Circular Smoke Extraction Ducts and Fittings

The system of single-compartment steel, circular smoke extraction ducts
in E ₆₀₀ 120 (h_o) S1500 single fire resistance class is intended to be
used in the construction industry in a horizontal system as elements
creating a smoke extraction ventilation system or combined ventilation,
fulfilling at the same time the functions of general and smoke extraction
ventilation, assuming that they serve only the compartment in which they
have been installed. Systems serving one fire compartment may be independent
systems or may be combined with a collective, multi-compartment system.

The main task of the smoke extraction systems is to remove hot gases and
smoke from the area covered by the fire in order to facilitate
the evacuation of people and to enable the extinguishing action and
the evacuation of people from the area at risk, while complying with
the criteria of fire and/or smoke tightness specified under conditions
of exposure to a temperature of 600°C.

The SMOKE system steel, single-compartment, round smoke extraction ducts, together with their components, are classified according to the PN-EN 13501-4+A1:2016 in E₆₀₀ 120 (h_o) S1500 single fire resistance class, and as non-combustible and non-fire spreading.

All male components of the SMOKE system smoke extraction ducts are equipped with GASK double lip seals for ventilation fittings made of EPDM and a 1.8 mm thick and 10 mm wide intumescent seal.

Circular Smoke Extraction Ducts and Fittings - Products range

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Updated 2020-04-30

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Product code	Name of product	Files to download
SPR-Z-SMO	Spiral duct for smoke extraction system SPR-Z-SMO SMOKE system spiral circular duct, fire resistance class: E₆₀₀ 120 (h_o) S1500 single, designed for single-compartment smoke extraction systems and combined (dual-function) systems. Made of galvanized steel sheet DX51D+Z275 according to PN-EN10346:2011, thickness 0.7mm for diameters from 100-710mm, 0.9mm for diameters from 800-1000mm. The maximum length of a straight duct is 6000mm. Spiral ducts meet the requirements of airtightness class D in accordance with PN-EN 12237. In the whole range of diameters, they are made as spiral lock seamed ducts made of 137mm wide sheet metal sheet, additionally, from the diameter of 250 to 1000mm, they are corrugated.	Spiral duct for smoke extraction system
BSL-SMO-90	Segmented bend 90 degree for smoke extraction systems BSL-SMO segmented male bend, fire resistance class: E₆₀₀ 120 (h_o) S1500 single, designed for single-compartment smoke extraction systems and combined (dual-function) systems. The bend with a standard radius rm=d1 is equipped with GASK - double lip seals for ventilation fittings made of EPDM and a 1.8 mm thick and 10 mm wide intumescent seal. Welding points and other joints are covered with high-temperature sealant. SMOKE System fittings are available in diameters from 100 to 1000 mm.	Segmented bend 90 degree for smoke extraction systems
BSL-SMO-45	Segmented bend 45 degree for smoke extraction systems BSL-SMO-45 segmented male bend, fire resistance class: E₆₀₀ 120 (h_o) S1500 single, designed for single-compartment smoke extraction systems and combined (dual-function) systems. The bend with a standard radius rm=d1 is equipped with GASK double lip seals for ventilation fittings made of EPDM and a 1.8 mm thick and 10 mm wide intumescent seal. Welding points and other joints are covered with high-temperature sealant. SMOKE System fittings are available in diameters from 100 to 1000 mm.	Segmented bend 45 degree for smoke extraction systems
BSDL-SMO-90	Long segmented bend for smoke extraction systems BSDL-SMO-90 long segmented male bend, fire resistance class: E₆₀₀ 120 (h_o) S1500 single, designed for single-compartment smoke extraction systems and combined (dual-function) systems. The bend with a standard radius rm=d1 is equipped with GASK double lip seals for ventilation fittings made of EPDM and a 1.8 mm thick and 10 mm wide intumescent seal. Welding points and other joints are covered with high-temperature sealant. SMOKE System fittings are available in diameters from 100 to 1000 mm.	Long segmented bend for smoke extraction systems
