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731 Hydraulic hose
731 Hydraulic Hose ISO 3862 TYPE 4SH / DIN EN 856 TYPE 4SH / SAE J1942 Applicable media: Petroleum hydraulic oils, water-glycol fluids, lubricating oils, air and water. When used for air pressure above 1.7 MPa, the hose requires perforation. Inner layer: Synthetic...
Description
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731
Hydraulic hose
ISO 3862 TYPE 4SH / DIN EN 856 TYPE 4SH / SAE J1942
Applicable media: Petroleum hydraulic oils, water-glycol fluids, lubricating oils, air and water. When used for air pressure above 1.7 MPa, the hose requires perforation.
Inner layer: Synthetic rubber.
Reinforcing layer: Four layers of steel winding.
Outer layer: Synthetic rubber.
Temperature range:
General: -40°C to +100°C
Exceptions:
Air: up to +70°C
Water: up to +85°C
Compatible Fittings: 73 Series.
| Model | Int. hose diameter (I.D.) | Hose outer diameter | Maximum working pressure | Minimum bend radius | Weight | Fittings | ||||
| DN | inch | Size | mm | mm | MPa | psi | mm | kg/m | Episode 73 | |
| 731-12 | 20 | 3/4 | -12 | 19.1 | 32 | 42.0 | 6000 | 280 | 1.72 | · |
| 731-16 | 25 | 1 | -16 | 25.4 | 39 | 38.0 | 5500 | 340 | 2.14 | · |
| 731-20 | 32 | 1-1/4 | -20 | 31.8 | 45 | 32.5 | 4700 | 460 | 2.96 | · |
| 731-24 | 40 | 1-1/2 | -24 | 38.1 | 53 | 29.0 | 4200 | 560 | 3.20 | · |
| 731-32 | 50 | 2 | -32 | 50.8 | 68 | 25.0 | 3600 | 700 | 5.30 | · |
Product advantages
Ideal choice for standard high-pressure hydraulic applications.
The compatible hose-fitting system is an approved and recognized safe combination.
Excellent quality and safety, as well as long service life of finished assemblies.
The hose may be briefly immersed in mineral oil at a temperature not exceeding 70°C, subject to regular inspection.
Parker high-pressure hoses are compatible with a full range of carbon and stainless steel no-stripping fittings.
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