| What is the delivery time of standard muff couplings? |
Between 3-5 weeks from receipt of order. |
| Is a muff coupling the same as a rigid coupling? | Yes, Rigid, Split, Muff, Splint or Sleeve .. it is all the same. |
| Where can muff couplings be used? | As a rigid connection between two shafts where compensation for angular or radial offset is not required, i.e. to joing two lengths of a rigid shaft.
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| How do muff couplings work? | The coupling is basically a cylinder which has been split along its axis into two identical halves. The two halves are then bolted together around the shafts.
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| What are the advantages of muff couplings? |
They are low cost, easy to fit and maintenance free.
They effectively last for ever as there are no moving parts.
They can be re-used over and over.
They are 100% efficient.
They can be fitted and dismantled in situ.
Used correctly the specific torque transmission is relatively very high. |
| What are the disadvantages of muff couplings? |
The coupling is absolutely rigid without the ability to compensate for shaft mis-alignment. Loads thus generated will be transmitted to the bearings.
It is of solid steel construction and is therefore heavy.
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| Can I connect dissimilar sized shafts with a muff coupling? |
Yes. Reference "SKA" indicates through bore (same dia both ends).
Reference "SKB" indicates bores of dissimilar diameters.
Both sides, or just one side, or neither side can be supplied with keyway. |
| What sizes of muff couplings are available? | Popular sized bores, between 20 and 280mm are catalogued, but we can supply any bore size, metric or imperial, to your requirements.
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| What materials are muff couplings available in? | Standard materials are C 45 (EN9) carbon steel and 1.4305 (EN304) stainless steel.
Couplings manufactured in other materials are available to order.
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