RSCLL-SMO/RSCLFL-SMO/RSLL-SMO/RSLFL-SMO	Segmented reducer for smoke extraction systems Segmented male reducers, fire resistance class: E₆₀₀ 120 (h_o) S1500 single, designed for single-compartment smoke extraction systems and combined (dual-function) systems. All male reducers are equipped with GASK double lip seals for ventilation fittings made of EPDM and a 1.8 mm thick and 10 mm wide intumescent seal. Welding points and other joints are covered with high-temperature sealant. SMOKE System fittings are available in diameters from 100 to 1000 mm.	Segmented reducer for smoke extraction systems
NSL-SMO	Male coupling for smoke extraction systems NSL-SMO male coupling fire resistance class: E₆₀₀ 120 (h_o) S1500 single, designed for single-compartment smoke extraction systems and combined (dual-function) systems. The coupling is used for connecting SPR-SMO ducts or female fittings, it is equipped with GASK double lip seals for ventilation fittings made of EPDM and 1.8 mm thick and 10 mm wide intumescent seal. Welding points and other joints are covered with high-temperature sealant. SMOKE System fittings are available in diameters from 100 to 1000 mm.	Male coupling for smoke extraction systems
MSF-SMO	Female coupling for smoke extraction systems MSF-SMO female coupling, fire resistance class: E₆₀₀ 120 (h_o) S1500 single, designed for single-compartment smoke extraction systems and combined (dual-function) systems. The coupling is used for connecting male fittings, it is equipped with two GASK double lip seals for ventilation fittings made of EPDM rubber and 1.8 mm thick and 10 mm wide intumescent seal. Welding points and other joints are covered with high-temperature sealant. SMOKE System fittings are available in diameters from 100 to 1000 mm.	Female coupling for smoke extraction systems
ILSL-SMO	Segmented branch for the smoke extraction system ILSL-SMO segmented branch with male end, fire resistance class:E₆₀₀ 120 (h_o) S1500 single, designed for single-compartment smoke extraction systems and combined (dual-function) systems. It is equipped with GASK double lip seals for ventilation fittings made of EPDM rubber and a 1.8 mm thick and 10 mm wide intumescent seal. Welding points and other joints are covered with high-temperature sealant, which should be also used for sealing the connection of ILSL-SMO with another duct. SMOKE System fittings are available in diameters from 100 to 1000 mm.	Segmented branch for the smoke extraction system
CSL-SMO	Male end cap for smoke extraction system CSL-SMO segmented male end cap, fire resistance class: E₆₀₀ 120 (h_o) S1500 single, designed for single-compartment smoke extraction systems and combined (dual-function) systems. It is equipped with GASK double lip seals for ventilation fittings made of EPDM rubber and a 1.8 mm thick and 10 mm wide intumescent seal. Welding points and other joints are covered with high-temperature sealant. SMOKE System fittings are available in diameters from 100 to 1000 mm.	Male end cap for smoke extraction system
CSF-SMO	Female end cap for smoke extraction systems CSF-SMO segmented female end cap, fire resistance class: E₆₀₀ 120 (h_o) S1500 single, designed for single-compartment smoke extraction systems and combined (dual-function) systems. Welding points and other joints are covered with high-temperature sealant. SMOKE System fittings are available in diameters from 100 to 1000 mm.	Female end cap for smoke extraction systems
CSFH-SMO	Female end cap with a handle for smoke extraction system CSFH-SMO segmented female end cap with handle, fire resistance class: E₆₀₀ 120 (h_o) S1500 single, designed for single-compartment smoke extraction systems and combined (dual-function) systems. Welding points and other joints are covered with high-temperature sealant. SMOKE System fittings are available in diameters from 100 to 1000 mm. There is a handle available for Ø100÷ Ø 224. There are two handles available for Ø250÷ Ø 1000.	Female end cap with a handle for smoke extraction system
