G Series
Blowers shall be belt driven double-width, double inlet (DWDI) with forward curved wheels. Centrifugal wheels are to be fabricated of galvaneal or galvanized steel. Bearings shall be ball bearing type with a minimum L50 life 0f 200,000 hours.

Blowers shall be G Series as manufactured by Delhi Industries, www.delhi-industries.com

200 & 200-2 Series
In-line duct blowers shall consist of cabinets with internal belt driven double-width, double inlet (DWDI) forward curved blowers.  Centrifugal wheels shall be galvaneal or galvanized steel. Bearings shall be ball bearing type with a minimum L50 life of 200,000 hours.

Cabinets shall be cold rolled steel with high solids enamel finish. (Optional - Cabinets shall be insulated with 1/2" thick fiberglass insulation.) Removable access panels shall be provided on both sides, sized to permit removal of the internal blower assembly.

Each blower shall bear the AMCA Certified Ratings Seal for Air and Sound Performance.
Each blower shall bear an ETL (UL 705) label.

Motors shall be continuous duty type with permanently lubricated ball bearings. Electrical characteristics and enclosure per schedule. Drives are to be selected for 150% of driven horsepower and have machined cast iron pulleys. Motor pulleys shall be variable speed.

Fans/Blowers shall be 200 Series or 200-2 Series (indoor), as manufactured by Delhi Industries, www.delhi-industries.com

9200 & 9200-2 Series
In-line duct blowers shall consist of cabinets with internal belt driven double-width, double inlet (DWDI) forward curved blowers.  Centrifugal wheels shall be galvaneal or galvanized steel. Bearings shall be ball bearing type with a minimum L50 life 0f 200,000 hours.

Cabinets shall be galvaneal or galvanized steel with high solids enamel finish and insulated with 1/2" thick fiberglass insulation. Removable access panels shall be provided on both sides, sized to permit removal of the internal blower assembly.

Each blower shall bear the AMCA Certified Ratings Seal for Air and Sound Performance.
Each blower shall bear an ETL (UL 705) label.

Motors shall be continuous duty type with permanently lubricated ball bearings. Electrical characteristics and enclosure per schedule. Drives are to be selected for 150% of driven horsepower and have machined cast iron pulleys. Motor pulleys shall be variable speed.

Fans/Blowers shall be 9200 Series or 9200-2 Series (indoor or outdoor), as manufactured by Delhi Industries, www.delhi-industries.com

9200VIB Series
In-line duct blowers shall consist of cabinets with internal belt driven double-width, double inlet (DWDI) forward curved blowers.  Centrifugal wheels shall be galvaneal or galvanized steel. Bearings shall be ball bearing type with a minimum L50 life 0f 200,000 hours.

Cabinets shall be galvaneal or galvanized steel with high solids enamel finish and insulated with 1/2" thick fiberglass insulation.  Removable access panels shall be provided on both sides, sized to permit removal of the internal blower assembly.

Cabinets shall be isolated from the internal blower, motor, and drive by spring isolators.

Each blower shall bear the AMCA Certified Ratings Seal for Air and Sound Performance.
Each blower shall bear an ETL (UL 705) label.

Motors shall be continuous duty type with permanently lubricated ball bearings. Electrical characteristics and enclosure per schedule. Drives are to be selected for 150% of driven horsepower and have machined cast iron pulleys. Motor pulleys shall be variable speed.

Fans/Blowers shall be 9200VIB Series (indoor or outdoor), as manufactured by Delhi Industries, www.delhi-industries.com

Option Filter Section:  Matching filter sections shall consist of rigid panels of 1@ thick permanent, washable, aluminum mesh filter media, contained in an insulated casement. Removable panel shall provide easy access for servicing.

Option Heating/Cooling Coil Sections: Modular coil sections shall consist of 3/8@ seamless copper tubes, mechanically expanded onto corrugated aluminum fin material, 12 fins per inch. Each coil shall have enamel finish casements that match the blower and be individually factory leak tested. Coils shall be Delhi HC Series (hot water), CW Series (chilled water), or DX Series (refrigerant).

