LIB 330H

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	7-031-300-304-0
Size	8 to 36
Drawing Number	-300-904-9
Dynamic Torque Rating (80 psi/5.5 bar)	784800 lb·in 88890 Nm
Dynamic Torque Rating (100 psi/7 bar)	981000 lb·in 113130 Nm
Duty Factors A	1557
Duty Factors B	1140
Duty Factors C	570
Duty Factors D	300
Maximum Bore Size	7.25 in 184 mm
Maximum Air Pressure	130 psi 9 bar
Recommended Clearance	5/32-7/32 in
Balance Speed	450 rpm
Maximum RPM Standard Air Tube	765
Maximum RPM Hi-speed Air Tube	1130
Swept Area	2481 in²
New Air Tube Volume	58.6 in³ 960 cm³
Worn Air Tube Volume	311 in³ 5096 cm³
Total Clutch Weight	N/A
Total Clutch Inertia	lb·ft² kg·m²
Weight Hub Center Plate	810 lb 367.4 kg
Dimension D	34.75 in 882.7 mm
Dimension E	N/A
Dimension F	11.88 in 301.8 mm
Dimension G	0.63 in 16.0 mm
Dimension H	15.31 in 388.9 mm
Dimension I	in 388.9 mm
Dimension J	0.25 in 6.4 mm
Number of Mounting Holes	18
Dimension L	25/32 in 19.8 mm
Dimension M	19.25 in 489 mm
Dimension N	10.00 in 254 mm
Dimension Q	0.75 in 19.1 mm
Dimensions	N/A
Minimum U	2.50 in 63.5 mm
Maximum U	7.25 in 184.2 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.)