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ISO 3862 pdf standard hose assemblies sprial wire type

Date:Jun 19, 2019

ISO 3862 standard is for Rubber hoses and hose assemblies,  Rubber-covered spiral-wire-reinforced hydraulic types for oil-based or water-based fluids  Specification.

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This ISO 3862 document specifies requirements for five types of spiral-wire-reinforced hydraulic hose and hose assembly of nominal size from 6,3 to 51.

They are suitable for use with:

Oil-based hydraulic fluids HH, HL, HM, HR and HV as defined in ISO 6743-4 at temperatures ranging from −40 °C to +100 °C;

Water-based fluids HFC, HFAE, HFAS and HFB as defined in ISO 6743-4 at temperatures ranging from 0 °C to +60 °C;

Water at temperatures ranging from 0 °C to +60 °C.

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This document does not include requirements for end fittings. It is limited to requirements for hoses and hose assemblies.

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ISO 3862  Classification

Five types of hose are specified, distinguished by their construction, working pressure and oil

resistance:

Type 4SP: medium-pressure hoses with four plies of steel wire spiral.

Type 4SH: high-pressure hoses with four plies of steel wire spiral.

Type R12: heavy-duty high-temperature hoses with a medium-pressure rating having four plies of steel wire spiral.

Type R13: heavy-duty high-temperature hoses with a high-pressure rating having a multiple-steel-wire spiral.

Type R15: heavy-duty high-temperature hoses with an extra-high-pressure rating having a multiple-steel-wire spiral.



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