| Customization: | Available |
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| Material: | Silicone Rubber |
| Capability: | Rubber Oil Hose |
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The cover protects the reinforcement and tube from the outside environment. It's designed as abrasion, ozone and oil-resistant tubing, and to stand up to the elements. It's typically made of synthetic rubber and/or plastics - usually polyurethane (PUR). The reasons PUR is a popular choice comes down to its excellent abrasion and impact resistance. It's also the ideal cover hose material due to its vibration resistance.
The synthetic rubber used is usually neoprene, which also offers outstanding abrasion resistance. It can accommodate a range of operating temperatures but has a shorter shelf life than PUR and is not as flexible.
DIN EN 856 4SP technical data
| Items Number | Hose I.D. | Hose O.D. | Wax W.P. | Min B.P. | Min B.R. | Weight | ||
| inch | mm | MPa | psi | MPa | psi | mm | kg/m | |
| 4SP-04 | 1/4 | 19 | 45 | 6527 | 180 | 26106 | 150 | 0.61 |
| 4SP-08 | 1/2 | 25 | 41.5 | 6019 | 166 | 24076 | 230 | 0.88 |
| 4SP-12 | 3/4 | 33 | 35 | 5076 | 140 | 20305 | 300 | 1.47 |
| 4SP-16 | 1 | 41 | 28 | 4061 | 112 | 16244 | 340 | 1.98 |
| 4SP-20 | 1-1/4 | 52 | 21 | 3045 | 84 | 12183 | 460 | 2.55 |
| 4SP-24 | 1-1/2 | 59 | 18.5 | 2683 | 74 | 10733 | 560 | 3.26 |
| 4SP-32 | 2 | 71 | 16.5 | 2393 | 66 | 9572 | 660 | 4.92 |
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