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Precautions for planning requests for mechanical rubber seals for autoclaves?

by:Lepu Seal     2021-06-04
Precautions for planning requests for mechanical rubber seals for autoclaves? What are the requests for mechanical rubber seals for autoclaves? What matters should be paid attention to? 1. Sealing material (seal material)-mainly refers to the sealing material (raw material), the unreasonable seal pair pairing can cause abnormal wear and leakage of the mechanical seal of the cauldron. The requirements for sealing materials include the selection of high pu-value paired seal materials, which have higher mechanical strength and good abrasion resistance. 2. The strength of the seal-under high pressure, the fluid pressure will deform the secondary end face of the seal, and the mechanical seal for the kettle will increase the starting torque as the medium pressure increases, so it is necessary to use high strength The seal information. 3. The smoothness of the seals-factors such as the conflict, wear and heat generation of the mechanical rubber seals will affect the life of the mechanical rubber seals, so smooth oil should be used. The mixing reactor used now is a vertical type, and the mixing shaft is composed of The top is pierced, and the seal is installed on the upper part of the kettle. Most of the odd peaks in the kettle are in the gas phase. Therefore, it is not practical to use the liquid in the kettle to be smooth. When using single-end mechanical rubber seals, it is necessary to set up an oil storage cavity; when using double-end mechanical rubber seals, it is necessary to force liquid to smooth the mechanical rubber seals. Considering the smoothness and air-tightness of the end face of mechanical rubber seals, it is best to use high-grade smooth oil. The selection principle of smooth oil is: 1. Does not include particles, has long-term oxidation resistance and good stability; 2. Simple degassing, is not easy to deposit and metamorphoses and has good smoothness; 3. Good corrosion resistance; 4. According to the operating pressure and the temperature in the kettle , The cycle method selects the viscosity of the oil.
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