LOREN COOK COMPANY CP centrifugal utility vent sets offer durability and reliability in a self-contained package. About Centrifugal Fans: A centrifugal wheel brings air in parallel to the axis of rotation and discharges air perpendicular to the axis of rotation. As a general rule, it is preferred for higher pressure exhaust and ducted systems CP’s are ideal for low to medium volume and pressure applications. They are available in a number of wheel options for maximum performance flexibility.

• Produced in an ISO 9001 Certified facility. • Listed by Underwriters Laboratory (UL 705) and UL Listed for Canada (cUL 705). • Rotatable housing is standard on all models. Discharge flanges are standard on all belt drive models, except in downblast or bottom angular down discharge positions (see Catalog page 17).

Manufacturing of blowers seldom follow an optimum design solution for individual blower. Although centrifugal blowers are developed as highly efficient machines, design is still based on various empirical and semi empirical rules proposed by fan designers. There are different method- ologies used to design the impeller. Kobelco has manufactured reciprocating compressors since 1915 and now has an installed base of more than 2,300 units around the globe. Kobelco reciprocating. Centrifugal Fans calculation design Centrifugal fan types Airfoil, Backward. Inclined,Forward Curve,Radial Blade,in line tubular. Centrix: Centrifugal Fan selection and design software. Software for the selection and design of centrifugal fans, Shaft critical speed calculations, impeller.

Wheel CPV uses a riveted aluminum wheel, with backward inclined flat blades. CPS uses a welded, LorenizedTM steel wheel, with backward inclined flat blades. CPA uses a welded, aluminum wheel. CPS-A uses a welded, LorenizedTM steel wheel, with backward inclined airfoil blades. CPA-A uses a welded, aluminum wheel.

CPFB & CPFB use a steel wheel, with forward curved blades Blade type Backward Inclined Airfoil: Has the highest efficiency of all of the centrifugal impeller designs with blades of airfoil contour curved away from the direction of rotation. Air leaves the impeller at a velocity less than its tip speed.

Relatively deep blades provide for efficient expansion with the blade passages. For the given duty, the airfoil impeller design will provide for the highest speed of the centrifugal fan designs. Backward Inclined Flat Blades: Efficiency is slightly less than that of the airfoil design. Blades are single thickness metal inclined away from the direction of rotation. Air leaves the impeller at a velocity less than its tip speed. Acer Aspire E15 Usb Controller Driver here. Relatively deep blades provide efficient expansion with the blade passages.

Forward Curved: Efficiency is less than airfoil and backward curved bladed impellers. Has blades with both the heel and tip curved forward. Air leaves the impeller at velocities greater than the impeller tip speed. For the given duty, the wheel is the smallest of all of the centrifugal types and operates most efficiently at lowest speed. Belt Drives Backward Inclined Flat Blade Wheel: CPS, CPA & CPV Licensed to bear AMCA Certified Ratings Seals for Air and Sound Performance.

UL/cUL 762 listing for restaurant applications available. Steel Wheel / Steel Scroll (CPS) Aluminum Wheel / Aluminum Scroll (CPA) • Wheel Sizes: 10 - 49” • Capacity: 70 - 49,150 CFM • Static Pressure: 1 - 8” • Class I or Class II (size 120 - 365) • CPA is Spark Resistant Type A construction (see Catalog page 19) Aluminum Wheel / Steel Scroll (CPV) • Wheel Sizes: 10 - 49” • Capacity: 50 - 43,400 CFM • Static Pressure: 0.25 - 2.5” Backward Inclined Airfoil Wheel: CPS-A & CPA-A Licensed to bear AMCA Certified Ratings Seals for Air and Sound Performance. UL/cUL 762 listing for restaurant applications available. Steel Wheel / Steel Scroll (CPS-A) Aluminum Wheel / Aluminum Scroll (CPA-A) • Wheel Sizes: 12 - 49” • Capacity: 700 - 53,550 CFM • Static Pressure: 1 - 8” • Class I or Class II (size 120 - 365) • CPA-A is Spark Resistant Type A construction. (see Catalog page 19) CPS-A is available with UL/cUL listing for “Power Ventilator for Smoke Control Systems”.

Forward Curved Wheel: CPFB Licensed to bear AMCA Certified Ratings Seal for Air and Sound Performance. Steel Wheel / Steel Scroll (CPFB) • Wheel Sizes: 10 - 30” • Capacity: 500 - 25,000 CFM • Static Pressure: 0.125 - 2”. LOREN COOK COMPANY certifies that the CPV shown herein is licensed to bear the AMCA Seal. The ratings shown are based on tests and procedures performed in accordance with AMCA Publication 211 and AMCA Publication 311 and comply with the requirements of the AMCA Certified Ratings Program. Type CPV is furnished standard with UL 705 and cUL 705 listings (Power Ventilator/ZACT) when furnished with factory supplied motor. Type CPV is available with UL 762 listing (CUL 762) when furnished with factory supplied motor. Up to size 300 available with express service..