Ventilation Archives

Loren Cook Company ACRU Upblast Centrifugal Roof Exhauster 225R7B

admin — Fri, 18 Apr 2014 17:00:37 +0000

– Fan shall be a spun aluminum, roof mounted up-blast centrifugal exhaust vent.
Construction
– Fan shall be of bolted and welded construction utilizing corrosion resistant fasteners.
The spun aluminum structural components shall be constructed of minimum 16 gauge marine alloy aluminum, bolted to a rigid aluminum support structure. The aluminum base shall have continuously welded curb cap corners for maximum leak. The discharge baffle shall have a rolled bead for added strength. An integral conduit chase shall be provided through the curb cap and into the motor compartment to facilitate wiring connections.
Motor
– shall be heavy duty type with permanently lubricated sealed bearing and furnished at the specified voltage, phase and enclosure. Motor shall be a NEMA “B”, class “B” insulation rated for continuous duty.
Bearings
– shall be designed and individually tested specifically for use in air handling applications. Construction shall be heavy duty regreasable ball type in a cast iron pillowblock housing selected for a minimum L50 life in excess of 200,000 hours

Model- 225R7B

HP- 1.0

RPM-859

Tip Speed- 5059

Sones @ .25″- 19.7

0″ SP- 5938

.125″SP- 5712

.25″SP-5500

.375″SP-5279

.50″SP-5011

.75″SP-4313

The post Loren Cook Company ACRU Upblast Centrifugal Roof Exhauster 225R7B appeared first on M. J. Mac Inc..

Loren Cook Company ACRU Upblast Centrifugal Roof Exhauster 225R6B

admin — Fri, 18 Apr 2014 16:58:51 +0000

– Fan shall be a spun aluminum, roof mounted up-blast centrifugal exhaust vent.
Construction
– Fan shall be of bolted and welded construction utilizing corrosion resistant fasteners.
The spun aluminum structural components shall be constructed of minimum 16 gauge marine alloy aluminum, bolted to a rigid aluminum support structure. The aluminum base shall have continuously welded curb cap corners for maximum leak. The discharge baffle shall have a rolled bead for added strength. An integral conduit chase shall be provided through the curb cap and into the motor compartment to facilitate wiring connections.
Motor
– shall be heavy duty type with permanently lubricated sealed bearing and furnished at the specified voltage, phase and enclosure. Motor shall be a NEMA “B”, class “B” insulation rated for continuous duty.
Bearings
– shall be designed and individually tested specifically for use in air handling applications. Construction shall be heavy duty re-greasable ball type in a cast iron pillow-block housing selected for a minimum L50 life in excess of 200,000 hours

Model- 225R6B

HP- 3/4

RPM-779

Tip Speed- 4588

Sones @ .25″- 16.4

0″ SP- 5385

.125″SP- 5138

.25″SP- 4904

.375″SP-4637

.50″SP-4281

.75″SP-3565

The post Loren Cook Company ACRU Upblast Centrifugal Roof Exhauster 225R6B appeared first on M. J. Mac Inc..

Loren Cook Company ACRU Upblast Centrifugal Roof Exhauster 225R5B

admin — Fri, 18 Apr 2014 16:56:42 +0000

– Fan shall be a spun aluminum, roof mounted up-blast centrifugal exhaust vent.
Construction
– Fan shall be of bolted and welded construction utilizing corrosion resistant fasteners.
The spun aluminum structural components shall be constructed of minimum 16 gauge marine alloy aluminum, bolted to a rigid aluminum support structure. The aluminum base shall have continuously welded curb cap corners for maximum leak. The discharge baffle shall have a rolled bead for added strength. An integral conduit chase shall be provided through the curb cap and into the motor compartment to facilitate wiring connections.
Motor
– shall be heavy duty type with permanently lubricated sealed bearing and furnished at the specified voltage, phase and enclosure. Motor shall be a NEMA “B”, class “B” insulation rated for continuous duty.
Bearings
– shall be designed and individually tested specifically for use in air handling applications. Construction shall be heavy duty re-greasable ball type in a cast iron pillow-block housing selected for a minimum L50 life in excess of 200,000 hours

Model- 225R5B

HP- 1/2

RPM-677

Tip Speed- 3987

Sones @ .25″- 12.3

0″ SP- 4680

.125″SP- 4400

.25″SP- 4119

.375″SP-3730

.50″SP-3288

The post Loren Cook Company ACRU Upblast Centrifugal Roof Exhauster 225R5B appeared first on M. J. Mac Inc..

