The Rowland Company
The Rowland Company
4900 North 20th St.
Philadelphia, PA 19144
Toll Free: (800) 925-8824
Phone: (215) 455-4900
Fax: (215) 455-8888
Email: rowland@rowland2.com
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The Wichita Air-Tube Disc Clutch 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.
Low Inertia Air Tube Disc Clutches
Unit of Measure
Items Low Inertia Air Tube Disc Clutches
LIC 106
Low Inertia Air Tube Disc Clutches 		Low Inertia Air Tube Disc Clutches
LIC 206
Low Inertia Air Tube Disc Clutches 		Low Inertia Air Tube Disc Clutches
LIC 108
Low Inertia Air Tube Disc Clutches 		Low Inertia Air Tube Disc Clutches
LIC 208
Low Inertia Air Tube Disc Clutches 		Low Inertia Air Tube Disc Clutches
LIC 308
Low Inertia Air Tube Disc Clutches
Assembly Number N/A 6-006-100-211-0 N/A 6-006-200-200-0 N/A 6-008-100-103-0 N/A 6-008-200-101-0 N/A 6-008-300-103-0
Size N/A 42 to 60 6 N/A 42 to 60 6 N/A 8 to 36 N/A 8 to 36 N/A
Drawing Number N/A -100-900-9 N/A -200-900-9 N/A D-1718 N/A -200-900-9 N/A D-2843
Dynamic Torque Rating (80 psi/5.5 bar) N/A 3160 lb·in340 Nm N/A 6320 lb·in680 Nm N/A 7000 lb·in7000 Nm N/A 11200 lb·in1240 Nm N/A 16800 lb·in1865 Nm
Dynamic Torque Rating (100 psi/7 bar) N/A 3950 lb·in435 Nm N/A 7900 lb·in870 Nm N/A 7000 lb·in790 Nm N/A 14000 lb·in1580 Nm N/A 21000 lb·in2375 Nm
Duty Factors A N/A 6.2 hp/100 rpm N/A 12.5 hp/100 rpm N/A 11.1 hp/100 rpm N/A 22.2 hp/100 rpm N/A 33.3 hp/100 rpm
Duty Factors B N/A 4.4 hp/100 rpm N/A 8.8 hp/100 rpm N/A 8 hp/100 rpm N/A 16 hp/100 rpm N/A 24 hp/100 rpm
Duty Factors C N/A 2.2 hp/100 rpm N/A 4.4 hp/100 rpm N/A 4 hp/100 rpm N/A 8 hp/100 rpm N/A 12 hp/100 rpm
Duty Factors D N/A 1.1 hp/100 rpm N/A 2.2 hp/100 rpm N/A 2 hp/100 rpm N/A 4 hp/100 rpm N/A 6 hp/100 rpm
Maximum Bore Size N/A 2.00 in50 mm N/A 2.00 in50 mm N/A 2.25 in57 mm N/A 2.25 in57 mm N/A 2.25 in57 mm
Maximum Air Pressure N/A 130 psi9 bar
Recommended Clearance N/A 1/16-3/32 in N/A 3/32-5/32 in N/A 1/16-1/8 in N/A 3/32-5/32 in N/A 1/8-3/16 in
Balance Speed N/A 2225 rpm N/A 2225 rpm N/A 1675 rpm N/A 1675 rpm N/A 1675 rpm
Maximum RPM (Standard Airtube) N/A 1800 rpm N/A 1800 rpm N/A 1750 rpm N/A 1750 rpm N/A 1750 rpm
Maximum RPM (High Speed Airtube) N/A 2600 rpm N/A 2600 rpm N/A 3000 rpm N/A 3000 rpm N/A 3000 rpm
Swept Area N/A 39 in² N/A 78 in² N/A 56 in² N/A 112 in² N/A 168 in²
New Air Tube Volume N/A 1.8 in³30 cm³ N/A 1.8 in³30 cm³ N/A 3.4 in³56 cm³ N/A 3.4 in³56 cm³ N/A 3.4 in³56 cm³
Worn Air Tube Volume N/A 11.9 in³195 cm³ N/A 11.9 in³195 cm³ N/A 18.3 in³300 cm³ N/A 18.3 in³300 cm³ N/A 18.3 in³300 cm³
Total Clutch (Weight) N/A 27.5 lb12 kg N/A 40.5 lb18 kg N/A 62 lb28 kg N/A 70 lb32 kg N/A 92 lb42 kg
Total Clutch (Inertia) N/A 2.5 lb·ft²0.105 kg·m² N/A 3.3 lb·ft²0.139 kg·m² N/A 7.5 lb·ft²0.315 kg·m² N/A 8.5 lb·ft²0.357 kg·m² N/A 99 lb·ft²4.174 kg·m²
Weight (Hub & Center Plate) N/A 6.40 lb2.9 kg N/A 12.17 lb5.5 kg N/A 11 lb5.0 kg N/A 19 lb8.6 kg N/A 28 lb12.7 kg
WR2/J=mr2 (Hub & Center Plate) N/A 0.24 lb·ft²0.010 kg·m² N/A 0.46 lb·ft²0.019 kg·m² N/A 0.54 lb·ft²0.023 kg·m² N/A 1.00 lb·ft²0.042 kg·m² N/A 2.00 lb·ft²0.084 kg·m²
