|Fluid Category 3 - Powered||No|
|Fluid Category 3 - Test Points||Verifiable|
Water softening - commercial (common salt); Whole site protection - where Fluid Category 3 required; Application deemed category 3 by the water company
Downloads & Resources
Where indicated on the drawing a Water Regulations approved verifiable double check valve with PN16 flanges shall be installed – model EC453 - as distributed by Arrow Valves Ltd – Tel 01442 823123 www.arrowvalves.co.uk. The pressure drop across the assembly at 1 m/s shall be less than 0.1 bar. The body shall be epoxy coated ductile iron and incorporate a stainless steel spring closing mechanism. The valve shall be serviceable allowing the cartridge to be changed in-situ via the inspection cover.