Telescopic Limiting Telescopic type sf/sqx, commonly known as expansion joints or pipe compensators. Its structural form is almost the same as that of the casing type cast iron telescopic device. It is divided into two types: limit telescopic device and non limit telescopic device. When ordering, it is important to specify whether to install a limit device. Advantages of the telescopic device: It can be processed according to the expansion amount required by the user, and can withstand high pressure up to a limit of 60 mpa (DN 300 or less). It has good toughness, and will not cause damage to the telescopic device due to improper operation during installation.
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SQX type limit retractor
The limit retractor model SF/SQX is commonly referred to as an expansion joint or pipe compensator. The structural form of the limit expansion device is almost the same as that of the casing type cast iron expansion device. It is divided into limit expansion devices and non limit expansion devices. When ordering, it is important to specify whether to install a limit device.
Advantages of SQX type limit retractor
It can be processed according to the expansion amount required by the user, and can withstand high pressure with a limit of 60Mpa (below DN300). It has good toughness, and will not cause damage to the expansion device due to improper operation during installation.
Disadvantages of SQX type limit retractor
Corrosion resistance is not as good as that of cast iron telescopes, but its material can be changed, such as stainless steel, at a higher cost.* The size can be processed to DN4000.
Scope of use of SQX type limit retractor
SQX type limit retractor is suitable for transporting seawater, fresh water, cold and hot water, drinking water, domestic sewage, crude oil, fuel oil, lubricating oil, product oil, air, gas, steam and particulate powder with a temperature not higher than 170 degrees Celsius.
Detailed description of SQX type limit retractor
1. The expansion device provides great convenience for the installation and replacement of various water supply and drainage pipelines, water towers, pumps, water meters, and valves. The pipe expansion device plays a good regulating role in the expansion and contraction of long-distance pipelines due to temperature differences.
2. The inner tube materials of the expansion joint are divided into three types: cast iron (HT), galvanized (DX), and steel (SF). The working pressure is divided into PN5, PN10, and PN16.
3. Before installing the expansion joint, loosen the pressure plate bolts, pull the product to the installation length, and then tighten it using the diagonal method. Do not press it sideways. If it is used overhead, install corresponding fixing brackets at both ends.
4. Flange connection adopts GB4216.3-4216.5 standard.
5. If other specifications are selected, they can be produced separately. Installation data sheet of limit retractor
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