Option FILTERED INTAKE HOOD: Provide factory supplied angled outdoor intake rain guard hoods, Delhi option IH-F, with filters. (Note for Model 9220 only. The IH-F for this one size has bird screen in place of filters. For filtration a Delhi FS-A Filter Section is also required.)

300 Series
Rooftop curb mounted exhausters shall consist of cabinets with internal belt driven double-width, double inlet (DWDI) forward curved blowers. Cabinets shall be fabricated of galvaneal or galvanized steel with an additional finish of high solids enamel. Centrifugal wheels shall be galvaneal or galvanized steel. Bearings shall be ball bearing type with a minimum L50 life 0f 200,000 hours.

Top panel shall be removable for service access to the blower and drive assembly.

Each blower shall bear the AMCA Certified Ratings Seal for Air and Sound Performance.
Each blower shall bear an ETL (UL 705) label.

Motors shall be continuous duty type with permanently lubricated ball bearings. Electrical characteristics and enclosure per schedule. Drives are to be selected for 150% of driven 
horsepower and have machined cast iron pulleys. Motor pulleys shall be variable speed.
Fans/Blowers shall be 300 Series, as manufactured by Delhi Industries, www.delhi-industries.com

400 Series
Framed Single Width Single Inlet (SWSI) Utility Blowers shall be belt driven. Blower housings shall be reinforced and protected by rectangular frames permitting 4 discharge positions.  Centrifugal wheels shall be Forward Curved (FC) type, fabricated of galvaneal or galvanized steel. Bearings shall be ball bearing type with a minimum L50 life 0f 200,000 hours.

Fans/Blowers shall be 400 Series as manufactured by Delhi Industries, www.delhi-industries.com

600 Series
Forward Curved (FC) type utility blowers (vent sets) shall be AMCA arrangement 10 Single Width Single Inlet (SWSI). Centrifugal wheels shall be, fabricated of galvaneal or galvanized steel. Weather resistant motor compartment covers are to be provided. Bearings shall be ball bearing type with a minimum L50 life 0f 200,000 hours.

Each blower shall bear the AMCA Certified Ratings Seal for Air Performance.
Each blower shall bear an ETL (UL 705) label.

Motors shall be continuous duty type with permanently lubricated ball bearings. Electrical characteristics and enclosure per schedule. Drives are to be selected for 150% of driven horsepower and have machined cast iron pulleys. Motor pulley shall be variable speed.

Fans/Blowers shall be 600 Series, as manufactured by Delhi Industries, www.delhi-industries.com

Options Bowers are to be provided with (select) inlet screens, outlet screens, gravity back draft dampers, clean-out doors, drain fittings at blower housing low point, heat slingers (for 250 to 400 deg. F), shaft seals, Heresite protective coating on air stream surfaces.

700 Series
Make-up air units (supply fans) shall be curb mounted with filtered intakes on four sides. Cabinets shall be fabricated of galvaneal or galvanized steel with an additional finish of high solids enamel. Centrifugal wheels shall be Forward Curved (FC) type, fabricated of galvaneal or galvanized steel. A removable top panel shall provide for service access. Bearings shall be ball bearing type with a minimum L50 life 0f 200,000 hours. Filters shall be aluminum, 1@ thick, washable permanent type.

Each fan shall bear the AMCA Certified Ratings Seal for Air and Sound Performance.
Each fan shall bear an ETL (UL 705) label.

Motors shall be continuous duty type with permanently lubricated ball bearings. Electrical characteristics and enclosure per schedule. Drives are to be selected for 150% of driven horsepower and have machined cast iron pulleys. Motor pulleys shall be variable speed.

Fans/Blowers shall be 700 Series, as manufactured by Delhi Industries, www.delhi-industries.com

800 & 800-2 Series
Blowers shall be belt driven double-width, double inlet (DWDI) with forward curved wheels. Wheels to be fabricated of galvaneal or galvanized steel. Bearings shall be ball bearing type with a minimum L50 life 0f 200,000 hours. Blower housings shall be reinforced with rectangular frames.