Loren Cook Company ACRU Upblast Centrifugal Roof Exhauster 225R4B

admin — Fri, 18 Apr 2014 16:54:55 +0000

– Fan shall be a spun aluminum, roof mounted up-blast centrifugal exhaust vent.
Construction
– Fan shall be of bolted and welded construction utilizing corrosion resistant fasteners.
The spun aluminum structural components shall be constructed of minimum 16 gauge marine alloy aluminum, bolted to a rigid aluminum support structure. The aluminum base shall have continuously welded curb cap corners for maximum leak. The discharge baffle shall have a rolled bead for added strength. An integral conduit chase shall be provided through the curb cap and into the motor compartment to facilitate wiring connections.
Motor
– shall be heavy duty type with permanently lubricated sealed bearing and furnished at the specified voltage, phase and enclosure. Motor shall be a NEMA “B”, class “B” insulation rated for continuous duty.
Bearings
– shall be designed and individually tested specifically for use in air handling applications. Construction shall be heavy duty re-greasable ball type in a cast iron pillow-block housing selected for a minimum L50 life in excess of 200,000 hours

Model- 225R4B

HP- 1/3

RPM-589

Tip Speed- 3469

Sones @ .25″- 9.4

0″ SP-4071

.125″SP- 3753

.25″SP- 3381

.375″SP-2873

The post Loren Cook Company ACRU Upblast Centrifugal Roof Exhauster 225R4B appeared first on M. J. Mac Inc..

Loren Cook Company ACRU Upblast Centrifugal Roof Exhauster 225R3B

admin — Fri, 18 Apr 2014 16:52:44 +0000

– Fan shall be a spun aluminum, roof mounted upblast centrifugal exhaust vent.
Construction
– Fan shall be of bolted and welded construction utilizing corrosion resistant fasteners.
The spun aluminum structural components shall be constructed of minimum 16 gauge marine alloy aluminum, bolted to a rigid aluminum support structure. The aluminum base shall have continuously welded curb cap corners for maximum leak. The discharge baffle shall have a rolled bead for added strength. An integral conduit chase shall be provided through the curb cap and into the motor compartment to facilitate wiring connections.
Motor
– shall be heavy duty type with permanently lubricated sealed bearing and furnished at the specified voltage, phase and enclosure. Motor shall be a NEMA “B”, class “B” insulation rated for continuous duty.
Bearings
– shall be designed and individually tested specifically for use in air handling applications. Construction shall be heavy duty re-greasable ball type in a cast iron pillow-block housing selected for a minimum L50 life in excess of 200,000 hours

Model- 225R3B

HP- 1/4

RPM-1553

Tip Speed- 3139

Sones @ .25″- 7.4

0″ SP-3684

.125″SP-2854

.25″SP- 2357

The post Loren Cook Company ACRU Upblast Centrifugal Roof Exhauster 225R3B appeared first on M. J. Mac Inc..

Loren Cook Company ACRU Upblast Centrifugal Roof Exhauster 195R9B

admin — Fri, 18 Apr 2014 16:50:34 +0000

Model- 195R9B

HP- 2.0

RPM-1353

Tip Speed- 6907

Sones @ .25″-27.0

0″ SP-6504

.125″SP- 6394

.25″SP- 6283

.375″SP-6170

.50″SP-6065

.75″SP-5816

The post Loren Cook Company ACRU Upblast Centrifugal Roof Exhauster 195R9B appeared first on M. J. Mac Inc..

Loren Cook Company ACRU Upblast Centrifugal Roof Exhauster 195R8B

admin — Fri, 18 Apr 2014 16:48:06 +0000

– Fan shall be a spun aluminum, roof mounted up-blast centrifugal exhaust vent.
Construction
– Fan shall be of bolted and welded construction utilizing corrosion resistant fasteners.
The spun aluminum structural components shall be constructed of minimum 16 gauge marine alloy aluminum, bolted to a rigid aluminum support structure. The aluminum base shall have continuously welded curb cap corners for maximum leak. The discharge baffle shall have a rolled bead for added strength. An integral conduit chase shall be provided through the curb cap and into the motor compartment to facilitate wiring connections.
Motor
– shall be heavy duty type with permanently lubricated sealed bearing and furnished at the specified voltage, phase and enclosure. Motor shall be a NEMA “B”, class “B” insulation rated for continuous duty.
Bearings
– shall be designed and individually tested specifically for use in air handling applications. Construction shall be heavy duty re-greasable ball type in a cast iron pillow-block housing selected for a minimum L50 life in excess of 200,000 hours

Model- 195R8B

HP- 1.5

RPM-1228

Tip Speed- 6269

Sones @ .25″- 23.0

0″ SP- 5903

.125″SP- 5781

.25″SP- 5659

.375″SP-5534

.50″SP-5405

.75″SP-5127

The post Loren Cook Company ACRU Upblast Centrifugal Roof Exhauster 195R8B appeared first on M. J. Mac Inc..

