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SSB 111

Wichita Spring-Set Air Release Brakes are ideal for fail safe protection of process equipment. Constructed of high strength cast iron, this improved design has thick friction discs for longer wear life. The fast acting airtube design assures quick, smooth stops.


Assembly Number


Dynamic Torque Rating (60 psi/4.1 bar)

8200 lb•in
926 Nm

Dynamic Torque Rating (75 psi/5.2 bar)

10500 lb•in
1186 Nm

Dynamic Torque Rating (90 psi/6.2 bar)

11600 lb•in
1311 Nm

Maximum Bore Size

2.50 in
64 mm

Maximum Speed (Standard Airtube)

2090 rpm

Maximum Speed (High Speed Airtube)1

3125 rpm

Total Brake (Weight)

130 lb
59 kg

Disc & Gear (Weight)

23 lb
10.4 kg

Disc & Gear (Inertia)

2.30 lb•ft2
0.097 kg•m2


Wichita Clutch


Air Applied


1Consult Factory for Special Assembly Number.