Construction details:
EIE ‑ Fume Cupboard is of constant supply air hood with auxiliary bye‑pass provision. Three sides of the hood are permanently closed and the front side provided with sliding door with 5 mm clear toughed glass/ Polycarbonate sheet panel in suitable frame. Further, it is provided with a specially designed under‑bench storage shelf, which acts as a support‑stand for the hood as well as provides a large space for keeping reagent bottles, small instruments etc. Each under‑bench module is provided with top drawer and a horizontal partition and lockable doors.
Material of construction:
The complete cabinet is made out of 18 SWG Galvanized Iron with PU Coated Construction in exteriors by polyurethane paint coated finish and inner work area is covered with 3 mm FRP‑GP lining for up to 900 mm height from the worktable
Front door (Sliding sash):
The Front door is made of 5 mm thick Polycarbonate sheet, connected to suitably balanced counter weight through wire rope for smooth up & down movement.
Inner chamber (Working area):
Inside the working chamber, there will be a sturdy baffle provided at about 300mm above the work‑table to uniformly direct the fumes / odor / smoke directly in to the hood's exhaust system. Suction will be done at three different levels suitable for mild to heavy fumes.
Working surface:
The work table is made of Jet Black Granite / single molding 6 mm thick FRP with heavy underneath support.
Sink:
Made of FRP / PP with two way swan neck water tap
External finish:
Smooth and polished finish
Color:
Combination of D.A. Grey & white with Red border for aesthetic look
Chemical Storage base Cabinet:
Chemical storage base cabinet acting as a support stand for fume hood with doors & locking arrangements
Centrifugal blower & ducting:
Fume chamber will be provided with a powerful centrifugal blower, mounted on top of the Hood, suitably designed to create necessary suction pressure so as to force the fumes from the hood to exhaust out in to the atmosphere through the duct. The blower and casing will be made of mild steel with polyurethane paint coated / FRP finish.
Exhaust Blower:
Exhaust blowers for fume hood is designed based on the front opening area. The blower for the hood will be of 1500 CFM displacing capacity at a minimum of 65mm WC static and driven by 1 / 1.5 HP, 1440 RPM, 3‑ phase (three) motor of any reputed make such as LHP / CROMPTON / KIRLOSKAR. The blower is of DYNAMICALLY BALANCED & made of MS with CRCA sheet metal casing with complete inside FRP lining.
Duct & whether cowl:
The complete motor & blower unit will be mounted directly on the top of the Hood or shall be installed on dedicated platform /foundation laid outside the lab and should be connected through the 200 mm diameter exhaust duct made of rigid PVC pipe ‑ up to a length of 10 Feet with suitable whether cowl. Suitable DOL starter with overload relay will be provided for the operation of the motor.
Other facilities included within the unit:
- Illumination ‑ 4 Feet, 40 watts Fluorescent tubes
- 2 Nos. of 5/15A power sockets
- Two inlet nozzles for gas / vacuum supply
- Heavy duty floor leveling screws (Floor leveling jacks)
Note
- Provision for safe storage area for Furniture /Fume hood
- Unloading and internal shifting of material up to installation location in client scope.
- Clear passage for bringing Lab Furniture/ Fully assembled Fume Hood in Lab (Ideal min 1000mm)
- Clear height up to False Ceiling: (Fume hood Min. 2850mm)
- Clear height up to Ceiling (For ducting purpose min 3000mm)
- Provision for Blower Foundation (R.C.C.) or M.S. structure
- Flooring and Painting of the lab must be complete before starting of installation work.
- Provision for utility lines and drainage line up to the Fume Hood's inlet
- Room Exhaust - There should not be nay other exhaust system which may create negative pressure in the room.
- Top fume hood (without base cabinet )is required then provision of sufficient platform depth (min 1000mm) and height (700mm) provided to exhaust Fan Motor
Working size |
1800 mm x 900 mm x 900 mm (6 x 3 x 3 Feet ) (W x D x H) |
Overall size |
1900 mm x 950 mm x 2400 mm (W x D x H) |
Front door slide |
900 mm height from the bed /work table |
Worktable height |
900 mm from the floor level |
Air Balancing |
100% Exhaust with air bye‑pass entry |
Noise Level |
70 dB "A" Scale if blower mounted outside the lab |
Suction Velocity |
80 to 100 FPM when the door half‑closed |
Power Supply |
Three Phase, 430 V, 50 Hz |