Zero Leakage Bio-Safe Bubble Tight Damper Round or Rectangle
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Product Highlights
- Zero Leakage Performance: Bubble-tight design with silicone blade seal and double-gland axle seals ensures lowest possible leakage rating.
- Stainless Steel 304 Construction: Constructed from durable Stainless Steel 304 with fully welded flanges for robust industrial use.
- High Airtightness Standard: Hourly leakage rate does not exceed 0.25% of housing volume under 3000Pa pressure differential.
- Versatile Actuator Options: Standard manual handwheel actuator with optional electric or pneumatic actuators available.
- Multiple Shape Configurations: Available in both circular and rectangular shapes to fit various valve blade requirements.
- Biosafety Laboratory Suitability: Ideal for L3+ biosafety, animal biosafety, radioactive, nuclear, and chemical safety laboratories.
- Bag-in Bag-out Compatibility: Designed for isolating filters and contaminated components in bag-in/bag-out systems.
- Standard Flange Connection: Features fully welded flanges with minimum 200mm distance and available square flange options.
Product Attributes
- Customization
- Available
- Media
- Gas
- Temperature
- Ordinary Temperature
- Model NO.
- BTD
- Type
- Direct-acting
- Material
- Stainless Steel
- Connection Form
- Flange
- Pressure
- High Temperature
- Actuator
- Manual
- Seal Surface
- Parallel Gate Valve
- Thread Position of Valve Rod
- Outside Gate Valve
- Usage
- Safety, Flow Control
- Standard
- GB
- Application
- Industrial Usage
- Housing Metarial
- Stainless Steel 304
- Actuator(Optional)
- Electric or Pneumatic
- Transport Package
- Carton
- Specification
- Customized
- Trademark
- OEM
- Origin
- China
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Product Description
Bubble-tight damper designed for isolation applications. Bubble-tight means the damper has the lowest possible leakage rating: zero.
The silicone blade seal and double-gland axle seals provide bubble-tight performance.
Standard bubble-tight damper includes a manual handwheel actuator.
There are many options when considering electric or pneumatic actuators.
Some include solenoid valves and switches. Contact factory for assistance.
Typical applications: Isolate filters and contaminated components in bag-in/bag-out systems.
According to the different shape of the valve blade,there are circle and rectangle bubble tight dampers.
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.





About the Supplier
This supplier has been audited by BV. Verify the report on the official BV website with ID "MIC-ASI2541857". Items marked "" are certified.
Company Profile
Suzhou KELSEN Air Filtration System Co., Ltd has been a leader of designer & manufacturer in the field of contamination control for over 15 years in China. During this time we have proficiently designed and manufactured many types of equipment. We are the preferred OEM vendor of several world-famous filtration companies, especially for pharmaceutical equipment, such as FFU, HEPA box, BIBO, laminar flow cabinet, etc. We also can supply full range of air filters from pre filter to ULPA filter.
We produce original custom designs using the most advanced technology available in the field. We got complete fabrication capacities from raw material to finished products including cutting, bending, welding and polishing.
Our equipment is built, tested, shipped, delivered and certified with a very high level of undivided attention and accountability.
The design of each cleanroom or laminar flow unit must be specific to the task. We manufacture as per our customers' requirements. We build floor-supported or ceiling-suspended units, making provisions for adaptation of the design if unit relocation at later date may be necessary.
At your request we will provide a list of satisfied customers who will surely speak highly of our capabilities, performance, and customer service.
Markets Served
Pharmaceutical
Drug Packaging
Veterinary Medicine
Micro Electronics
Forensic Sciences
Automotive
Aerospace
Healthcare
Food Processes
Medical Device
Semiconductor
Life Science
About Our Factory & Business Background
- Address
- Building 2, No. 50 Caohu Avenue, Caohu Street, Suzhou, Jiangsu, China
- Terms of Payment
- LC, T/T, D/P
- International Commercial Terms(Incoterms)
- FOB, EXW, CIF, DAP, FCA
- Average Lead Time
-
Peak Season Lead Time: one month
Off Season Lead Time: within 15 workdays
Our Production Capability & Technical Expertise
- Main Products
- HEPA Box, HEPA Filter, Bubble Tight Damper, Bag-in Bag-out, Weighing Booth, Air Filtration, Laminal Flow Bench, Bag Filter
Our Industry Experience & Global Business Record
- Export Year
- 2017-01-01
- Main Markets
- North America, South America, Eastern Europe, Southeast Asia, Mid East, Eastern Asia, Western Europe
FAQ
- What is the leakage rating of this damper?
- The damper offers bubble-tight performance with zero leakage, ensuring the hourly leakage rate does not exceed 0.25% of housing volume.
- What materials are used for construction?
- The damper is constructed of Stainless Steel 304 with fully welded flanges.
- What actuator options are available?
- It comes standard with a manual handwheel actuator, but electric or pneumatic actuators are optional.
- What shapes are available for this damper?
- The damper is available in both circular and rectangular shapes depending on the valve blade requirements.
- Where is this damper typically applied?
- It is suitable for L3+ biosafety laboratories, radioactive, nuclear, and chemical safety applications, as well as isolating HEPA filters.
- What is the minimum flange to flange distance?
- The damper features a minimum flange to flange distance of 200 mm.
- Is this damper suitable for bag-in/bag-out systems?
- Yes, it is designed to isolate filters and contaminated components in bag-in/bag-out systems.
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