Blowers shall be 800 or 800-2 Series as manufactured by Delhi Industries, www.delhi-industries.com

900 & 900-2 Series
Blowers shall be belt driven double-width, double inlet (DWDI) with forward curved wheels. Wheels to be fabricated of galvaneal or galvanized steel. Bearings shall be relubricatable pillow block ball bearing type with a minimum L50 life 0f 200,000 hours. Blower housings shall be reinforced with rectangular steel frames.

Blowers shall be 900 or 900-2 Series as manufactured by Delhi Industries, www.delhi-industries.com

SIS Series
Curb mounted filtered make-up air units with intake on one side shall have cabinets fabricated of galvaneal or galvanized steel with an additional finish of high solids enamel. Centrifugal wheels shall be Forward Curved (FC) type, fabricated of galvaneal or galvanized steel. A removable top section shall provide for service access. Bearings shall be ball bearing type with a minimum L50 life 0f 200,000 hours. Filters shall be aluminum, 1@ thick, washable permanent type.

Each fan shall bear the AMCA Certified Ratings Seal for Air and Sound Performance.
Each fan shall bear an ETL (UL 705) label.

Motors shall be continuous duty type with permanently lubricated ball bearings. Electrical characteristics and enclosure per schedule. Drives are to be selected for 150% of driven horsepower and have machined cast iron pulleys. Motor pulleys shall be variable speed.

Fans shall be SIS Series as manufactured by Delhi Industries, www.delhi-industries.com

BI Series
Backward Inclined (BI) type utility blowers (vent sets) shall be AMCA arrangement 10 Single Width Single Inlet (SWSI).  Wheels shall be of heavy gauge steel, statically and dynamically balanced. Weather resistant motor compartment covers are to be provided. Bearings shall be relubricatable ball bearing type with a minimum L50 life 0f 200,000 hours.

Blowers shall be constructed for AMCA Class I operating conditions.
Each blower shall bear the AMCA Certified Ratings Seal for Air Performance.
Each blower shall bear an ETL (UL 705) label.

Motors shall be continuous duty type with permanently lubricated ball bearings. Electrical characteristics and enclosure per schedule. Drives are to be selected for 150% of driven horsepower and have machined cast iron pulleys. Motor pulleys shall be variable speed.

Fans/Blowers shall be BI Series, as manufactured by Delhi Industries, www.delhi-industries.com

General Options Bowers are to be provided with (select) inlet screens, outlet screens, gravity back draft dampers, clean-out doors, drain fittings at blower housing low point, heat slingers (for 250 to 400 deg), shaft seals, Heresite protective coating on air stream surfaces, spark resistant aluminum wheel (AMCA type B & C), continuously welded scroll.

Restaurant Option BI-RM: Provide blowers with the Delhi Restaurant Model (RM) option, encompassing a continuously welded housing, large 2@ housing drain, access door and an ETL (UL 762) label for restaurant exhaust appliances exhausting grease laden air.

HRE Series
Curb Mounted Restaurant Exhausters shall consist of a Single Width Single Inlet (SWSI) blower, which will draw air from a through-the-curb duct. Centrifugal wheels shall be of the Backward Inclined (BI) type, fabricated of heavy gauge steel, statically and dynamically balanced. A weather resistant motor compartment cover is to be provided. Bearings shall be relubricatable ball bearing type with a minimum L50 life 0f 200,000 hours.

Blower shall be constructed for AMCA Class I operating conditions. 

Each blower shall bear an ETL (UL 762) label for restaurant exhaust appliances exhausting grease-laden air.

Motors shall be continuous duty type with permanently lubricated ball bearings. Electrical characteristics and enclosure per schedule. Drives are to be selected for 150% of driven horsepower and have machined cast iron pulleys. Motor pulleys shall be variable speed.

Fans/Blowers shall be HRE Series, as manufactured by Delhi Industries, www.delhi-industries.com

BIDI Series
Double Width, Double Inlet (DWDI) blowers with Backward Inclined (BI) centrifugal wheels shall be AMCA Arrangement 3.  Wheels shall be of heavy gauge steel, statically and dynamically balanced. Bearings shall be relubricatable pillow block ball bearing type with a minimum L50 life 0f 200,000 hours. Blower housings shall be reinforced with rectangular steel frames.

