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NEXEN 827821
#827821
On request
S-450A Tension Control Brake - Open Design, Air Engaged, Release Spring, Straight Bore Type, 25 mm Bore, 25 Nm Dynamic Torque Capacity
Price on request — a consultant will confirm lead time and terms.
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NEXEN — NEXEN 827821
- 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
| Brand | NEXEN |
| Category | PNEUMATIC TENSION CONTROL BRAKES |
| Open or enclosed design | Open |
| Brake peak thermal input rate | 8.2 kW |
| Engagement/release | Air/Spring |
| Maximum pressure | 6 bar |
| Bore type | Straight |
| Minimum engagement pressure | 0.2 bar |
| Bore style | Bore to Size |
| Brake response factor | 0.090 |
| Bore size/range | 25 mm |
| Brake air chamber volume when new | 10.31 cm³ |
| Maximum rpm | 1800 rpm |
| Brake air chamber volume when worn out | 23.3 cm³ |
| Maximum brake continuous thermal dissipation | 1.9 hp |
| Engagement | Air |
| Finish | Black Oxide |
| Release | Spring |
| Mounting configuration | Shaft Mounted |
| Ratings | CE, and RoHS |
| Brake series | S-450A |
| Rebuild kits | 818903 |
| Port size | 1/4 BSPT |
| Facing kit | 818976 |
| Function | Tensioning |
| Guards | 817700 |
| Brake facing type | Low Coefficient |
| Torque pin bracket | 819900 |
| Maximum dynamic torque capacity | 25 N-m |
| Controllers | 964356, 964354, 912123, 912145, 964520, 964522, 964531, 964535, 964260 |
| Shaft inertia | 800.00 kg/cm² |
| Control accessories | 854000 (Single Stage Control Panel), 939101 (Control Filter), 940001 (Regulator), 944901 (3 Way Valve) |
| Overall length | 64 mm |
| Additional details | Low Cost Air Cooled Brake, for narrow range tension control applications. |
| Overall diameter | 151 mm |
| Manufacturer product page | http://www.nexengroup.com/nxn/products/details/id/827821 |
| Brake facing edge color code | Green |
| Approximate brake facing life | 343.0 kW/hr |
| Brake facing effective area | 77 cm² |
| Manufacturer replacement parts list | http://www.nexengroup.com/nxn/newin/index/parts-list/id/827821 |
| Brake heat sink capacity | 71491 Joule |
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