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LIB 227

The Wichita Air-Tube Disc Brakes combines all the best features of the disc type clutch with all the advantages of direct air engagement. The simplest and most trouble-free method of applying air pressure is through direct axial pressure application by compressed air in a special composition full-circle tube.

Specifications

Assembly Number

7-027-200-100-0

Size

8 to 36

Drawing Number

D-428

Dynamic Torque Rating (80 psi/5.5 bar)

275018 lb·in
30520 Nm

Dynamic Torque Rating (100 psi/7 bar)

343773 lb·in
38840 Nm

Duty Factors A

546

Duty Factors B

420

Duty Factors C

218

Duty Factors D

109

Maximum Bore Size

6.50 in
165 mm

Maximum Air Pressure

130 psi
9 bar

Recommended Clearance

1/8-3/16 in

Balance Speed

500 rpm

Maximum RPM Standard Air Tube

850

Maximum RPM Hi-speed Air Tube

1250

Swept Area

1460 in²

New Air Tube Volume

29.9 in³
490 cm³

Worn Air Tube Volume

159 in³
2606 cm³

Total Clutch Weight

N/A

Total Clutch Inertia

lb·ft²
kg·m²

Weight Hub Center Plate

329 lb
149.2 kg

Dimension D

31.00 in
787.4 mm

Dimension E

N/A

Dimension F

6.88 in
174.8 mm

Dimension G

0.75 in
19.1 mm

Dimension H

10.38 in
263.7 mm

Dimension I

in
263.7 mm

Dimension J

0.25 in
6.4 mm

Number of Mounting Holes

16

Dimension L

21/32 in
16.7 mm

Dimension M

16.25 in
412.8 mm

Dimension N

9.00 in
228.6 mm

Dimension Q

0.75 in
19.1 mm

Dimensions

N/A

Minimum U

2.50 in
63.5 mm

Maximum U

6.50 in
165.1 mm

Manufacturer

Wichita Clutch

Actuation

Air Applied

Notes

Consult Factory for Special Assembly Number.
For mounting, use socket head capscrews conforming to the ASTM-574-97a.
(Consult factory for drawing before final layout.)