打开锅炉的前后烟箱门,检查密封垫片及烟垢,以决定是否更换和清理,同时检修浇注的耐火混凝土和密封石棉垫(绳);
Open the smoke chamber of boiler; check the seal patch and smoke dirt to decide if it needs to clean up or replacement.
配方是影响无石棉胶乳抄取密封材料性能的重要因素。
Formula is an important impacting factor of the asbestos-free latex sealing material in performance.
密封件可以是高分子材料、石棉或橡胶,密封件材料的选择取决于阀门所输送的介质成分、工作温度、工作压力和流速。
Seals can be polymer materials, asbestos or rubber seal material selection depends on the valve components of the transmission medium, operating temperature, working pressure and flow rate.
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