Type Description
The bellow control valve is a pneumatically operated process valve with a single-acting diaphragm actuator. A PTFE bellow ensures the separation between medium and actuator. The materials used and the design of the media space allow the use under hygienic or aggressive conditions. It has a good cleanability. The combination with a controller (Type 869x) and the control cone integrated into the bellow enable the valve to handle demanding control tasks. The space-saving actuator with low internal volume not only results in a very compact size but also in remarkably low response times. The valve is characterized by a good control performance due to the low-friction design and has a linear characteristic. A certain variety of body and block system solutions are deliverable.
1）For neutral and aggressive media
2）Media separation by PTFE bellow
3）Hygienic design
類型描述
波紋管式調節閥是一款氣動操作的過程閥門，配有單動式膜片驅動器。PTFE 波紋管可保障介質和驅動器安全分離。所使用的材料和介質室的設計允許其在醫療衛生環境或腐蝕性環境中使用。可輕松方便地清潔調節閥。通過與調節器（型號 869x）組合和集成于波紋管中的調節輪廓，可完成高要求的調節任務。驅動器內部容量小，非常節約空間，這不僅使得其結構極為緊湊，同時也可大幅度縮短反應時間。因無摩擦的結構，閥門具有良好的調節性能及直線型特征曲線。另有多種殼體和區塊解決方案可供選擇。
（1）適用于中性和腐蝕性介質
（2）通過 PTFE 波紋管分離介質
（3）醫療衛生設計
