Industrial centrifugal high pressure fan and ventilators, high cpapcity fan and blowers, centrifugal and axial fan ventilators, roof / wall exhaust and supply fans and inline ventilator fans. Sales of roof and wall exhaust / air make up fans ventilators.
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ILG Fans and Blowers manufactured by experts!

CRD, CRDA, CRF, CRB, CRBCA, CRB ventilators: spun aluminum centrifugal downblast power roof ventilators. Fan sizes: 6 to 52. Capacity: up to 45,000 CFM. Pressure: up to 2.5 inches of water gauge. Ventilator accessories: gravity shutter, motorized back draft damper, roof curb, grease box, disconnect switch, controls.

UBC, UBCA, UBCHD, UDC, UDCA, CUB, CUD, CUBA, CUDA fans - spun aluminum centrifugal upblast power roof ventilators in UL 705 and UL 762 grease extractor construction. Sizes: 6 to 44. Capacity: up to 30,000 CFM. Pressure: up to 3 inches of WG. Fan accessories: gravity shutter, motorized back draft damper, roof curb, grease box, disconnect switch, controls.

CFS, SIS ventilators: filtered air supply makeup air roof ventilators with side, or downblast discharge. Sizes: 9 to 2. Capacity: up to 10,000 CFM. Pressure: up to 1.5 inches of WG. Accessories: inlet transition, 2 inch filter, roof curb, motorized damper, controls.

CVV, CHV, QA, CFL, IL ceiling fans. Ventilator capacity up to 3000 CFM. Pressure: up to 1.5 inches of water gauge. Ventilator accessories: roof cap, wall cap, damper kit, wall kit, duct transition, speed controler.

CWD, CWDA, CWB, CWBA ventilators: spun aluminum centrifugal wall ventilators. Fan sizes: 6 to 20 inches. Fa capacity: up to 6000 CFM. Pressure: up to 2 inches of water gauge. Accessories: gravity shutter, motorized back draft damper, wall flange, speed controller, controls.

LSQB, SQBA, SQB, SQDA, SQD fans: centrifugal in-line duct ventilators. Sizes: 6 to 36. Ventilator capacities: up to 25,000 CFM. Pressure: up to 2 inches of water gauge. Accessories: inlet guard, outlet guard, mount feet, inlet flange, outlet flange, duct connector, vibration isolation bracket, motor and drive cover, protective coatings, speed controller, controls.

BCM, VSBC, VSFC, VSAC utility vent sets and junior vent sets: VSFCJ, VSDDF, VSBC, JUBC fans in UL 705 and UL 762 grease extractor construction. Sizes: 5 to 36. Capacity: to 30,000 CFM. Pressure: up to 10 inch. Accessories: inlet flange, outlet flanges, access door, drain, drain plug, shaft cooler, high temperature fan construction, shaft seal, motor cover, belt guard, spring vibration isolators, RIS rubber-in-share vibration isolators, outlet dumper, gravity shutter, adjustable speed drive, custom finish coating, disconnect switch, VFD drives, controls.

Trimline TEV, TIV: hoods and roof gravity ventilators. Custom sizes. Accessories: gravity automatic damper shutter, motorized damper, roof curb.

ARVE, SASD, SAED: - spun aluminum gravity ventilators. Sizes from 6 to 37. Capacity to 40,000 CFM. Accessories: gravity automatic damper shutter, motorized damper, roof curb.

Louverline penthouses and ventilators. Custom sizes.



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Suppliers of cool air blowers, high volume air ventilators, air blower motors, pneumatic blowers, compressed air blowers, suction pressure blowers, air blower compressores, high pressure axial fans, propeller fans, axial prop fans, industrial fan motors, big industrial fans, large industrial ventilators, industrial blower systems, explosion proof ventilation fans, rooftop fans and ventilators, shop fans, building ventilation fans.
Industrial centrifugal and axial fans, and pressure blowers; Buffalo Fan industrial process pressure blowers, induce draft and force draft industrial ventilator fans. Suppliers of Buffalo Fan high temperature oven circulating ventilator fans, power wall and roof ventilators, spray paint booth fans.
Design of industrial process and OEM fans, heavy duty process ventilators, baghouse fans, low leakage fans and blowers, fan / blower impellers, airfoil fans, acoustafoil ventilators, unifoil fans, plant ventilation fans, explosion proof building ventilation fans, TCF twin city ventilators, Sheldons engineering blowers, conveying blowers, air tight blowers & fans, industrial process air curtains, OEM fans / blowers, fume exhausters, dust collectors.

AB Blower Co. offers a PT Power Tube Make-Up Air System a sone of the most economical options for larger industrial plants ventilation air make up.

When exhaust fans are used to provide ventilation, both for industrial and process exhaust and personnel comfort, a negative air pressure is created within the building. This negative pressure causes several problems:

- Process exhaust systems are less efficient and may not work properly.
- Down flow can occur through gravity vents and result in the back venting of products of combustion from flues and stacks of heaters and process equipment.
- Drafts are created that are a discomfort to employees. Safe operating of outside doors may even be impaired.

Our Power Tube Fan Make-Up Air System solves all of these problems economically, even on the coldest winter day.

In the winter, conventional make-up air systems have to heat the cold outside air prior to introduction into the building. This is an expensive process in both equipment and continuing energy cost. The Power Tube Fan Make-Up Air System is a simplier system that utilizes wasted building heat and basic aerodynamic principles for supplying, tempering and distributing make-up air. And that makes it less expensive than conventional make-up air systems to purchase, to install and to operate.

PT Power Tube Fan Make-Up Air System uses a special propeller fan with straightening vanes and fan housing mounted to an opening in a building sidewall near the ceiling (an optional roof mounting model is available). A motor operated wall shutter is attached to the outside wall opening under a protective weather hood. A long specially constructed reinforced polyethylene tube is connected to the fan discharge orifice to carry fresh outside air throughout the building and temper it by mixing cold outside air with warm inside air near the plant ceiling before it reaches floor level.

Specially sized and spaced discharge holes in the polyethylene tube produce relatively high velocity turbulent jets of air. This turbulent jet flow swirls and mixes surrounding air particles resulting in the entrinment of the warm ceiling air and the complete tempering of very cold outside air within a relatively short distance. The result is heated make-up air at the price of unheated make-up air.

Power Tube Make-Up Air Fans are available in Sizes 18 to 48 for for air flows up to 40,000 CFM.

PT Power Tube Make-Up Air System tube is constructed of thick woven high density polyethylene fiber(8 x 8) laminated with poly coating to a thickness of 6 Mils. It is 3.8 oz. per square yeard material. Burst strength is 118 Lbs per square inch. The material is flame retardant and complied with NFPA Standard 701. Tubes are available in two colors: blue and white. One end of the polyethylen tube is factory dealed.

Sufficient make-up air should be provided to balance exhaust from general ventilation and process ventilation. Usually several Power Tube Fans will be required, located to distribute air throughout the plant. If additional tempering of make-up air in specific plant areas becomes necessary, unit heaters can be added.