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Hi-Power II Belt

Gates Hi-Power II V-Belts

 
 

A

B

C

D

E

 
Understanding The Part Number

Example Part Numbers: A55, B100, C130, D152, E250

The letter at the beginning (A, B, C, D, or E) stands for the “section” or cross-section of the v-belt. The width of the belt increases from 1/2 (0.5) inches for an A-section belt to 1 1/2 (1.5) inches for an E-section belt. See the table below for the top width and thickness for each section. These cross-sections, are an industry standard, so Gates Hi-Power II belts can be used in place of other manufacturers’ belts of the same cross-section.

The numbers following the letter indicate the inside circumference (IC) of the belt. The outside circumference (OC) is found by adding an offset to the inside circumference. The offset is listed in the table below.

Section Top Width (in) Nominal Thickness (in) Offset (OC-IC) (in) Example Outside Circumference (in)
A 1/2 (0.500) 5/16 (0.312) 2” A55 57”
B 21/32 (0.656) also known as 5/8 13/32 (0.406) 3” (1” above 210” IC) B100 103” (100+3)
C 7/8 (0.875) 17/32 (0.531) 4” (2” above 210” IC) C130 134” (130+4)
D 1 1/4 (1.25) 3/4 (0.75) 5” (3” above 210” IC) D152 157” (152+5)
E 1 1/2 (1.50) 29/32 (0.906) 7” (4” above 210” IC) E250 254” (250+4)
Specifications
Design:
  • Flex-Weave Cover – The Gates Hi-Power II vbelts are a line of wrapped belts that feature a patented single layer fabric construction for longer cover life. The cover protects the belt core from oil dirt and heat. The wrapped cover also makes the belt suitable for clutching applications.
  • Flex-Bonded Cords – The Hi-Power II belt line utilizes a proprietary core material blend that strongly bonds the polyester cords to the body of the belt, resulting in uniform load distribution and absorption of bending stress without cord deterioration.
  • Gates Curves – The belt cross-section has been optimized to provide proper cord support and full contact with the pulley to provide uniform loading, uniform wear, and increased belt life.
Recommended Applications:
Gates Hi-Power II v-belts are high quality, heavy duty belts that can be used in a variety of industrial and agricultural power transmission applications. These belts are used in HVAC applications, conveyor systems, centrifugal pumps, air compressors, crushers, and more.
Matching / Multi-Belt Drives:

Part of the V80 Matching System - Gates Hi-Power II v-belts can be used individually in a single vbelt drive or can be used in sets of 2 or more belts for higher horsepower applications. All belts in a multiple belt drive must be within a certain length tolerance in order for the belts to work together to provide the full design horsepower. In the past, manufacturing tolerances were wider and each belt was assigned a match number that indicated its exact length within the manufacturing tolerance. Gates invested heavily to reduce manufacturing tolerances. The result was the V80 matching system that ensures that every belt can be used in a matched set, regardless of batch or lot. An alternative to using a set of individual belts is to use a joined or banded belt such as the Gates A-Section Hi-Power II PowerBand belt.

Requirements Met:
RMA oil and heat resistant standards.
RMA static conductivity requirements.
Similar Products Lines
Product Line Features
Gates Hi-Power II

-Heavy duty v-belt for multi-horsepower applications.
-Thicker cross-section to provide belt stability and prevent belts from flipping over
-Wrapped style belt suitable for clutching applications.

Gates Truflex

-Light duty v-belt for fractional horsepower (FHP) applications.
-Thin cross-section to improve flexibility for applications with small pulley diameters and use with backside idlers
-Wrapped style belt for clutching applications

Gates PoweRated

-Light duty v-belt for fractional horsepower (FHP) applications and lawn and garden applications.
-Thin cross-section to improve flexibility for applications with small pulley diameters and use with backside idlers
-Wrapped style belt for clutching applications
-Aramid (Kevlar) tensile cords for increased horsepower rating, dimensional stability and performance in shock load applications

Gates Tri-Power

-Heavy duty v-belt for multi-horsepower applications
-Raw edge for improved pulley contact and reduced slippage.
-Notched profile improves flexibility for applications with small pulley diameters and improves power transmission efficiency.
-EPDM construction for a wider temperature range (-60F to +250F)

Gates Predator

-Extra-heavy duty v-belt for aggressive applications
-Thicker cross-section to provide belt stability and prevent belts from flipping over.
-Double layer fabric cover for reduced friction and heat build up in clutching applications.
-Aramid (Kevlar) tensile cords for increased horsepower rating, dimensional stability, and performance in shock load applications.

Compatible Pulleys / Sheaves:

Recommended Pulleys or Sheaves for Light Duty Applications

Light Duty Sheave or Pulley – Bored to Size (Fixed diameter for single or dual belt drives)

Light Duty Sheave or Pulley – Variable Pitch – Bored to Size (Adjustable pitch diameter for single or dual belt drives)

Light Duty Sheave or Pulley – QT Bushed – (Fixed diameter for single or dual belt drives)

 

Recommended Pulleys or Sheaves for Heavy Duty Applications

Multi-Duty Sheave or Pulley (Fixed diameter for single or multi belt drives)

SVS  Adjustable Speed Sheave or Pulley (Adjustable pitch diameter for multi belt drives)

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