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SSB 311

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.

Specifications

Assembly Number

7-111-300-100-0

Dynamic Torque Rating (60 psi/4.1 bar)

19300 lb•in
2181 Nm

Dynamic Torque Rating (75 psi/5.2 bar)

24900 lb•in
2813 Nm

Dynamic Torque Rating (90 psi/6.2 bar)

28400 lb•in
3209 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)

208 lb
94 kg

Disc & Gear (Weight)

121 lb
54.9 kg

Disc & Gear (Inertia)

7.00 lb•ft2
0.295 kg•m2

Manufacturer

Wichita Clutch

Actuation

Air Applied

Notes

1Consult Factory for Special Assembly Number.