LIB 318

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	7-018-300-103-0
Size	8 to 36
Drawing Number	D-1218
Dynamic Torque Rating (80 psi/5.5 bar)	154840 lb·in 17115 Nm
Dynamic Torque Rating (100 psi/7 bar)	193550 lb·in 21780 Nm
Duty Factors A	306
Duty Factors B	225
Duty Factors C	105
Duty Factors D	63
Maximum Bore Size	4.75 in 121 mm
Maximum Air Pressure	130 psi 9 bar
Recommended Clearance	1/8-3/16 in
Balance Speed	750 rpm
Maximum RPM Standard Air Tube	1270
Maximum RPM Hi-speed Air Tube	1910
Swept Area	792 in²
New Air Tube Volume	15.3 in³ 251 cm³
Worn Air Tube Volume	85.4 in³ 1400 cm³
Total Clutch Weight	N/A
Total Clutch Inertia	lb·ft² kg·m²
Weight Hub Center Plate	180 lb 81.6 kg
Dimension D	22.00 in 558.8 mm
Dimension E	N/A
Dimension F	6.50 in 165.1 mm
Dimension G	0.44 in 11.2 mm
Dimension H	10.63 in 270.0 mm
Dimension I	in 270.0 mm
Dimension J	0.38 in 9.7 mm
Number of Mounting Holes	12
Dimension L	21/32 in 16.7 mm
Dimension M	12.50 in 317.5 mm
Dimension N	7.00 in 177.8 mm
Dimension Q	0.63 in 16.0 mm
Dimensions	N/A
Minimum U	2.00 in 50.8 mm
Maximum U	4.75 in 120.7 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.)