Aluminium Cover : Lightweight & corrosion-resistant.
Suitable for medium-duty applications and easier to handle during installation.
Plastic Cover : Economical & maintenance-friendly. Best for clean or indoor environments with low to moderate loads.
| COUPLING NO. | ASA NO. | WT. KG. |
|---|---|---|
| NT 6112 | 3812 | 0.2 |
| NT 8312 | 4012 | 0.2 |
| NT 8316 | 4016 | 0.4 |
| NT 1016 | 5016 | 0.6 |
| NT 1018 | 5016 | 0.8 |
| NT 1218 | 6018 | 1.2 |
| NT 1222 | 6022 | 1.6 |
| NT 1618 | 8018 | 2.3 |
| NT 1622 | 8022 | 2.4 |
| NT 2020 | 10020 | 3.4 |
| NT 2418 | 12018 | 5.9 |
| NT 2422 | 12022 | 7.3 |
| NT 3218 | 16018 | 14 |
SELECTION OF THE SIZE OF THE COUPLINGS
Decide the service factor for the unit for which the chain coupling is to be fitted by considering the following:
- Hours of service
- Type of power unit etc. from the following table
- For 8 to 16 hrs/day service, use the next step service factor.
- For 16 to 24 hours/day service, use service factor two step higher loading.
- Multiply horsepower of the driver unit by the service factor. This is design horsepower.
- Note the maximum rpm. at which the unit will run and its shaft diameter.
- From the H.P. rating table, select the coupling size which is rated equal to or slightly greater than design H.P. required at the rpm. at which the coupling is to operate.
- Also, make sure that the diameter at the shaft is less than the maximum bore permissible on the coupling. If the coupling is not large enough to accommodate the shaft size, use the next coupling which can be bored to suit the shaft requirement.
Please select a wpDataTable.
As we know that A chain coupling connects two rotating shafts to transfer torque and power. For example, in a concrete batching plant, a chain coupling is used to connect the gearbox output shaft directly to the paddle mixer shaft to drive the batch mixer.
👉MAINTENANCE OF CHAIN COUPLINGS
- Conduct regular visual inspections of the chain coupling to check for any signs of wear,cracks, misalignment,
or foreign material buildup. - Apply the recommended grease to internal components periodically to reduce friction, wear ,and corrosion.
- Ensure coupling overs are properly sealed to retain lubricant and prevent dirt or moisture ingress.
- Recheck shaft alignment frequently, as improper alignment can lead to vibration and premature chain
elongation. - Replace lubrication after the first 100 operating hours and atleast annually to maintain smooth operation and
extend chain coupling life.
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