Nexen 837450 Spring Engaged Caliper Brake is a fail-safe, air-released brake designed for cyclic dynamic, e-stop, and holding applications. It features a pedestal mount, open design, black acrylic paint finish, and a high coefficient brake facing. Max static torque is 43023 in-lb with a 24 in disc. Inlet size is 0.250 NPT, min release pressure 60 psi, max allowable pressure 120 psi. Not for use with horizontally mounted disks.

Approximate brake facing life

547 hphr

Backlash

0.076 in, Linear Or Disc Working Radius

Brake air chamber volume when new

2.750 in³

Brake air chamber volume when worn out

38.600 in³

Brake facing edge color code

Purple

Brake facing effective area

31.0 in²

Brake facing thickness when worn out

0.16 in

Brake facing type

High Coefficient

Brake peak thermal input rate

77.00 hp

Brake response factor

0.491

Brake torque

43023 inlb, With A 24 in Disc

Braking capability

Cyclic Dynamic, E-Stop, Holding

CE certified

CE

Clamping force (psi)

5800 lbf, @ 0

Disc thickness

0.500 in

Disc working radius

WR=D/2-1.437 For 12 in Or Larger Discs

Dynamic torque factor burnished (psi)

3702 lbf, @ 0

Dynamic torque factor unburnished (psi)

2645 lbf, @ 0

Enclosure

Open

Engagement method

Spring

Finish

Black Acrylic Paint

Inlet size

0.250 NPT

Materials of construction

Black Acrylic Paint

Max allowable pressure (psi)

120

Max ambient temperature (°F)

150

Max static brake torque

43023 inlb, With A 24 in Disc

Min ambient temperature (°F)

32

Min release pressure (bar)

4.137 bar

Min release pressure (psi)

60

Open or enclosed design

Open

Product features

Spring Engaged, Air Released, Pedestal Mount

Release method

Air

Restrictions

Not For Use With Horizontally Mounted Disks

RoHS compliant

RoHS

Static torque factor burnished (psi)

4073 lbf, @ 0

Static torque factor unburnished (psi)

2808 lbf, @ 0