It is far from meeting the requirements of many media in the market. For example, when the operating medium is rosin, the operating temperature of the thermal insulation pneumatic ball valve is required to be 300 ℃, which is conducive to the rosin medium to obtain more ideal liquidity. The traditional O-ring as a sealing part cannot meet its requirements.
2 Improvement measures According to the existing problems of thermal insulation pneumatic ball valve, determine to improve the sealing material and structure of thermal insulation pneumatic ball valve.

Other parts of the tetrafluoro heat exchanger are similar to the common shell and tube heat exchanger and immersion heat exchanger which use metal tubes as heat transfer components. The chemical properties of polytetrafluoroethylene are extremely stable, and the corrosion resistance is particularly good. The polytetrafluoroethylene pipe wall surface is lubricated, and has moderate flexibility. There is slight vibration during operation, so it is not easy to scale. Tetrafluoro compensator Tetrafluoro heat exchanger is small in size and compact in structure. The heat transfer area per unit volume of equipment is more than 4 times that of metal tube shell and tube heat exchanger. The flexible polytetrafluoroethylene pipe can work safely in the impact and vibration of fluid, and the pipe bundle can be made into various special shapes as required. Polytetrafluoroethylene has low thermal conductivity, poor mechanical properties than metal, and is not resistant to high temperature. With small diameter and thin pipe wall, although the thermal conductivity and mechanical properties are compensated
However, it can only be used in places with lower pressure and temperature.? Precautions This product has been specially assembled and disposed, and the hose with a total length of 2m (including the connectors at both ends) weighs only 500g. It can greatly reduce the working intensity of operators, and at the same time, it has strong flexibility, free bending, and absolutely does not kill pleated obstacles for ventilation. This product is maintained by stainless steel double buckle self-locking spiral hose with advanced Japanese technology, and can accept a tensile force of 180kg without any damage during normal operation.