Pneumatic valve body material chooses how to consider heat resistance? 33

when the pneumatic valve working at high temperatures, the strength of the pneumatic valve body materials, hardness decreases with temperature rise, and should consider the use of the material temperature limit at this time. If the temperature exceeds the limit, is generally use high temperature resistant performance is better materials, it is more convenient, but with time on election materials are still short of pneumatic valve heat resistance requirements, would then set the heat sink in the structure, or set the cooling jacket.
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