Low Leakage Bubble Tight Damper for Bio Safe
Applicable in Safe Chnage Filter Housing (Bag-In/Bag-Out), P3/P4 lab The isolation dampers are used to isolate the duct or bibo housings HEPA or carbon filters for purpose of decontamination for major alternation works, replacement of filters,testing and air balancing.
Bubble Tight Dampers (BTD) or Air Tight dampers are of zero leakage are suitable for extremely high risk biosafety or animal biosafety Laboratories levels L3 above, radioactive,nuclear and chemical safety.
Construction
The damper is constructed of stainless steel 304, with flanges fully welded to both ends with minimum flange to flange distance of 200 mm.
Available in square flanges for easy BlBO housing connections. Bolting holes at flanges are provided.
Airtightness
The initial pressure was at least 3000Pa lower than the ambient pressure, the hourly leakage rate does notexceed 0.25% of housing volume.
The operation is manual, optional electric or pneumatic actuator.