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The telescopic expander is also called a telescopic joint, an expansion joint, and a compensator. The telescopic expander can be axially extended and retracted within a certain range, and can also overcome the offset caused by the different axial joints of the pipe within a certain angle, which can greatly facilitate the installation and disassembly of the valve pipe, and allow the amount of expansion and contraction in the pipe. It can be freely stretched and stretched. Once it has passed its large expansion and contraction, it will play a limit role and ensure the safeoperation of the pipeline.


SSQ type sleeve type telescopeic device

SSQ type sleeve type telescopeic device

  • SSQ type sleeve type telescopeic device
  • SSQ type sleeve type telescopeic device
  • SSQ type sleeve type telescopeic device
Diagrammatic Drawing

SSQ type sleeve type telescopeic device

1. Casing type retractor This product provides great convenience for the installation and replacement of various water supply and drainage pipes, water towers, water pumps, water meters and valves. It provides a good adjustment function for long-distance pipelines due to temperature difference expansion and contraction.

2. Casing type retractor The inner tube of this product is divided into cast iron (HT), galvanized (DX) and steel (SF). The working pressure is divided into three types: PN6, PN10 and PN16.

3. Before installing the telescopic retractor, loosen the platen bolts, pull the product to the installation length, and then tighten it diagonally. Do not bias it. For overhead use, install the corresponding fixing brackets at both ends

4. The flange connection adopts GB4216.3 - 4126.5 standard.

If other specifications are selected, they can be produced separately. Connection method: Flange connection and welding, direct-buried retractor (non-ground trench, when installing the well) is generally welded.



Main Data
Nominal diamet
erof DN
The minimum l
engthof L
lnstallation of¹
 length L₁
The maximum²
lengthof L₂
Expansion amount
4014017020040
5016019022540
6517020524050
8017020524060
10018022025570
12518022025570
15020024027580
20021025028580
25022026531080
30022026531090
35024029033590
40025030035090
45026031537090
50027033038590
600290350410100
700300360420100
800320385450100
900350415480100
1000350415480100
1200390465540100
1400470545620110
1600470545620110
1800470545620120
2000480555630120
2200500580660130