Wuxi Lenge Purification Equipments Co., Ltd.
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304/316L Stainless Steel BIBO Filter System With Flange and Closed Valve
The LENGE Bag In/Bag Out side access filter system is a safe, simple, reliable method for removing contaminated particulate filters and/or gas absorbers used for air purification in hazardous environments. With this system, maintenance personnel are protected from coming in direct contact with the interior of the housing and hazardous contaminants during filter change-out.
Characteristics and Features:
Manufactured from powder-coated cold-rolled sheet or 304 stainless steel and 316 stainless steel for option.
Deep Adsorber Housing: Housings are available for 12", 16"and 18" filter cells. When additional residence time is required, these units can be furnished in series, or operated at lower face velocities.
Containment System:
Three Filters Per Door
Units up to three filters wide are serviced through only one door. Two doors are furnished with units four through six filters wide, one on each side of the housing.
Separate Door
Each filter component, prefilter, HEPA filter, and adsorber filter is furnished with an individual door with protective bag to allow selective, safe, and economical service.
External Locking Mechanism
All gasket seal filters and adsorbers are furnished with a replaceable clamp type locking mechanism which is actuated from outside the housing. Filter seals can be “fine-tuned” as needed without opening the door. An optional security device is available to turn an external locking mechanism into an internal locking mechanism.
This requires that the door be opened for the locking mechanism to be activated.
Filter Module
Pre filter -- Panel filter G4
HEPA filter -- Gel sealed mini-pleated HEPA filter H14
Fan modules includes 99.99% efficient HEPA filter to ensure clean working conditions.
| Model | Overall size W×D×H | HEPA size W×D×H | Rated air flow(m3/s) |
| LWB1700 | 400×725×900 | 305×610×292 | 1700 |
| LWB3400 | 705×725×900 | 610×610×292 | 3400 |
| LWB5100 | 705×1175×900 | * | 5100 |
Note: specifications listed in below table are only for customers' reference. It may be designed and manufactured according to customers' URS. *indicates that this specification needs one air filter of 305x610x292 and one of 610x610x292.
Our company has passed the ISO 9001 quality management system, ISO 14001 environmental management system, ISO 45001 Occupational health and safety management system certification. Air filter, liquid filter, purification equipment products have passed the international certification. The whole series of clean-room equipments have passed CE certification. And we have the leading technology detection line, established the "Wuxi terminal filtration equipment Technology Research Center" and "Jiangsu Province precision filtration Engineering Technology Research Center". In recent years, we have undertaken 3 scientific research projects at or above the provincial and ministerial level, and 37 authorized patents, including 9 invention patents, 26 utility models, and 2 designs. Formed 3 enterprise standards and obtain 2 product certification approvals. The laboratory of our company has passed the national CNAS certification, won the approval of Jiangsu Province Specialized and special new small and medium Enterprises in 2022, and won the national specialized and special new small and medium enterprises in 2023.