HP-REC
SAE 100 R4 HYDRAULIC SUCTION RUBBER HOSE
sae 100 r4 spiral steel wire suction and return hose, featuring a continuous spiral steel wire skeleton to prevent collapse under negative pressure suction, oil-resistant and high/low temperature-resistant. suitable for low-pressure oil circuits up to 2.1mpa, specifically designed for hydraulic pump suction and high-flow tank return lines. widely used in hydraulic systems of excavators, forklifts, tractors, and injection molding machines. abrasion and aging-resistant, a universal suction and discharge line for construction machinery.
| PRODUCT MODEL | METRIC SPECIFICATIONS SIZE (mm) | IMPERIAL SPECIFICATIONS SIZE (in) | HOSE INNER DIAMETER I.D (mm) | HOSE OUTER DIAMETER O.D (mm) | MAXIMUM WORKING PRESSURE Max.W.P | TEST PRESSURE P.P | 最小爆破压力 Min.B.P | 参考重量 W.T | |||
| TYPE | mm | in | Min | Max | Max | Mpa | Psi | Mpa | Psi | Mpa | kg/m |
| R4-12 | 19 | 3/4 | 18.2 | 19.8 | 34.9 | 2.1 | 305 | 4.2 | 610 | 8.4 | 0.92 |
| R4-16 | 25 | 1 | 24.6 | 26.2 | 41.3 | 1.7 | 250 | 3.5 | 510 | 7 | 1.10 |
| R4-20 | 31.5 | 1-1/4 | 30.6 | 33.0 | 50.8 | 1.4 | 200 | 2.8 | 410 | 5.6 | 1.30 |
| R4-24 | 38 | 1-1/2 | 36.9 | 39.3 | 57.2 | 1.05 | 150 | 2.1 | 305 | 4.2 | 0.30 |
| R4-32 | 51 | 2 | 49.2 | 52.4 | 69.9 | 0.7 | 100 | 1.4 | 200 | 2.8 | 2.23 |
| R4-40 | 63 | 2-1/2 | 61.9 | 65.1 | 82.6 | 0.4 | 60 | 0.85 | 120 | 1.7 | 3.23 |
| R4-48 | 76 | 3 | 74.6 | 77.8 | 95.3 | 0.4 | 60 | 0.8 | 120 | 1.6 | 4.25 |
| R4-56 | 89 | 3-1/2 | 87.3 | 90.5 | 107.9 | 0.3 | 40 | 0.6 | 90 | 1.25 | 5.50 |
| R4-64 | 102 | 4 | 100.0 | 103.2 | 120.7 | 0.25 | 40 | 0.6 | 70 | 1 | 5.60 |
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