ILSNL-SMO	Take-off with a mesh for smoke extraction system ILSNL-SMO male take-off with mesh, fire resistance class: E600 120 (ho) S1500 single, designed for single-compartment smoke extraction systems and combined (dual-function) systems. It serves as an exhaust end piece, equipped with GASK double lip seals for ventilation fittings made of EPDM rubber and a 1.8 mm thick and 10 mm wide intumescent seal. Welding points and other joints are covered with high-temperature sealant. SMOKE System fittings are available in diameters from 100 to 1000 mm.	Take-off with a mesh for smoke extraction system
ILSNF-SMO	Take-off with a mesh for smoke extraction system ILSNF-SMO female take-off with mesh, fire resistance class: E₆₀₀ 120 (h_o) S1500 single, designed for single-compartment smoke extraction systems and combined (dual-function) systems. Female take-offs with mesh serve as an exhaust end piece. Welding points and other joints are covered with high-temperature sealant. SMOKE System fittings are available in diameters from 100 to 1000 mm.	Take-off with a mesh for smoke extraction system
ASVL-45-SMO	Angle take-off with mesh for smoke extraction system ASVL-45-SMO angle take-off with mesh, with male end ASVL-45-SMO with fire resistance E₆₀₀ 120 _(ho) S1500 single designed for single-compartment smoke extraction systems and mixed (dual-function) systems. The 12.7x12.7 mm mesh, a drip directed at 45° angle, GASK double lip gasket for ventilation fittings made of EPDM rubber and a 1.8 mm thick and 10 mm wide intumescent seal. Welding points and other joints are covered with high-temperature sealant. SMOKE System fittings are available in diameters from 100 to 1000 mm.	Angle take-off with mesh for smoke extraction system
SSCL-SMO / SSL-SMO	Collar saddle for smoke extraction systems SSCL-SMO/SSL-SMO full segmented collar saddle, fire resistance class: E600 120 (ho) S1500 single, designed for single-compartment smoke extraction systems and combined (dual-function) systems. It is available in a symmetrical and asymmetrical version, it is equipped with GASK two double seals for ventilation fittings made of EPDM and a 1.8 mm thick and 10 mm wide intumescent seal. Welding points and other joints are covered with high-temperature sealant, which use is required during assembly in a duct. SMOKE System fittings are available in diameters from 100 to 1000 mm.	Collar saddle for smoke extraction systems
SPSL-SMO	Short collar saddle for smoke extraction systems SPSL-SMO segmented short collar saddle, fire resistance class: E₆₀₀ 120 (h_o) S1500 single, designed for single-compartment smoke extraction systems and combined (dual-function) systems. It is used as a multi-purpose piece for construction of T-pieces or branches, it is equipped with GASK double lip seals for ventilation fittings made of EPDM and a 1.8 mm thick and 10 mm wide intumescent seal. Welding points and other joints are covered with high-temperature sealant, which use is required during an assembly on a duct. SMOKE System fittings are available in diameters from 100 to 1000 mm.	Short collar saddle for smoke extraction systems
TSCL-SMO / TSL-SMO	Segmented T-piece for smoke extraction systems TSCL-SMO / TSL-SMO segmented T-pieces, fire resistance class: E₆₀₀ 120 (h_o) S1500 single, designed for single-compartment smoke extraction systems and combined (dual-function) systems. They are available in a symmetrical and asymmetrical version, they are equipped with GASK double lip seals for ventilation fittings made of EPDM and a 1.8 mm thick and 10 mm wide intumescent seal. Welding points and other joints are covered with high-temperature sealant. SMOKE System fittings are available in diameters from 100 to 1000 mm.	Segmented T-piece for smoke extraction systems
