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The structure characteristics of sleeve type compensator
Sleeve type compensator said tubular expansion joints, is hot fluid pipeline compensation device, mainly used for the straight pipe linings. Suitable for hot water, steam, oil medium, through the sliding movement of the sliding sleeve external sleeve, compensation of thermal expansion.
Sleeve type compensator is suitable for the medium pressure 2.5 MPa or less, the medium temperature and 40 ℃ ~ 600 ℃.
Sleeve type compensator using new type of flexible graphite ring sealing material, its strength, low friction coefficient (0.04 ~ 0.10), not aging, effect is good, easy maintenance, etc.
The service life of the sleeve type compensator, fatigue life and pipeline. Sliding surface through special processing, in salt water and salt solution environment corrosion resistant performance is good, more than 50 times higher than austenitic stainless steel. Weakened at the same time, after years of sealing effect caused by the wear, but again the fastening flange, enhance the sealing performance, bolt can be loosed, press circle, and then into a layer or two layers of sealing ring, compaction pressure, continue to use.
Sleeve type compensator for chloride ion content requirements, especially suitable for medium or chloride ion overweight on the system of the surrounding environment.
Sleeve type compensator is unidirectional and bidirectional compensation structure, two-way type is characterized by whatever medium from compensator He Duan inflows, the sliding sleeve are always free at the ends of the compensator, achieve two-way compensation function, increase the amount of compensation.
Directly buried sleeve type compensator can directly buried underground, when installation is not set maintenance well, low engineering cost.
Sleeve type compensator model example
The technical parameters of sleeve type compensator
1, TD type one-way compensator technical parameters are shown in table 1, the structure is shown in figure 1.
2, TS bi-directional compensator technical parameters are shown in table 2, the structure is shown in figure 2.
3, directly buried type sleeve compensator structure as shown in figure 3.
4, note type sleeve compensator is shown in figure 4.
Sleeve type compensator installation requirements
1, compensator installation time, first check whether the specification is consistent with the order.
2, unidirectional sliding sleeve compensator should be installed in the medium into the side.
3, with compensator on both ends of the welding groove processing section must, after welding specification according to acceptance of hydraulic experiment, pressure is 1.5 times of working pressure. When pressure testing such as leak sealing device, should tighten bolt, tighten until no leaks.
4, compensator along the center line of the pipeline installation, alignment is more than 1%, in case of a runtime friction force is too large, and affect the sealing.
5, in the near the compensator of the pipe should be set up guided sliding support, to prevent the lateral displacement.
Six, pay attention to protect sliding surface, it is forbidden to touch or corrosion.
7, two-way compensator outer sleeve used the fixed support and maintain with concentric tube, on both sides of the compensation to approximately the same distance.
8, compensator under various temperatures, which can be installed according to the maximum length Lmax without pretension or preloading (materials to the maximum length of the products).
The use of sleeve type compensator and maintenance
1, in the operation of the pipeline, compensator sliding sleeve are strictly prohibited from lateral thrust, should always be guaranteed with axial concentric line, and avoid impeding normal sliding sliding sleeve.
2, maintenance should check the sealing device, tighten bolts in time, guarantee the seal has no leakage.
3, compensator, sliding sleeve surface corrosion is serious, tighten bolts back leakage effect is not obvious, should consider to replace the compensator.
Note filling type set to the main characteristics of compensator
1, the product has high reliability, long life and minimal maintenance.
2, can be in the pipeline under normal operation of the maintenance, the maintenance process simple. (need to be equipped with a special note fill tools and packing.)
3, when you order it should indicate the note type.
