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| Product – Martin – Coupling
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Martin -Flex®
Today´s Most Advanced Coupling.
For High Strength, Better Balance, Easy Installation,
and the Strong Shaft Fit of the Taper Bushing.
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Jaw Coupling
Martin Offers a Complete Lines of Jaw Couplings— Completely Interchangeable to meet the demand for low cost coupling. They cater for incidental misalignment, absorb shock loads and dampen out small amplitude vibrations
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Chain Coupling
For the Most Complete Line of British Standard
Chain Couplings Available.
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Martin QUADRA-FLEX®
A Proven Design Which Offers Long Life, Torsional Flexibility,
Ease of Installation, and Withstands Misalignment, Shock, and Vibration.
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Martin MRC® Gear Coupling
A complete line of steel gear
and plastic sleeve components.
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Martin HRC Coupling
General purpose coupling for quick and easy assembly.
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| Coupling Comparison Chart |
| Allowable |
Connecting Medium |
Max. Nom. kW Per 100 RPM |
Max. |
Bore |
Misaligment |
| Type |
RPM |
Range |
Angle |
Parallel |
| CHAIN |
ROLLER CHAIN |
525 |
5000 |
10 — 155 |
2° |
,038 |
| JAW |
ELASTOMERIC SPIDER |
2,7 |
3600 |
3 — 70 |
1° |
,038 |
| Martin-FLEX° |
ELASTOMERIC TYRE |
154 |
4500 |
10 — 190 |
4° |
1,1 — 6,6 |
| QUADRA-FLEX° |
ELASTOMERIC SLEEVE |
85 |
9200 |
12,7 — 152,4 |
33° |
1,6 |
| HRC |
ELASTOMERIC SPIDER |
33 |
3600 |
10 — 100 |
1° |
0,3-0,5 |
| GEAR |
PLASTIC SLEEVE |
4,3 |
7500 |
24 — 65 |
2° |
⁺⁄₋ 0,4 |
| RIGID |
DIRECT CONNECTION |
118 |
4500 |
11 — 125TB |
Need good aligment |
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| Dimensions in millimeters unless otherwise specified |
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| Type |
Shock Load Capacity |
Vibration Dampening |
Temperature-Range |
| Range (Low) |
Celsius (High) |
| CHAIN |
NONE |
NONE |
-35°C |
+120°C |
| JAW |
MODERATE |
MODERATE |
-40°C |
+100°C*₁ |
| Martin-FLEX° |
EXCELLENT |
EXCELLENT |
-50°C |
+70°C*₂ |
| QUADRA-FLEX° |
EXCELLENT |
EXCELLENT |
-40°C |
+135°C*₃ |
| MODERATE |
-65°C |
+120°C*₄ |
| HRC |
MODERATE |
MODERATE |
-40°C |
+100°C*₄ |
| GEAR |
POOR |
POOR |
-25°C |
+100°C*₂ |
| RIGID |
NONE |
NONE |
HIGH |
HIGH |
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1. With Hytrel Spider
2. Neoprene Element
3. TPR Sleeve
4. With EPDM Sleeve |
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