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BS EN 63458-3 Ed.1.0 High Pressure Water Jet Machines - Safety. Part 3: High Pressure Spraying Device

Source:
IEC
Committee:
CPL/61/10 - Floor treatment machines (industrial)
Categories:
Safety. Domestic | Cleaning appliances
Number of comments:
0

Scope

This document contains safety-related requirements for spraying devices for high pressure water jet units with drives of all kinds (e.g. electric motor, internal combustion engine, air and hydraulic) in which pumps are used to generate pressure. This document deals with all significant hazards, hazardous situations and events arising during assembly, erection, operation and servicing relevant to spraying devices for high pressure water jet units, when they are used as intended and under conditions of misuse which are reasonably foreseeable by the manufacturer. All references to spraying devices for high pressure water jet units within this document includes machines for one or more of the following industrial applications:

–        cleaning;

–        surface preparation;

–        material removal;

–        readjustment of concrete;

–        cutting.

NOTE 1 List of significant hazards is given in informative Annex B.

This document applies to spraying devices for mobile and fixed high pressure water jet units, in which the water pressure is generated by a pressure generator/pump and in which the maximum allowable working pressure is more than the upper limit fixed in the scope of IEC 60335-2-79.

NOTE 2 35 MPa is currently the upper limit for machines covered by IEC 60335-2–79.

This document does not cover:

–        high pressure cleaners which are dealt with in IEC 60335-2-54;

NOTE 3 IEC EN 60335-2–54 applies to steam cleaners for household use. IEC EN 60335-2–79 applies to high pressure cleaners having a rated pressure not less than 2,5 MPa and not exceeding 35 MPa, as well as steam cleaners and those parts of hot water high pressure cleaners incorporating a steam stage which have a capacity not exceeding 100 l, a rated pressure not exceeding 2,5 MPa and a product of capacity and rated pressure not exceeding 5 MPa.

–        additional hazards due to the incorporation of high pressure water jet units into other process-technology machines;

–        specific hazards associated with explosive atmospheres, use on ships or ambient temperatures outside the range 5 °C to 40 °C;

–        hazard due to the nature of liquids used for jetting, other than that due to pressure;

–        hazards associated with the drives or specific hazards due to any heat generation function. However, the hazards due to high temperatures of touchable surfaces are dealt with;

–        high pressure water jet units which are manufactured before the date of its publication as IEC;–        high pressure water jet hoses which are covered by IEC 63458-2;

–        high pressure water jet spraying device which are covered by IEC 63458-3;

Tests according to this document are type tests unless they relate to routine (informative) tests to be carried out during series manufacture.

Compliance with IEC 63458-1, IEC 63458-2 and IEC 63458-3 provide the full requirements for high pressure water jet machine.

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