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Poly Flex Marine 3 Bolt Flexible Disc Coupling
Our flexible disc transmission coupling provides a damper between the gearbox and propeller shaft to isolate torsional vibration from the engine and gearbox. It also reduces to shock of forward and reverse gear changes.
Poly Flex 3 Bolt Flexible Disc Coupling
Three bolt couplings are used on three bolt hole output flanges. Spigots on these couplings can be either male, female, or none, as determined by the flange. Poly Flex couplings are configured to the flanges.
Specifications
Poly Flex couplings work in conjunction with the engine mounts by providing the softest element in the shaft assembly to improve performance and provide a sacrificial link that is designed to fail before gearbox damage occurs.
| Polymer Code | 80D | 95A | 90A | 80A |
|---|---|---|---|---|
| Hardness – Shore | 80 | 95 | 90 | 83 |
| Tensile Strength – psi | 7550 | 6500 | 4800 | 4500 |
| Rating | Super Heavy Duty | Heavy Duty | Medium Duty | Light Duty |
Gearbox Flange Type
Poly Flex Group Pty Ltd is an Australian company and since commencing in 1981 have continued to expand both in product range and areas of export. Poly Flex manufactures Engine Mounting Systems, Flexible Disc Couplings & Steel Shaft Couplings which are available with DNV Type Approval.