美國派克PARKER氣動閥
氣動閥特點:結(jié)構(gòu)簡單,使用壽命長適用于幾乎所有介質(zhì),粘度zui大600mm2/s,耐高溫、耐化學腐蝕,防爆費用低,只需配小巧的72型防爆先導閥。
關(guān)于氣動閥
氣動閥應用領(lǐng)域:
罐裝/瓶罐系統(tǒng)
啤酒釀造和飲料技術(shù)
化工工業(yè)
食品工業(yè)
流體混合裝置
氣動裝置
真空技術(shù)
混凝士和水泥工業(yè)
水處理裝置
美國派克PARKER氣動閥
氣動閥操縱時的啟閉方向,一律應順時針封閉。
因為管網(wǎng)中的氣動閥,常常是人工啟閉,啟閉轉(zhuǎn)數(shù)不宜過多,就是大口徑閥門亦應在200-600轉(zhuǎn)內(nèi)。
為了便于一個人的啟閉操縱,在管道工壓狀況下,zui大啟閉力矩宜為240N-m。
閥體(包括變速傳動箱體)內(nèi)外,首先應拋丸清砂除銹,力求靜電噴涂粉狀無毒環(huán)氧樹脂,厚度達0.3mm以上。特大型閥門靜電噴涂無毒環(huán)氧樹脂有難題時,亦應刷涂、噴涂相似的無毒環(huán)氧漆。
閥體內(nèi)部以及閥板各個部位要責備面防腐,一方面浸泡在水中不會銹蝕,在兩種金屬之間不產(chǎn)生電化學侵蝕;二方面表面光滑使過水阻力減少。
閥體內(nèi)防腐的環(huán)氧樹脂或油漆的衛(wèi)生要求,應有相應權(quán)勢巨子機關(guān)的檢測講演?;瘜W物理機能亦應符合相關(guān)要求。
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