Valve accessories 附件-清潔殼面

Valve accessories

附件-清潔殼面

Purge housings

廠牌:VICI AG
供應商:恆奕企業有限公司【恆誼儀器有限公司】
聯絡電話:02-22566685#17
定價:與我們聯絡

相關網頁

快速詢價

7429

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purge housing

Purge housings

Purge housings for Valco valves eliminate any possible diffusion from the atmosphere into the valve, or safely vent fugitive emissions from the valve. They are typically used in trace level analyses to isolate the valve from ambient air, but can also be used as a safety measure to isolate a valve against leaks into the atmosphere, such as when pyrophoric, toxic, or carcinogenic materials are present in the sample stream.

Two screws secure each half of the purge housing to the valve, so that the rear chamber of the housing (the preload assembly/spring side of the valve) can be removed for rotor inspection or replacement without affecting the actuator side of the housing. (See exploded view)


Ordering information

Because there are so many variables, purge housings are not available for purchase on the website. Please contact the factory for assistance.

Field installation of purge housings is not recommended. Ideally, the purge housing should be ordered at the same time as the valve so that it can be factory installed. An existing valve can be returned to the factory to have a purge housing retrofitted. Purge housings require a standoff assembly, which can be 2, 3, 4, or 6” long. Multiposition valves also require an actuator – no manual version is available.


Drawing

Exploded view of purge housing.


Further reference

Overview of controllers and interfaces

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