TPCL-SMO	Pressed T-piece for smoke extraction systems TPCL-SMO equal pressed T-piece, fire resistance class: E600 120 (ho) S1500 single, designed for single-compartment smoke extraction systems and combined (dual-function) systems. Pressed T-pieces are equipped with GASK double lip seals for ventilation fittings made of EPDM and a 1.8 mm thick and 10 mm wide intumescent seal. Welding points and other joints are covered with high-temperature sealant. SMOKE System fittings are available in diameters from 100 to 1000 mm. TPCL-SMO equal pressed T-piece made of a SPSL-SMO short segmented saddle for ducts.	Pressed T-piece for smoke extraction systems
YSVL-SMO	Y-piece for smoke extraction systems YSVL-SMO symmetrical Y-piece, fire resistance class: E600 120 (ho) S1500 single, designed for single-compartment smoke extraction systems and combined (dual-function) systems. Y-piece's design enables even air distribution. It is equipped with GASK double lip seals for ventilation fittings made of EPDM and a 1.8 mm thick and 10 mm wide intumescent seal. Welding points and other joints are covered with high-temperature sealant. SMOKE System fittings are available in diameters from 100 to 1000 mm.	Y-piece for smoke extraction systems
ILA-NSL-SMO-SIL	Flexible duct connector for smoke extraction systems ILA-NSL-SMO-SIL flexible duct connector with male ends (thermal expansion joint), fire resistance class: E600 120 (ho) S1500 single, designed for single-compartment smoke extraction systems and combined (dual-function) systems. The flexible duct connector is made of AMT flexible duct connector tape, a joint consisting of a layer of silicone coated fabric and two strips of sheet metal on both sides, it is equipped with GASK double lip seals for ventilation fittings made of EPDM and a 1.8 mm thick and 10 mm wide intumescent seal. SMOKE System fittings are available in diameters from 100 to 1000 mm. Flexible duct connectors should be used for ducts longer than 5 m. The maximum permissible distance between flexible duct connectors must not exceed 10 m.	Flexible duct connector for smoke extraction systems
ILA-FLS-SMO-SIL	Flexible duct connector with flanges for smoke extraction systems ILA-FLS-SMO-SIL flexible duct connector with flanges (thermal expansion joint), fire resistance class:E600 120 (ho) S1500 single, designed for single-compartment smoke extraction systems and combined (dual-function) systems. The connector is made of AMT tape, a joint consisting of a layer of silicone coated fabric and two strips of sheet metal on both sides. Welding points and other joints are covered with high-temperature sealant. SMOKE System fittings are available in diameters from 100 to 1000 mm. Flexible duct connector should be used for ducts longer than 5 m. The maximum permissible distance between flexible duct connector must not exceed 10 m.	Flexible duct connector with flanges for smoke extraction systems
SGR-SMO	Ventilation grille for smoke extraction systems SGR-SMO grilles are used for exhaust air in smoke extraction ducts, fire resistance class: E600 120 (ho) S1500 single, designed for single-compartment smoke extraction systems and combined (dual-function) systems. Front frame is made of pressed steel profiles, adhering to the profile of a circular air duct. Blades made of rolled steel plate profile. Horizontal or vertical fixture of blades, inclination angle of the blades of the grille is 90˚. If one of the dimensions of the mounting hole A or B exceeds 550 mm, the grille is equipped with a bracing bracket made of galvanized steel sheet.	Ventilation grille for smoke extraction systems
SIL-GL-SMO	Silencer for circular smoke extraction systems SIL-GL-SMO circular silencer, fire resistance class: E600 120 (ho) S1500 single, designed for single-compartment smoke extraction systems and combined (dual-function) systems. It is equipped with GASK double lip seals for GASK ventilation fittings made of EPDM and a 1.8 mm thick and 10 mm wide intumescent seal. Welding points and other joints are covered with high-temperature sealant. SMOKE System fittings are available in diameters from 100 to 1000 mm. SIL-GL-SMO circular silencers consist of the inner jacket made of perforated metal sheet, filling in the form of glass wool with a thickness of 50mm or 100mm with a minimum density of 10 kg/m3 and outer coat.	Silencer for circular smoke extraction systems