Inflation Coefficients Operating Air Pressure at 50 psi (K) N/A N/A N/A 15800 N/A 15800 N/A
Inflation Coefficients Operating Air Pressure at 50 psi (U) N/A N/A N/A 2.2 N/A 2.2 N/A
Inflation Coefficients Operating Air Pressure at 75 psi (K) N/A N/A N/A 7100 N/A 7100 N/A
Inflation Coefficients Operating Air Pressure at 75 psi (U) N/A N/A N/A 2 N/A 2 N/A
Inflation Coefficients Operating Air Pressure at 100 psi (K) N/A N/A N/A 265 N/A 265 N/A
Inflation Coefficients Operating Air Pressure at 100 psi (U) N/A N/A N/A 1.2 N/A 1.2 N/A
Exhaust Coefficients Operating Air Pressure at 50 psi (R) N/A N/A N/A 60 N/A 60 N/A
Exhaust Coefficients Operating Air Pressure at 50 psi (E) N/A N/A N/A 0.016 N/A 0.016 N/A
Exhaust Coefficients Operating Air Pressure at 50 psi (V) N/A N/A N/A 1.0 N/A 1.0 N/A
Exhaust Coefficients Operating Air Pressure at 75 psi (R) N/A
Exhaust Coefficients Operating Air Pressure at 75 psi (E) N/A
Exhaust Coefficients Operating Air Pressure at 75 psi (V) N/A
Exhaust Coefficients Operating Air Pressure at 100 psi (R) N/A N/A N/A 240 N/A 240 N/A
Exhaust Coefficients Operating Air Pressure at 100 psi (E) N/A N/A N/A 0.02 N/A 0.02 N/A
Exhaust Coefficients Operating Air Pressure at 100 psi (V) N/A N/A N/A 1.4 N/A 1.4 N/A
Dimension A N/A 8.75 in222.3 mm N/A 8.75 in222.3 mm N/A 12.13 in308.1 mm N/A 12.13 in308.1 mm N/A
Bolt Hole Diameter B N/A 8.000 in203.20 mm N/A 8.000 in203.20 mm N/A 11.125 in282.58 mm N/A 11.125 in282.58 mm N/A
Pilot Diameter C N/A 7.377/7.379 in187.38/187.43 mm N/A 7.377/7.379 in187.38/187.43 mm N/A 8.375/8.378 in212.73/212.80 mm N/A 8.375/8.378 in212.73/212.80 mm N/A
Dimension D N/A 8.81 in223.8 mm N/A 8.81 in223.8 mm N/A 11.13 in282.7 mm N/A 11.13 in282.7 mm N/A
Dimension E N/A 5.19 in131.8 mm N/A 6.43 in163.3 mm N/A 6.31 in160.3 mm N/A 7.69 in195.3 mm N/A
Dimension F N/A 2.00 in50.8 mm N/A 3.25 in82.6 mm N/A 2.00 in50.8 mm N/A 3.25 in82.6 mm N/A
Dimension G N/A 0.00 in0.0 mm N/A 0.06 in1.5 mm N/A 0.25 in6.4 mm N/A 0.31 in7.9 mm N/A
Dimension H N/A 3.75 in95.3 mm N/A 5.00 in127.0 mm N/A 4.56 in115.8 mm N/A 5.94 in150.9 mm N/A
Dimension I N/A 1.56 in39.6 mm N/A 1.50 in38.1 mm N/A 1.78 in45.2 mm N/A 1.88 in47.8 mm N/A
Dimension J N/A 0.06 in1.5 mm N/A 0.06 in1.5 mm N/A 0.25 in6.4 mm N/A 0.25 in6.4 mm N/A
Number of Mounting Holes (L) N/A 4 N/A 4 N/A 6 N/A 6 N/A
Dimension L N/A 0.34 in8.6 mm N/A 0.34 in8.6 mm N/A 17/32 in13.5 mm N/A 17/32 in13.5 mm N/A
Dimension M N/A 4.19 in106.4 mm N/A 4.19 in106.4 mm N/A 5.38 in136.7 mm N/A 5.38 in136.7 mm N/A
Dimension N N/A 2.69 in68.3 mm N/A 2.69 in68.3 mm N/A 3.50 in88.9 mm N/A 3.50 in88.9 mm N/A
Dimension Q N/A 0.56 in14.2 mm N/A 0.56 in14.2 mm N/A 0.50 in12.7 mm N/A 0.50 in12.7 mm N/A
Dimension R (Number - Size) N/A N/A N/A 2 - 1/2 NPT N/A 2 - 1/2 NPT N/A
Dimension S N/A 5/8" - 11NF N/A 5/8" - 11NF N/A 1" - 14NF N/A 1" - 14NF N/A
Minimum U N/A 0.60 in15.2 mm N/A 0.60 in15.2 mm N/A 1.00 in25 mm N/A 1.00 in25 mm N/A
Maximum U N/A 2.00 in50.8 mm N/A 2.00 in50.8 mm N/A 2.00 in50.8 mm N/A 2.00 in50.8 mm N/A
Note N/A 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.)
Manufacturer N/A Wichita Clutch
Actuation N/A Air Applied