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HYDRAULIC RETURN HOSE

OIL & FUEL · 21 bar working / 84 bar burst

Hose Construction
Structure:The Hose Consists of an Inner Rubber Tube, One or Two Layers of Fiber Braiding or One Layer of Spiral Steel Wire Reinforcement, and an Outer Rubber Cover
Working Temperature:-40℃ to +100℃; for Water-based Media: 0℃ to +70℃
Hose Features
Pressure Rating:Rated 21 bar working with 84 bar minimum burst: a 4.0× safety margin, quoted per code in the table below.
Size Coverage:10 codes in the table, 19–102 mm bore, from R4-12-19 upward.
Mass Per Metre:0.68–3.21 kg/m.
Application:Suitable for Conveying Petroleum-based Hydraulic Fluids Such as Alcohols, Hydraulic Oil, Lubricating Oil, and Emulsions.
Outer Diameter:34–120 mm outside diameter over the range.

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Data Display

PRODUCT NAME	NOMINAL BORE (mm)	SPECIFICATION (inch)	INSIDE DIAMETER （ID）mm (min)	INSIDE DIAMETER （ID）mm (max)	OUTSIDE DIAMETER （OD）mm (max)	MAXIMUM WORKING PRESSURE W.P (Mpa)	psi	MINIMUM BURST PRESSURE B.P (Mpa)	psi	REFERENCE WEIGHT W.T (Kg/m)
R4-12-19	19	3/4“	18.6	19.8	34	2.1	305	8.4	1,218	0.68
R4-16-25	25	1”	25	26.4	40	1.7	247	7.0	1,015	0.84
R4-20-32	32	1-1/4“	31.4	33	48	1.4	203	5.6	812	1.13
R4-45	45	1-3/4“	45.1	49.1	51	0.8	116	3.2	464	1.2
R4-24-38	38	1-1/2”	36.9	39.3	54	1.05	152	4.2	609	1.41
R4-32-51	51	2“	49.2	52.4	68	0.7	102	2.8	406	1.85
R4-40-63	64	2-1/2”	61.9	65.1	81	0.4	58	1.7	247	2.28
R4-48-76	76	3”	74.6	77.8	93	0.4	58	1.6	232	2.64
R4-56-89	89	3-1/2“	87.3	90.5	106	0.3	44	1.25	181	3.02
R4-64-102	102	4”	100	103.2	120	0.25	36	1.0	145	3.21

Values are reproduced from the official YIBO product page. psi columns = MPa × 145.038, rounded. 21 bar working and 84 bar minimum burst is the ceiling of this range; the order data sheet governs the batch.

⬇ Download Datasheet (PDF)

Application & Selection

SUITABLE FOR CONVEYING PETROLEUM-BASED HYDRAULIC FLUIDS SUCH AS ALCOHOLS, HYDRAULIC OIL, LUBRICATING OIL, AND EMULSIONS. HYDRAULIC RETURN HOSE is published in 10 codes spanning 19–102 mm bore.

HYDRAULIC RETURN HOSE tops out at 21 bar working over its 10 codes. Mass runs 0.68–3.21 kg/m across the 10 codes. HYDRAULIC RETURN HOSE assemblies ship crimped and pressure-tested, with metric / BSP / JIC / ORFS ends. Allow about 20 days from confirmation for HYDRAULIC RETURN HOSE; OEM marking and packing on request.

Inside the YIBO Hose Factory · The line behind the R4-12-19 code — winding, crimping and burst testing on one floor.

Frequently Asked Questions

What bore sizes does HYDRAULIC RETURN HOSE cover?

HYDRAULIC RETURN HOSE is published in 10 codes spanning 19–102 mm nominal bore, from R4-12-19 upward. Starting at R4-12-19: outside diameter 34–120 mm, one row per code.

What is the working pressure of HYDRAULIC RETURN HOSE?

HYDRAULIC RETURN HOSE tops out at 21 bar working over its 10 codes. Sizing: read the 10 rows over 19–102 mm against your own circuit rather than the range maximum.

What is the MOQ on HYDRAULIC RETURN HOSE?

Standard items of HYDRAULIC RETURN HOSE start from 100 m, covering every code in the 19–102 mm band; free samples are available so the quality can be checked against your medium before you commit to volume.

What is the lead time, and is OEM available for HYDRAULIC RETURN HOSE?

HYDRAULIC RETURN HOSE production runs about 20 days from confirmation, across the 19–102 mm band. HYDRAULIC RETURN HOSE assemblies ship crimped and pressure-tested, with metric / BSP / JIC / ORFS ends.