Range of inlet control groups with DZR brass bodies incorporating an in-line, adjustable, pressure reducing valve (PRV) (adjustable range ±10% of the factory pre-set value - see model), and a pressure relief valve (SRV) (set at 3.0 bar, 4.5 bar or 6.0 bar - see model). The product incorporates a single check valve cartridge, after the pressure reducing valve, verified by test (suitable for backflow protection against Fluid Category 2). The product also incorporates an approved check valve cartridge on the angled cold water take off point, verified by test (suitable for backflow protection against Fluid Category 2). Maximum supply pressure 10.0 bar. Cold water use only.
Range of in line regulating valves with gunmetal bodies and EPDM ‘O’-rings. The valves incorporate a non-rising spindle headwork for regulating the flow. Maximum working pressure 16.0 bar. Maximum operating temperature 90°C.
Range of balancing valves with brass or stainless steel bodies and EPDM ‘O’-rings. Maxmimum working pressure 16.0 bar. Maximum operating temperature 90°C.
Range of double regulating valves with gunmetal bodies and EPDM seals. Maximum working pressure 16.0 bar. Maximum operating temperature 90°C.
Range of UV disinfection units with stainless steel bodies and EPDM seals. The UV lamps are housed inside quartz tubes. Maximum working pressure 10.3 bar. Maximum operating temperature 40°C.
'SADIP-Mix'. Factory applied, grey coloured cement mortar. Mix sand, cement & water in a mix ratio of 2:1:0.5 and apply as per manufacturer's 'quality work instruction' document 'QW 41A', issue 4 dated 20/11/97. Cure for 24 hours@25°C. The cement mortar must then be submerged in water for 72 hours before use. For use with water up to 60°C. This material is only approved for the mixing, curing & soaking conditions that appear on the approval. If the mix/cure/soak conditions are varied from those specified on the approval then the material is not covered by the scope of the approval.
'Deep Seal'. Factory applied, red-brown coloured (once mixed and applied), two-part polyurethane coating. Mix, apply and cure (full cure of 7 days@30°C) as per manufacturer's instructions ref. 'DI/PU/2022/072', dated 25/04/2022. For use with water up to 35°C.
'Purtop Easy DW'. Factory applied, two-component, cream coloured (once mixed and applied) polyurethane resin coating. Mix components A & B in a 4:1 volume ratio and apply as per manufacturer's TDS '7483-7-2021-I-gb'. Cure for 6 hours@23°C. For use with water up to 23°C. This material is only approved for the mixing and curing conditions that appear on the approval. If the mixing and/or curing conditions are varied from those specified on the approval then the materials are not covered by the scope of the approval.
'4MID 9B22150 W-A BBK'. Black coloured, injection moulded PA6 material. For use with water up to 85°C.
'Polylite 444-M888'. Amber coloured, unsaturated polyester resin material manufactured by liquid casting. For use with water up to 23°C.
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