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CONSTRICTING CLUTCHES & BRAKES
Airflex Constricting Clutches & Brakes are drum style products that when pressurized, expand radially inward, forcing their friction shoes against an outer cylindrical drum surface. The rate at which the tube is pressurized determines the rate at which element torque increases. Final tube pressure determines the element torque capacity. Constricting elements are identified by the drum diameter in inches on which they constrict and the width in inches of their friction lining. For instance, a size 26CM475 is designed to constrict on a 26 inch diameter drum and has a friction lining width of 4.75 inches.
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Type CB
Torque Capacities Up To: 1,160,000 Ib·in,
131.000 N·m
Standard Sizes: There are 20 standard CB sizes. The smallest constricts on a 3 inch drum and the largest constricts on a 45 inch.
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Type CM
Torque Capacities Up To: 3,236,000 Ib·in,
365.000 N·m
Standard Sizes: There are 5 standard CM sizes. The smallest constricts on a 26 inch drum and the largest constricts on a 48 inch drum.
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Type VC
Torque Capacities Up To: 15,189,000 Ib·in,
1.706.629 N·m
Standard Sizes: There are 25 standard VC sizes which are divided into two categories, narrow and wide. The smallest narrow size constricts on a 11.5 inch drum and the largest constricts on a 42 inch drum. The smallest wide size constricts on a 12 inch drum and the largest constricts on a 76 inch drum.
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Selection Documents
Application Selection Charts
Application Selection Data Forms
Selection Assistance
216-281-2211
800-824-1586
Locate a Sales Engineer or Distributor
Customer Service:
AirflexCustomerService@eaton.com
AirflexInternational@eaton.com
Application Engineering:
AirflexAE@eaton.com
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