Blowers shall be constructed for AMCA Class I operating conditions. 

Each blower shall bear the AMCA Certified Ratings Seal for Air Performance.
Blowers shall be BIDI Series, as manufactured by Delhi Industries, www.delhi-industries.com

DPL Series
Backward Inclined (BI) type plenum fan shall be AMCA arrangement 3 Single Width Single Inlet (SWSI).  Wheels shall be of heavy gauge steel, (aluminum for 30”, 33”, 36”), statically and dynamically balanced. Bearings shall be relubricatable ball bearing type with a minimum L50 life 0f 200,000 hours.

Fans shall be constructed for operation at AMCA Class I conditions.

Each blower shall bear the AMCA Certified Ratings Seal for Air and Sound Performance.

Motors shall be continuous duty type with permanently lubricated ball bearings. Electrical characteristics and enclosure per schedule. Drives are to be selected for 150% of driven horsepower and have machined cast iron pulleys. Motor pulleys shall be variable speed.

Fans shall be DPL Series, as manufactured by Delhi Industries, www.delhi-industries.com

DPL-AF Series
Air Foil (AF) type plenum fan shall be AMCA arrangement 3 Single Width Single Inlet (SWSI).  Wheels shall be of aluminum airfoil type, statically and dynamically balanced. Bearings shall be relubricatable ball bearing type with a minimum L50 life 0f 200,000 hours.

Fans shall be constructed for operation at AMCA Class II conditions.

Each blower shall bear the AMCA Certified Ratings Seal for Air and Sound Performance.

Motors shall be continuous duty type with permanently lubricated ball bearings. Electrical characteristics and enclosure per schedule. Drives are to be selected for 150% of driven horsepower and have machined cast iron pulleys. Motor pulleys shall be variable speed.

Fans shall be DPL-AF Series, as manufactured by Delhi Industries, www.delhi-industries.com

DSQ-B Series
Belt Drive Square In-line Duct Blower(s) shall be constructed of steel, with high solids, baked enamel finish suitable for indoor use. A removable cover shall provide blower motor access, and drive access shall be provided on both sides through removable panels. Blowers shall be belt driven, centrifugal backward inclined, with cast iron pillow block, regreaseable ball bearings having a minimum L50 (average) life of 200,000 hours.

Square In-line Duct Blower(s) shall be licensed to bear the AMCA Certified Ratings Seal for Air and Sound Performance and shall bear an ETL (UL 705) label.
Motors shall be continuous duty, permanently lubricated, ball bearing with a 1.15 service factor. Electrical characteristics and features per schedule.

Drives are to be selected for 150% of driven horsepower. Blower pulley shall be fixed, machined, cast iron. Motor pulley shall be cast iron, variable speed.

Belt Drive Square In-line Duct Blower(s) shall be Delhi Industries Inc., ‘DSQ-B’ Series. www.delhi-industries.com

DSQ-D Series
Direct Drive Square In-line Duct Blower(s) shall be constructed of steel with high solids, baked enamel finish suitable for indoor use. Motor access shall be provided on both sides through removable panels. Blowers shall be direct driven, centrifugal backward inclined.

Square In-line Duct Blower(s) shall be licensed to bear the AMCA Certified Ratings Seal for Air and Sound Performance and shall bear an ETL (UL 705) label.

Motors shall be continuous duty, 120V TEAO type, with electrical characteristics and features per schedule.

Direct Drive Square In-line Duct Blower(s) shall be Delhi Industries Inc., ‘DSQ-D’ Series. www.delhi-industries.com

BDCR Series
Belt Drive Spun Aluminum Downblast Roof Exhauster shall be constructed of heavy gauge aluminum, with a galvanized steel base. A removable cover shall provide motor, and drive access. Blowers shall be belt driven, with a centrifugal backward inclined non-overloading wheel, and cast iron pillow block, regreaseable ball bearings having a minimum L50 (average) life of 200,000 hours.

