寶碩隔膜閥上海 BUSCHJOST隔膜閥用耐腐蝕襯里的閥體和耐腐蝕隔膜代替閥芯組件，利用隔膜的移動起調節作用。隔膜閥的閥體材料采用鑄鐵、鑄鋼，或鑄造不銹鋼，并襯以各種耐腐蝕或耐磨材料、隔膜材料橡膠及聚四氟乙烯。襯里的隔膜耐腐蝕性能強，適用于強酸、強堿等強腐蝕性介質的調節。

寶碩隔膜閥上海 BUSCHJOST隔膜閥用耐腐蝕襯里的閥體和耐腐蝕隔膜代替閥芯組件，利用隔膜的移動起調節作用。隔膜閥的閥體材料采用鑄鐵、鑄鋼，或鑄造不銹鋼，并襯以各種耐腐蝕或耐磨材料、隔膜材料橡膠及聚四氟乙烯。襯里的隔膜耐腐蝕性能強，適用于強酸、強堿等強腐蝕性介質的調節。
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寶碩隔膜閥上海 BUSCHJOST隔膜閥的結構簡單、流體阻力小、流通能力較同規格的其他類型閥大；無泄漏，能用于高粘度及有懸浮顆粒介質的調節。隔膜把介質與閥桿上腔隔離，所以沒有填料介質也不會外漏。但是，由于隔膜和襯里材料的限制，耐壓性、耐溫性較差，一般只適用于1.6MPa公稱壓力和150℃以下。
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BUSCHJOST隔膜閥的流量特性接近快開特性，在60%行程前近似為線性,60%后的流量變化不大。氣動形式的隔膜閥尚可附裝反饋信號、限位器及定位器等裝置，以適應自控、程控或調節流量的需要。氣動隔膜閥的反饋信號采用無觸點傳感技術。該產品采用薄膜式推進氣缸，替代活塞氣缸，排除了活塞環易損壞，造成泄漏而導致無法推動閥門啟閉的弊端。當氣源發生故障時，尚可操作手輪使閥門啟閉。8554635.8920.024.00
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BUSCHJOST隔膜閥是在閥體和閥蓋內裝有一撓性隔膜或組合隔膜，其關閉件是與隔膜相連接的一種壓縮裝置。閥座可以是堰形，也可以是直通流道的管壁。隔膜閥的優點是其操縱機構與介質通路隔開，不但保證了工作介質的純凈，同時也防止管路中介質沖擊操縱機構工作部件的可能性。此外，閥桿處不需要采用任何形式的單獨密封，除非在控制有害介質中作為安全設施使用。隔膜閥中，由于工作介質接觸的僅僅是隔膜和閥體，二者均可以采用多種不同的材料，因此該閥能理想地控制多種工作介質，尤其適合帶有化學腐蝕性或懸浮顆粒的介質。隔膜閥的工作溫度通常受隔膜和閥體襯里所使用材料的限制，它的工作溫度范圍大約為－50～175℃。隔膜閥結構簡單，只由閥體、膜片和閥頭組合件三個主要部件構成。該閥易于快速拆卸和維修，更換隔膜可以在現場及短時間內完成。8574203.9409.024.00
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BUSCHJOST隔膜閥特點：
（1）流體阻力小。
（2）能用于含硬質懸浮物的介質；由于介質只與閥體和隔膜接觸，所以無需填料函，不存在填料函泄漏問題，對閥桿部分無腐蝕可能。
（3）適用于有腐蝕性、粘性、漿液介質。
（4）不能用于壓力較高的場合。