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
QTY QUOTENEXEN - 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 |