Belt drive spun aluminum roof exhausters shall bear an ETL Listed (UL 705 electrical) label.

Motors shall be continuous duty, permanently lubricated, ball bearing type. Electrical characteristics and features per schedule.

Drives are to be selected for 150% of driven horsepower. Blower pulley shall be fixed, machined, cast iron. Motor pulley shall be cast iron, variable speed.

Belt Drive Spun Aluminum Downblast Roof Exhauster shall be Delhi Industries Inc., ‘BDCR’ Series. www.delhi-industries.com
DR Series
Direct Drive Spun Aluminum Downblast Roof or Wall Mounted Exhauster shall be constructed of heavy gauge aluminum. A removable cover shall provide motor access. Blowers shall be direct driven, with a centrifugal backward inclined non-overloading wheel.

Direct drive spun aluminum roof exhausters shall bear an ETL Listed (UL 705 electrical) label.

Motors shall be continuous duty, thermally protected, 115V, ODP, permanently lubricated, ball bearing type.

Direct Drive Spun Aluminum Downblast Roof Exhauster shall be Delhi Industries Inc., ‘DR’ Series. www.delhi-industries.com

BDU Series
Belt Drive Spun Aluminum Upblast Roof Exhauster shall be constructed of heavy gauge aluminum, with a fully welded leak proof grease drain, and a galvanized steel base. A removable cover shall provide motor, and drive access. Blowers shall be belt driven, with a centrifugal backward inclined non-overloading wheel, and cast iron pillow block, regreaseable ball bearings having a minimum L50 (average) life of 200,000 hours.

Belt drive spun aluminum roof exhausters shall bear an ETL Listed (UL 762) label.

Motors shall be continuous duty, permanently lubricated, ball bearing type. Electrical characteristics and features per schedule.

Drives are to be selected for 150% of driven horsepower. Blower pulley shall be fixed, machined, cast iron. Motor pulley shall be cast iron, variable speed.

Belt Drive Spun Aluminum Downblast Roof Exhauster shall be Delhi Industries Inc., ‘BDU’ Series. www.delhi-industries.com

DU Series
Direct Drive Spun Aluminum Upblast Roof or Wall Mounted Exhauster shall be constructed of heavy gauge aluminum, with a fully welded leak proof grease drain, and a galvanized steel base. A removable cover shall provide motor access. Blowers shall be direct driven, with a centrifugal backward inclined non-overloading wheel.

Direct drive spun aluminum roof exhausters shall bear an ETL Listed (UL 762) label.

Motors shall be continuous duty, thermally protected, 115V, ODP, permanently lubricated, ball bearing type.

Direct Drive Spun Aluminum Downblast Roof Exhauster shall be Delhi Industries Inc., ‘DU’ Series. www.delhi-industries.com

BTA Series
Belt Drive Tube Axial(s) shall be constructed of steel, with high solids enamel finish. Fans shall be belt driven, axial prop, with extended lube lines with external grease fittings to cast iron pillow block, greaseable ball bearings having a minimum L50 (average) life of 200,000 hours.

Motors shall be TEFC, ball bearing, out of the air steam, maximum ambient 40 deg C (104 F).

Drives are to be selected for 150% of driven horsepower. Fan pulley shall be fixed, machined, cast iron. Motor pulley shall be cast iron, variable speed.

Cast aluminum blades shall be supplied for sizes up to 48” fans. Fiberglass reinforced polypropylene blades for sizes 54” & 60”.

Available Optional Accessories: Galvanized motor cover/belt guards, inspection doors, companion rings, inlet or outlet guards, horizontal or vertical support clips, support legs, and explosion proof motors.

Alternate Model WTA: For moisture laden air, maximum temperature 93 deg C (200 F), substitute “BTA” with “WTA”, if required. Features a Teflon shaft seal, Heresite coating, bearings have non-metallic composite housing and zinc coated insert.

Belt Drive Tube Axial Fans shall be BTA Series as manufactured by Delhi Industries Inc.,
‘BTA’ Series. www.delhi-industries.com