~ Low Inertia Clutches and Brakes ~          
~ High Torque Clutches ~
Dimensions | Specifications
111 - 318 121 - 336 | 111 - 318 121 - 336
~ Spring Set Brakes ~
Dimensions | Specifications
106 - 216 118 - 327 230H - 460 | 106 - 216 118 - 327 230H - 460  
Specifications
104 - 314 | 116 - 324H
 227 - 460		 Metric
Units with Metric Mounting Dimensions		 Dimensions
 104 - 314 | 116 - 324H
 227 - 460 		Accessories
Air Accessories
Air Rotating Unions
Typical Hose Arrangements for L.I. Brakes
Typical Hose Arrangements for L.I. Clutches
 
Air Rotating Unions (Roto-Couplings)
 
 
Rotating Air Union Dimensions for Low Inertia Clutches
CLUTCH
SIZE		 AIR UNION
PART
NUMBER		 A
INCHES (mm)		 B
INCHES (mm)		 C
ROTOR THREAD		 D
INLET THREAD
104-206
WOO-21-006
2 5/8 (66.68)
1 5/8 (41.28)
5/8"-18UNF
1/4" NPT
108-321 WOO-21-002 3 23/32 (94.36) 2 1/4 (57.15) 1"-14UNS 1/2" NPT/BSPT
124-327 WOO-21-008 4 5/16 (109.54) 2 7/8 (73.03) 1"-14UNS 3/4" NPT
230-348 WOO-21-010 1 15/32 (37.31) NA NA 1"NPT
124-348* WOO-21-011 5 1/8 (130.18) 3 1/4 (82.55) 1 1/2"-12UNF 1"NPT
230-348** WOO-21-033 7 (177.80) 4 1/4 (107.95) 2"-12UN 1 1/2" NPT
260-460 WOO-21-020 1 25/8 (320.68) 7 (177.80) 2 1/2" NPT 2 1/2" NPT
*Optional external rotating air union
**Large capacity external rotating air union for faster response time
 
Rotating Air Union Dimensions for High Torque Clutches
CLUTCH
SIZE		 AIR UNION
PART
NUMBER		 ADAPTER
PART
NUMBER		 A
INCHES (mm)		 B
INCHES (mm)		 C
ROTOR THREAD		 D
INLET THREAD
111-336
WOO-21-000
NA
19/64 (7.54)
NA
NA
1/2" NPT/BSPT
116-330* WOO-21-011 WOO-21-018 5 7/16 (138.11) 3 1/4 (82.55) 1 1/2"-12UNF 1"NPT
236-336* WOO-21-049 WOO-21-058 8 (203.20) 4 1/4 (107.95) 1 3/4"- 12 UN 1 1/2" NPT
*Large capacity external rotating air union for faster response time
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Copyright © 1992-2007, WPT® is a registered trademark of WPT Power Transmission Corporation, Twin Disc® is a registered trademark of Twin Disc Corp., and Wichita Clutch® is a registered trademark of Wichita/Altra. WPT is not an authorized original equipment manufacturer of Twin Disc® or Wichita Clutch® products.