Loren Cook Company ACRU Upblast Centrifugal Roof Exhauster 195R7B

admin — Fri, 18 Apr 2014 16:43:40 +0000

– Fan shall be a spun aluminum, roof mounted up-blast centrifugal exhaust vent.
Construction
– Fan shall be of bolted and welded construction utilizing corrosion resistant fasteners.
The spun aluminum structural components shall be constructed of minimum 16 gauge marine alloy aluminum, bolted to a rigid aluminum support structure. The aluminum base shall have continuously welded curb cap corners for maximum leak. The discharge baffle shall have a rolled bead for added strength. An integral conduit chase shall be provided through the curb cap and into the motor compartment to facilitate wiring connections.
Motor
– shall be heavy duty type with permanently lubricated sealed bearing and furnished at the specified voltage, phase and enclosure. Motor shall be a NEMA “B”, class “B” insulation rated for continuous duty.
Bearings
– shall be designed and individually tested specifically for use in air handling applications. Construction shall be heavy duty re-greasable ball type in a cast iron pillow-block housing selected for a minimum L50 life in excess of 200,000 hours

Model- 195R7B

HP- 1.0

RPM-1069

Tip Speed- 5457

Sones @ .25″- 19.0

0″ SP- 5139

.125″SP- 4999

.25″SP- 4857

.375″SP-4710

.50″SP-4554

.75″SP-4184

The post Loren Cook Company ACRU Upblast Centrifugal Roof Exhauster 195R7B appeared first on M. J. Mac Inc..

Loren Cook Company ACRU Upblast Centrifugal Roof Exhauster 195R6B

admin — Fri, 18 Apr 2014 16:40:38 +0000

– Fan shall be a spun aluminum, roof mounted up-blast centrifugal exhaust vent.
Construction
– Fan shall be of bolted and welded construction utilizing corrosion resistant fasteners.
The spun aluminum structural components shall be constructed of minimum 16 gauge marine alloy aluminum, bolted to a rigid aluminum support structure. The aluminum base shall have continuously welded curb cap corners for maximum leak. The discharge baffle shall have a rolled bead for added strength. An integral conduit chase shall be provided through the curb cap and into the motor compartment to facilitate wiring connections.
Motor
– shall be heavy duty type with permanently lubricated sealed bearing and furnished at the specified voltage, phase and enclosure. Motor shall be a NEMA “B”, class “B” insulation rated for continuous duty.
Bearings
– shall be designed and individually tested specifically for use in air handling applications. Construction shall be heavy duty re-greasable ball type in a cast iron pillow-block housing selected for a minimum L50 life in excess of 200,000 hours

Model- 195R6B

HP- 3/4

RPM-969

Tip Speed- 4946

Sones @ .25″- 15.5

0″ SP- 4658

.125″SP- 4504

.25″SP- 4345

.375″SP-4178

.50″SP-3995

.75″SP-3505

The post Loren Cook Company ACRU Upblast Centrifugal Roof Exhauster 195R6B appeared first on M. J. Mac Inc..

Loren Cook Company ACRU Upblast Centrifugal Roof Exhauster 195R5B

admin — Fri, 18 Apr 2014 16:35:09 +0000

– Fan shall be a spun aluminum, roof mounted up-blast centrifugal exhaust vent.
Construction
– Fan shall be of bolted and welded construction utilizing corrosion resistant fasteners.
The spun aluminum structural components shall be constructed of minimum 16 gauge marine alloy aluminum, bolted to a rigid aluminum support structure. The aluminum base shall have continuously welded curb cap corners for maximum leak. The discharge baffle shall have a rolled bead for added strength. An integral conduit chase shall be provided through the curb cap and into the motor compartment to facilitate wiring connections.
Motor
– shall be heavy duty type with permanently lubricated sealed bearing and furnished at the specified voltage, phase and enclosure. Motor shall be a NEMA “B”, class “B” insulation rated for continuous duty.
Bearings
– shall be designed and individually tested specifically for use in air handling applications. Construction shall be heavy duty re-greasable ball type in a cast iron pillow-block housing selected for a minimum L50 life in excess of 200,000 hours

Model- 195R5B

HP- 1/3

RPM-734

Tip Speed- 3747

Sones @ .25″- 8.5

0″ SP-3528

.125″SP- 3323

.25″SP- 3100

.375″SP-2816

.50″SP-2454

The post Loren Cook Company ACRU Upblast Centrifugal Roof Exhauster 195R5B appeared first on M. J. Mac Inc..