Residential Flat Duct Attenuator - Sound Attenuation
Verified by manufacturer 6 months ago
Model R6, type NS (plain ends)
Model R6, type NS (plain ends)
Rectangular residential flat duct sound attenuators, made to order.
Application
Residential sound attenuation.
Description
Rectangular residential flat duct sound attenuators, made to order.
Features and benefits:
- Made to order - standard and non-standard lengths available.
- Constructed in accordance with DW 144 specification for medium pressure (Class B) ductwork.
- Plain end, centre spigot or top spigot configurations, all available in two height/width combinations.
- Side linings contain a sound-absorbent infill that is encapsulated with glass cloth and perforated steel.
- Note that attenuators are supplied without support steelwork, brackets, fixings, gasket, mastic or other such items unless specified otherwise.
- Part of a range of duct attenuators; other models specified separately.
General information
Color | Silver Other Guidance for specification option: Protective paint finish (optional; visible external metal surfaces only). |
Finish | Galvanized Natural Painted Guidance for specification option: Protective paint finish (optional; visible external metal surfaces). |
Material | Steel Stainless steel |
Shape | Rectangle |
Length | 600 mm 900 mm 1200 mm Manufacturer guidanceExcluding spigot(s) where applicable. |
Width | 204 mm Guidance for specification option: Model R6. 222 mm Guidance for specification option: Model R9. Bespoke |
Height | 60 mm Guidance for specification option: Model R6, plain ends only. 90 mm Guidance for specification option: Model R9, plain ends only. 120 mm Guidance for specification option: All models with spigots. Bespoke Manufacturer guidanceExcluding spigot(s) where applicable. |
Uniclass | |
CAWS | U90/480 Silencers U90/480 Silencers |
Specification data - Rectangular attenuators
Application | Manufacturer's standard.Special construction.Guidance for specification option: Consult manufacturer for options and insert requirements (including all relevant properties below). Refer to equipment schedule for details. Manufacturer guidanceAirflow can be in either direction. |
Performance standards | To ISO 7235. |
Duty | |
Insertion loss | Manufacturer's standard.Guidance for specification option: Derived from tests carried out in accordance with ISO 7235 and may vary depending on installed conditions. Consult manufacturer for further details. |
Air volume | Guidance for specification option: Consult manufacturer for details based on dimensions specified, or insert requirements and consult manufacturer for size(s) required to achieve this. |
Permissible pressure loss | Manufacturer's standard.Guidance for specification option: Derived from tests carried out in accordance with ISO 7235 and may vary depending on installed conditions. Consult manufacturer for further details. |
Casing material | Pre-galvanized steel, standard. |
Lining material | Horizontal arrangement.Manufacturer guidanceLinings contain a sound-absorbent infill that is encapsulated with glass cloth and perforated steel. |
Duct connections | Guidance for specification option: Insert requirements or omit. Ass Accessories for related options. |
Splitters | Manufacturer's standard (vertical).Horizontal arrangement.Manufacturer guidanceSplitters contain a sound-absorbent infill that is encapsulated with glass cloth and plain/ perforated steel. Aerodynamic fairings at each end. |
Markings | Guidance for specification option: Consult manufacturer for options and insert requirements, or omit. |
Length | 600 mm. Guidance for specification option: Standard. 900 mm. Guidance for specification option: Standard. 1200 mm. Guidance for specification option: Standard. Manufacturer guidanceExcluding spigots. |
Width | 204 mm. Manufacturer guidanceManufacturing dimensional tolerance <1.0%. Non-standard attenuators are available; consult manufacturer for options and insert requirements. |
Height | 60 mm. Manufacturer guidanceManufacturing dimensional tolerance <1.0%. Non-standard attenuators are available; consult manufacturer for options and insert requirements. |
Noise | Manufacturer's standard. Guidance for specification option: Flow noise derived from tests carried out in accordance with ISO 7235 and may vary depending on installed conditions. Consult manufacturer for further details. |
Accessories | None. Protective paint finish (visible external metal surfaces). Guidance for specification option: Insert colour requirements. Melinex encapsulated infill. Other. Guidance for specification option: Supplied without support steelwork, brackets, fixings, gasket, mastic or other such items unless stated otherwise. |
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