Bag In/Bag Out The KWANG 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. ● Housing accommodates standard gel seal HEPA filters and prefilter. ● All pressure boundaries are fully welded. ● Multi-wide housings are equipped with a filter removal rod to draw the filters to the change out position. ● One PVC change out bag is furnished for each filter access port. 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 Flanges All housing flanges are turned out for ease of field connection and to keep them out of the contaminated gas stream, ensuring smooth non-turbulent airflow. Standard Final Filters The basic housing is designed for standard 24' x 24" x 11½" HEPA filters or carbon adsorber cells. kwang designs and manufactures a full line of HEPA filters and adsorber cells. Filters include highcapacity HEPA filters for service up to 2,000 CFM each. Door Details Door showing gasket, also pictured are optional lifting lugs, pressure taps, and weather cover. Dimensions Model Outer Size W×D×H(mm) Filter Size L×W×D(mm) Air Velocity (m3/s) LWB1700 400×725×900 305×610×292 1700 LWB3400 705×725×900 610×610×292 3400 LWB5100 705×1175×900 ＊ 5100 ● 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. ● Internal Locking Mechanism All fluid seal filters are sealed using an internally actuated locking arm. ● Flow of particlefree air (measured at 0.3µm particles) to meet clean room requirements—99.995% efficient ULPA filters also available ● 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. 1 1 2 3 4 5 2 3 Drawing of Structure Airflow Direction 1.Box 2.Cover Plate of Pre-filter 3.Differential Pressure Gauge 4.Cover Plate of HEPA filter 5.Aluminum Corrugated Hand Wheel 1.Pre-filter 2.HEPA filter 3.Scanner ● 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. ● Upstream Filter Seal: Each HEPA filter seals against the air entering face of the frame to prevent interior contaminant build-up. ＊Note: specifications listed in the table are only for customers' reference. It may be designed and manufactured according to customers' URS. * indicates that this specification needs two sizes of air filter are 305×610×292 and 610×610×292. 16 17 www.kwangpurification.com
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