240  200   8-M16   20  250  210  26
 150  168  265  225  20  285  240    8-M20 26
 200  219  320  280  22  340  295  28
 250  273  375  335  12-M16  24  395 350  12-M20  28
 300  325      220        50  440  395   12-M20  24  445  400  12-M20  28
 350  377  490  445  26  505  460  16-M20 30
 400  426  540  495   16-M20  28  565  515  16-M24  32
 450  480  595  550  28  615  565  20-M24  32
 500  530  645  600  20-M20 30  670  620  20-M24  34
 600  630      240  755  705  20-M24  30  780  725  20-M27  36
 700  720  860  810  24-M24  32  895  840  24-M27  40
 800  820    350         60    975  920  24-M27  34  1015  950  24-M30  44
 900  920  1075  1020  24-M27  36 1115  1050  28-M30  46
 1000  1020  1175  1120  28-M27  36  1230  1160  28-M33  50
 1200  1220   370  1405  1340  32-M30  40  1455  1380  32-M36  56
 1400  1420  1630  1560  36-M33  44  1675  1590  36-M39  62
 1600  1620   380 1830  1760  40-M33  48  1915  1820  40-M45  68
 1800  1820  2045  1970  44-M36  50  2115  2020  44-M45  70
 2000  2020    400  2265  2180  48-M39  54  2325  2230  48-M45  74
 2200  2220  2475  2390  52-M39  60  2550  2440  52-M52  80
 2400  2420  2685  2600  56-M39  62  2760  2650  56-M52  82
 2600  2620     450     80  2905  2810  60-M45  64  2960  2850  60-M52 88 
 2800  2820  3115  3020  64-M45  68  3180  3070  64-M52  94
 3000  3020  3315  3220  68-M45  70  3405  3290  68-M56  100
 3200  3220  3525  3430  72-M45  76        

Application of ductile iron DI expansion joint:

Three flange dismantling adaptor is widely used in chemical, construction, water supply, drainage, oil, heavy industry, refrigeration, sanitation, plumbing, fire protection, electric power and other infrastructure projects, especially suitable for large vibration, frequent changes of hot and cold pipe due to the expansion joint with good overall performance.




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