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Single Flange Dresser Coupling is formed by adding a limit device to the basic sleeve Type Expansion Joint and locked at maximum expansion by double nut. The pipeline can thus freely expand in certain limit. When maximum valve is reached, it will be limited and effectively assure the pipeline working safety. Limited expansion joint is especially suitable for pipeline connection where vibration occur, where taper connection requested and bend pipeline connection.

Dresser Couplings are particularly suitable for simplifying the installation and removal of isolation valves,control valves, check valves, non-return valves, flow metering valves, pump sets, pressure reducing valves,flanged pipe fittings.The simplicity and versatility of the fittings make them suitable for many applications including pumping stations, water treatment works, sewage treatment works, plant rooms, meter chambers, power generation equipment, gas distribution stations.



VSSJA-1 (BF) single flange limited telescopic joint

VSSJA-1 (BF) single flange limited telescopic joint

  • VSSJA-1 (BF) single flange limited telescopic joint
  • VSSJA-1 (BF) single flange limited telescopic joint
  • VSSJA-1 (BF) single flange limited telescopic joint
Diagrammatic Drawing

VSSJ-1 (BF) single flange limited telescopic joint

1. Self -anchoring couplings and flange adpators

2. For ductile iron or steel pipes

3. Easy to use and to install

4. All weather installation

5. Can even be installed under water

6. Fully end load bearing

7. Easier fitting on oval pipes

8. Ideal for pumped sewerage pipelines

During the installation, adjust the installation length to the pipe and flange on the both sides, screw the bolts firmly one by one, weld the short pipes with the pipe, and then adjust the limited nut. This method makes it possible for the pipe to expand and contrast freely within the allowable range of the expansion joint. It also can secure the safe operation.

Our Dresser Coupling designed and manufactured to ISO 9001: 2008 and tested to the most exacting requirements of Water Regulatory Advisory Scheme for use with potable water.



Material of all parts
No.NameQuantityMaterial
1Valve body1QT400-15, Q235A, ZG230-450, 20
2Gasket1NBR
3Follower1QT450-10, Q235A, ZG230-450, 20
4Limited short pipe1Q235A, 20/16Mn
5long studnq235A, 35, 1Cr8Ni9Ti
6Nut5nQ235A, 20, 1Cr8Ni9Ti
7short studnq235A, 35, 1Cr8Ni9Ti
Main Data
Nominal Diameter DNExternal diameter of pipeexternal dimensioncompensation
length
Flange connection size
0.6Mpa1.0Mpa
DoDwL1
DD₁n-doDD₂n-do
657676340105501601304-φ141851454-φ18
8089891901504-φ182001608-φ18
100108108210170220180
100114114210170220180
1251331332402008-φ18250210
125140140240200250210
1501591592652252852408-φ22
150168168265225285240
200219219320280340295
25027327337533512-φ1839535012-φ22
3003253253501306544039512-φ22445400
35037737749044550546016-φ22
40042642654049516-φ2256551516-φ26
45048048059555061556520-φ26
50053053064560020-φ2267062020-φ26
60063063075570520-φ26780725
70072072086081024-φ2689584020-φ30
80082082059022013097592024-φ30101595024-φ30
900920920107510201115105024-φ33
1000102010201175112028-φ301230116028-φ33
1200122012201405134032-φ331455138028-φ36
1400142014281630156036-φ361675159032-φ40
15001520152817301660

36φ42
1600162016281830176040-φ1619151820
1800182018282045197044-φ402115202040-φ48
2000202020302265218048-φ422325223044-φ48
2200222022302475239052-φ422550244048-φ48
2400242024302685260056-φ422760265052-φ56
2600262026306002401502905281060-φ482960285056-φ56
2800282028303115302064-φ483180307060-φ56
3000302030303315322068-φ483405329064-φ56
3200322032303525343072-φ48

68-φ60
3400342034303735364076φ48


3600362036303970386080φ56


    None