High pressure water jet machines - Safety - Part 1: High pressure water jet units
IEC 63458-1:2026 contains safety-related requirements 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 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 high pressure water jet units within this document include machines for one or more of the following industrial applications:
This document applies to 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 (35 MPa is currently the upper limit for machines covered by IEC 60335-2-79).
This document does not cover:
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 provides the full requirements for high pressure water jet machines.
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