Nexen 835221 Spring Engaged Caliper Brake is a fail-safe, air-released brake with foot mount and independent actuators. It delivers 2070 in-lb max static torque with a 24 in disc and features a black oxide finish, open design, and high coefficient brake facing. Suitable for cyclic dynamic, e-stop, and holding applications.

Approximate brake facing life

616 hphr

Backlash

0.02 in, Linear Or Disc Working Radius

Brake air chamber volume when new

0.624 in³

Brake air chamber volume when worn out

3.039 in³

Brake facing edge color code

Purple

Brake facing effective area

17.6 in²

Brake facing type

High Coefficient

Brake peak thermal input rate

44.00 hp

Brake response factor

0.072

Brake torque

2070 inlb, With A 24 in Disc

Braking capability

Cyclic Dynamic, E-Stop, Holding

CE certified

CE

Clamping force (psi)

948 lbf, @ 0

Disc thickness

0.500 in

Disc working radius

WR=D/2-1.062 For 16 in Or Larger Discs

Dynamic torque factor unburnished (psi)

159 lbf, @ 0

Enclosure

Open

Engagement method

Spring

Finish

Black oxide

Inlet size

0.125 NPT

Materials of construction

Black oxide

Max allowable pressure (psi)

120

Max ambient temperature (°F)

150

Max static brake torque

2070 inlb, With A 24 in Disc

Min ambient temperature (°F)

32

Min release pressure (bar)

5.03335 bar

Min release pressure (psi)

73

Open or enclosed design

Open

Product features

Spring Engaged, Air Released, Foot Mount, Independent Actuators

Release method

Air

Restrictions

Consult Nexen For Use In Cyclic Applications

RoHS compliant

RoHS

Static torque factor unburnished (psi)

187 lbf, @ 0