Product Description:
The SAE 100R4 Hydraulic Suction Hose is designed for the suction and return lines of hydraulic systems. Its construction features a high-quality oil-resistant synthetic rubber inner tube, reinforced with textile layers and an embedded steel wire helix for superior stability and flexibility. The weather- and oil-resistant synthetic rubber cover ensures dependable performance and long service life even in demanding environments.
Construction:
Tube:
oil-resistant synthetic rubber
Reinforcement:
wire helix with one or two layers of textile braid
Cover:
oil, water, heat, abrasion, weather, and ozone-resistant synthetic rubber
Temperature Range:
-40°C to +100°C (-40°F to +212°F), intermittent up to +125°C (+257°F)
Applications:
Designed for suction and return lines in hydraulic systems using petroleum-based and water-based fluids.
Commonly used in:
• Industrial hydraulic systems
• Agricultural and construction machinery
• Oilfield equipment
• Marine and return line systems
Key Features:
Spiral steel wire reinforcement prevents collapse
• Excellent flexibility and vacuum resistance
• Oil- and weather-resistant construction
• Suitable for suction and low-pressure return lines
• Meets SAE 100R4 standard
TECHNICAL DATA
| Part Number |  Inside Diameter |  Outside Diameter |  Max Working Pressure |  Min Burst Pressure |  Min Bend Radius |  Approx. Weight |
|||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| dash | DN | inch | Min ID | Max ID | Min OD | Max OD | MPa | bar | psi | MPa | bar | psi | mm | inch | kg/m | lb/ft | |||||
| mm | inch | mm | inch | mm | inch | mm | inch | ||||||||||||||
| YH-R4-12 | -12 | 19 | 3/4” | 18.2 | 0.72 | 19.8 | 0.78 | none | none | 34.9 | 1.37 | 2.10 | 21.0 | 300 | 8.4 | 84 | 1,210 | 125 | 4.92 | 0.75 | 0.50 |
| YH-R4-16 | -16 | 25 | 1” | 24.6 | 0.97 | 26.2 | 1.03 | none | none | 41.3 | 1.63 | 1.70 | 17.0 | 240 | 6.8 | 68 | 980 | 150 | 5.91 | 0.93 | 0.62 |
| YH-R4-20 | -20 | 32 | 1-1/4” | 30.6 | 1.20 | 33.0 | 1.30 | none | none | 50.8 | 2.00 | 1.40 | 14.0 | 200 | 5.6 | 56 | 810 | 200 | 7.87 | 1.25 | 0.84 |
| YH-R4-24 | -24 | 38 | 1-1/2” | 36.9 | 1.45 | 39.3 | 1.55 | none | none | 57.2 | 2.25 | 1.05 | 10.5 | 150 | 4.2 | 42 | 600 | 255 | 10.04 | 1.54 | 1.03 |
| YH-R4-32 | -32 | 51 | 2” | 49.2 | 1.94 | 52.4 | 2.06 | none | none | 69.9 | 2.75 | 0.70 | 7.0 | 100 | 2.8 | 28 | 400 | 300 | 11.81 | 2.00 | 1.34 |
| YH-R4-40 | -40 | 63 | 2-1/2” | 61.9 | 2.44 | 65.1 | 2.56 | none | none | 82.6 | 3.25 | 0.40 | 4.0 | 58 | 1.6 | 16 | 230 | 355 | 13.98 | 2.50 | 1.68 |
| YH-R4-48 | -48 | 76 | 3” | 74.6 | 2.94 | 77.8 | 3.06 | none | none | 95.3 | 3.75 | 0.40 | 4.0 | 58 | 1.6 | 16 | 230 | 460 | 18.11 | 3.20 | 2.15 |
| YH-R4-56 | -56 | 89 | 3-1/2” | 87.3 | 3.44 | 90.5 | 3.56 | none | none | 107.9 | 4.25 | 0.30 | 3.0 | 44 | 1.2 | 12 | 170 | 530 | 20.87 | 4.03 | 2.71 |
| YH-R4-64 | -64 | 102 | 4” | 100.0 | 3.94 | 103.2 | 4.06 | none | none | 120.7 | 4.75 | 0.25 | 2.5 | 36 | 1.0 | 10 | 140 | 610 | 24.02 | 5.04 | 3.39 |
