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valve opening

 :: Academic Section :: Faculty of Mechanical Engineering

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valve opening Empty valve opening

Post by yangtao Thu Jan 06, 2011 8:41 am

Stem in the valve opening and closing process is not only moving parts, mechanical parts, but also seals. Same time, it was the media impact and corrosion, but also packing friction. Therefore, in the choice of stem material, you must ensure it provides adequate temperature strength, good impact toughness, scratch resistance, corrosion resistance. Stem is a consumable, the choice should also note that the mechanical properties and heat treatment processing performance

yangtao

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