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Residential Flat Duct Attenuator - Sound Attenuation

Verified by manufacturer 6 months ago

Model R6, type CS (centre spigot)

Allaway Acoustics Ltd Variant:

Rectangular residential flat duct sound attenuators.

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+44 (0)1992 550825 Website

Application

Residential sound attenuation.

Description

Rectangular residential flat duct sound attenuators


Features and benefits:

  • 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 guidance

Excluding 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 guidance

Excluding spigot(s) where applicable.

Uniclass

Pr_65_67_78_72 Rectangular attenuatorsPrimary

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 guidance

Airflow 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 guidance

Linings 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 guidance

Splitters 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 guidance

Excluding spigots.

Width

Spigot width: 204 mm. Body width: 204 mm.

Manufacturer guidance

Manufacturing dimensional tolerance <1.0%.

Non-standard attenuators are available; consult manufacturer for options and insert requirements.

Height

Spigot height: 60 mm. Body height: 120 mm.

Guidance for specification option:

Overall height.

Attenuator height: 60 mm.

Manufacturer guidance

Manufacturing 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.

Sustainability data

Material

Steel

Stainless steel

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