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Sinohydr OSDH 150 Hydraulic Oil Suction & Discharge Hose is a high-performance flexible hose designed specifically for both suction and discharge applications in hydraulic systems. Built to GB/T15329.1-2003 standards, this hydraulic oil suction and discharge hose features an advanced four-layer construction with integrated helix steel wire reinforcement, making it capable of handling both positive pressure and vacuum conditions. With a 3:1 safety factor and an operating temperature range of -20°C to 80°C, our suction discharge hydraulic hose delivers reliable performance in the most demanding industrial and mobile equipment applications.
Our hydraulic suction return hose combines a durable NBR+SBR inner tube with high tensile textile cord reinforcement and a continuous helix steel wire, providing exceptional resistance to collapse under vacuum conditions. The NR+SBR outer cover offers excellent abrasion and weather resistance, ensuring long service life even in harsh environments. Available in 10 standard sizes from 19mm to 203mm inner diameter, the OSDH 150 hydraulic hose is the ideal solution for hydraulic systems requiring both suction and discharge capabilities.
Unlike standard delivery hoses, our hydraulic oil suction discharge hose is engineered to handle both positive pressure (up to 10 bar) and full vacuum conditions. The integrated helix steel wire prevents hose collapse during suction operations, making it perfect for hydraulic tank return lines and pump suction applications.
The combination of high tensile textile cord and helix steel wire reinforcement provides superior strength and stability. This unique construction ensures the hose maintains its shape under varying pressure conditions, preventing flow restrictions and ensuring consistent hydraulic system performance.
The NBR+SBR inner tube offers excellent resistance to mineral-based hydraulic oils and fluids with aromatic hydrocarbon content up to 20%. This compatibility ensures long-term performance and prevents premature hose degradation.
The NR+SBR outer cover provides exceptional resistance to abrasion, weathering, and ozone damage. This durable construction makes our hydraulic system return hose suitable for use in outdoor and industrial environments where exposure to dirt, debris, and weather is common.
I.D. | O.D. | W.P. | B.P. | B.R. | Weight | Length | ||||
mm | inch | mm | psi | bar | psi | bar | mm | kg/m | ft | m |
19 | 3/4" | 30 | 150 | 10 | 450 | 30 | 100 | 0.67 | 200 | 61 |
25 | 1" | 36 | 150 | 10 | 450 | 30 | 150 | 0.84 | 200 | 61 |
32 | 1-1/4" | 44 | 150 | 10 | 450 | 30 | 190 | 1.2 | 200 | 61 |
38 | 1-1/2" | 51 | 150 | 10 | 450 | 30 | 220 | 1.5 | 200 | 61 |
51 | 2" | 64 | 150 | 10 | 450 | 30 | 300 | 1.93 | 200 | 61 |
64 | 2-1/2" | 78 | 150 | 10 | 450 | 30 | 380 | 2.55 | 200 | 61 |
76 | 3" | 90 | 150 | 10 | 450 | 30 | 450 | 3.08 | 200 | 61 |
102 | 4" | 120 | 150 | 10 | 450 | 30 | 550 | 4.97 | 200 | 61 |
152 | 6" | 171 | 150 | 10 | 450 | 30 | 750 | 8.17 | 100 | 30.5 |
203 | 8" | 224 | 150 | 10 | 450 | 30 | 1100 | 12.5 | 100 | 30.5 |
Note: Custom specifications, lengths, and end connections are available to meet your specific needs.
Sinohydr OSDH 150 Hydraulic Oil Suction & Discharge Hose is widely used in applications where both suction and discharge of hydraulic fluids are required. It is particularly suitable for:
Hydraulic system suction and return lines in engineering vehicles
Construction machinery hydraulic systems
Agricultural equipment hydraulic circuits
Industrial hydraulic power units
Mining equipment hydraulic systems
Marine hydraulic applications
Oil and gas equipment
Material handling machinery
This engineering vehicle hydraulic hose is essential for hydraulic systems where pumps draw fluid from reservoirs and return it after use. Its ability to handle both vacuum and pressure conditions makes it a versatile and cost-effective solution for a wide range of hydraulic applications.
Yes, the OSDH 150 hydraulic oil suction and discharge hose is specifically designed to handle both full vacuum conditions during suction operations and positive pressure up to 10 bar during discharge.
Suction/discharge hoses feature a helix steel wire reinforcement that prevents collapse under vacuum, while standard delivery hoses only handle positive pressure. Suction hoses also typically have lower working pressure ratings.
The OSDH 150 hose is rated for full vacuum (760 mmHg) across all sizes, ensuring reliable performance in pump suction applications.
This hose is designed for mineral-based hydraulic oils. For synthetic oil applications, please contact our technical team for recommendations on appropriate hose materials.
Standard custom hose assemblies typically ship within 3-5 business days. For large orders or special requirements, please contact our sales team for a specific lead time quote.
