WM Specification File
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This Specification sets out requirements for a prefabricated washing device consisting of a rotating arm with included spray nozzles designed specifically for use with wet wells and tanks. These devices are designed to be permanently fixed to the wet well and not portable.
These devices operate on mains or pumped water supply pressure and control is integrated with the pump so as to function when the pump is operational or may be operated manually.
These units may be supplied complete with associated fittings and control equipment for ease of installation on site.
Adoption Date
17 Mar 2022

Licences evaluated under this specification

WM Certificates associated with this Specification

Certificate Current Certification Date Current Expiry Date Status
023455 23 Oct 2022 23 Oct 2027 Active