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Conditions for Proper Selection of Insulation and Waterproof End Seals

发布时间:2019-10-15 16:43 Publisher: Hebei Xinfang Strategy PipelineTime : 2019-10-15 16:43

What conditions can be provided by the correct selection of thermal insulation waterproof end seals?

Insulation and waterproof end seal installation needs to pay attention to intact hydrophobic installation. When the condensate is discharged to the atmosphere, the rear shut-off valve, inspection valve and check valve may not be set.

If there is a filter inside the heat-preservation and waterproof end-sealing body, the filter can be omitted. Such as: free floating ball heat insulation waterproof end seal.

If the condensate pipe after the heat insulation and waterproof end seal is higher than the heat insulation and waterproof end seal, or there are several groups of hydrophobic installations that share a condensate pipe, a check valve is often required. If the heat-prevention and waterproof end-seal itself can play a check function, there is no check valve.

Drain installation should be as close as possible to the heating equipment or steam mains to avoid "steam blocking". Insulation and waterproof end seals cannot be connected in series and can be connected in parallel. Such as: The correct selection and device application of large-scale hydrophobic heat insulation waterproof end seals

The working temperature of the thermal insulation waterproof end seal is determined according to the steam used by the steam using equipment, and it should be selected not lower than the temperature of the steam used.

Waterproof and waterproof end seal

The thermal insulation waterproof end seal has two types of installation: horizontal and vertical.It is the connection position of the pipeline and the thermal insulation waterproof end seal to ensure that the connection method of the thermal waterproof end seal is thread, flange, welding, clip, etc. The working pressure, working temperature of the thermal insulation waterproof end seal and the requirements of the corresponding connection parts of the steam using equipment shall be determined.

In addition to the pressure, temperature and other parameters of the heat-prevention and waterproof end-seals should be matched with the conditions of the equipment used, the displacement of the heat-prevention and water-proof end seals under various pressure differences is an important factor in choosing the heat-prevention and water-proof end seals.

If the drainage capacity of the insulation and waterproof end seal selected for installation is too small, all the condensate that has reached the insulation and waterproof end seal cannot be eliminated in time, which will cause the condensed water to flow backward, which will eventually cause blockage and significantly reduce the heating efficiency of the equipment.

Choosing a thermal insulation and waterproof end seal with a large displacement will cause premature wear and failure of the valve closure. The amount of condensed water generated in the equipment or pipeline must be correctly measured or calculated according to calculation formulas to provide conditions for the correct selection of thermal insulation waterproof end seals.

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