NEXEN 819004

NEXEN 819004

NEXEN

NEXEN 819004

819004 PART NUMBER

T-450A Tension Control Brake - Open Design, Air Engaged, Release Spring, QD Bushing Type, 0.5000 to 1.0000 in Bore Range, 224 in-lb Dynamic Torque Capacity

NEXEN - NEXEN 819004

High thermal output and torque ratings of the advanced series make these units ideal for demanding tension operations

Full range of sizes to meet all unique specification requirements

Advanced series offers both straight bore hubs or tapered bores for QD bushing mounting

Models are available with standard, low coefficient (Loco) or ultra Loco friction facings to meet all torque requirements


SPECIFICATIONS

Open Or Enclosed Design Open
Brake Heat Sink Capacity 48792 ft-lbs
Engagement/Release Air/Spring
Brake Peak Thermal Input Rate 11 hp
Bore Type QD Bushed
Maximum Pressure 80 psi
Bore Style JA Bushing (0.5000 to 1.0000 in)
Minimum Engagement Pressure 3 psi
Bore Size/Range 1.0000 , 0.5000 , 0.5625 , 0.6250 , 0.6875 , 0.7500 , 0.8125 , 0.8750 , 0.9375 , 0.5000 to 1.0000 in
Brake Response Factor 0.090
Maximum Rpm 1800 rpm
Brake Air Chamber Volume When New 0.629 in³
Maximum Brake Continuous Thermal Dissipation 1.73 hp
Brake Air Chamber Volume When Worn Out 1.422 in³
Finish Black Oxide
Engagement Air
Mounting Configuration Shaft Mounted
Release Spring
Brake Series T-450A
Ratings CE, and RoHS
Bushing Type & Range JA Type - 0.5000 to 1.0000 in
Rebuild Kits 818903
Port Size 1/4 NPT
Facing Kit 818972
Function Tensioning
Guards 817700
Brake Facing Type Low Coefficient
Torque Pin Bracket 819900
Maximum Dynamic Torque Capacity 224 in-lbs
Controllers 964356, 964354, 912123, 912145, 964520, 964522, 964531, 964535, 964260
Shaft Inertia 4.83 lb/in²
Control Accessories 854000 (Single Stage Control Panel), 939101 (Control Filter), 940001 (Regulator), 944901 (3 Way Valve)
Overall Length 2.51 in
Additional Details Low Cost Air Cooled Brake, for narrow range tension control applications. JA type QD bushing sold seperately.
Overall Diameter 5.94 in
Manufacturer Product Page http://www.nexengroup.com/nxn/products/details/id/819004
Brake Facing Edge Color Code Green
Approximate Brake Facing Life 460 hp/hr
Brake Facing Effective Area 11.9 in²
Manufacturer Replacement Parts List http://www.nexengroup.com/nxn/newin/index/parts-list/id/819004
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RPM GROUP

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