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The FDA212 round fire dampers are designed for use in general ventilation systems to seal off smoke and fire between adjacent fire partitions. The fire dampers are classified according to EN 135013+A12010P (Fire classification of construction products and building elements). The fire resistance was tested as per PNEN 1366 22015 (Fire resistance tests for service installations — Part 2 Fire dampers). The entire manufacturing process meets the requirements of EN 156502010. The FDA212 fire dampers can be installed in horizontal and vertical fire partitions to provide fire resistance of EI 120 (ve ho i↔o) S (which may depend on the actual fire resistance of the partition). The fire dampers are available in the nominal diameter sizes DN200, DN224, DN250, DN280, DN300, DN315, DN355, DN400, DN450, DN500, DN560, DN600, DN630. All fire dampers have a torsion spring trip (in FDA212T) or a returnspring actuator coupled with a thermal trip (in FDA212M).

Plug ends are pressed with a male end on the duct side to blind it at air tightness class D. The plug end rim is long enough to easily secure it with WGO screws without any risk of cutting the gasket's double lip. CPSL plug ends are equipped with a stop fold which prevents inserting the fitting too deep into the duct. Safe edges (rolled edges) allow the duct installer safer installation of the ductwork, by minimizing the possibility of cuts.

FLXPLO / FLXPRO plenum boxes are components of the FLXREKU system intended for domestic mechanical ventilation systems, also known as mechanical ventilation heat recovery (MVHR) or heat recovery ventilation. The low profile plenum boxes require less installation space than standard solutions, which is very convenient when they should not be prominent once concealed. This advantage helps free up usable indoor area. FLXPLO plenum boxes are made of galvanized steel sheet. Plenum boxes made from stainless steel are available on request. Available also insulated plenum box version FLXPLI and FLXPRI. These plenum boxes have inside a insulation lining made from 9 mm thick rubber foam. FLXPLO plenum boxes are equipped with duct connection spigot Ød2 with a EPDM seal – this type of connection with FLXHDPE ducting is airtight and easy to install.

longitudinal welding with overlap pipe for transporting air and dust. TRANSQuick system is made of galvanised steel sheet, 0.7 and 0.9 mm in thickness. Depending on the wall thickness there are available various lengths 0.7 mm thickness L=500 / 1000 / 1480 mm. 0.9 mm thickness L=500 / 1000 mm

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The FDA212 round fire dampers are designed for use in general ventilation systems to seal off smoke and fire between adjacent fire partitions. The fire dampers are classified according to EN 135013+A12010P (Fire classification of construction products and building elements). The fire resistance was tested as per PNEN 1366 22015 (Fire resistance tests for service installations — Part 2 Fire dampers). The entire manufacturing process meets the requirements of EN 156502010. The FDA212 fire dampers can be installed in horizontal and vertical fire partitions to provide fire resistance of EI 120 (ve ho i↔o) S (which may depend on the actual fire resistance of the partition). The fire dampers are available in the nominal diameter sizes DN200, DN224, DN250, DN280, DN300, DN315, DN355, DN400, DN450, DN500, DN560, DN600, DN630.

The HRUSlimAIR heat recovery unit is designed for residential buildings. The HRU has a capacity of 250 m3/h @ 100 Pa, generated by energyefficient EC fans. Thanks to a counterflow heat exchanger made of a plastic (PET), it achieves up to 90% heat recovery An ERV version with an enthalpy exchanger that recovers moisture is also available. Builtin electric preheater protects heat exchanger against freezing, wireless radio communication connects controllers and sensors, and all of it is enclosed inside a selfsupporting, insulating EPP casing. HRUSlimAIR can be installed in up to 3 positions, thanks to a special condensate drain system.

Round spiral ducts are available in diameters from 80 mm to 1600 mm. The ducts are available as made of 0.4 mm to 1.8 mm thick metal sheet; the ducts in diameters of DN 160 mm or greater are also available with corrugation for improved stiffness and vacuum strength. The corrugations are available as a standard feature for diameters of DN 250 mm to DN 1600 mm. All spiral ducts made from galvanized steel sheet, stainless steel sheet or aluminium sheet meet requirements of air tightness class D according to EN 12237. material:galvanized steel sheet diameters:80-1600mm airtightness:class D sheet thickness:0.4 to 1.8 mm

HHS wall diffuser for fresh air supply. Male connector with gasket for fast connection with SPIRAL® duct. Powder painted with white RAL 9010 colour which provides additional protection from corrosion in places with high humidity, such as bathrooms. An excellent choice when celling mounting is out of the scope or the interior design requires a wall diffuser. It can be used in offices, residential houses and mounted just under the ceiling as well.

The smog filter is designed for effective filtration of the socalled particulate matter. The PM2.5 and PM10 particles are the main component of smog, which have an optical diameter of 2.5 and 10 μm (micrometers). The filtration efficiency (removal) of PM2.5 particles reaches up to 73%, and PM10 particles up to 81% (according to tests carried out with a dust particle measuring device). The smog duct filter consists of a sealed filter box and two filters prefilter and smog filter. It is recommended to install a smog filter on the supply ducts in domestic ventilation and heat recovery systems. In the MOCarzCA version prefilter I3 was replaced by an activated carbon prefilter (or activated charcoal). The main purpose of using such a material is deodorization of air and preliminary cleaning of dust and gaseous pollutants. Activated carbon has a huge adsorption surface, which effectively "binds" on its surface particles of pollutants, bacteria, hydrocarbons.

The FDA12 round fire dampers are designed for use in general ventilation systems to seal off smoke and fire between adjacent fire partitions. The fire dampers are classified according to EN 135013+A12010P (Fire classification f construction products and building elements). The fire resistance was tested as per PNEN 136622001P (Fire resistance tests for service installations Part 2 Fire dampers). The entire manufacturing process meets the requirements of EN 156502010. The FDA12 fire dampers can be installed in horizontal and vertical fire partitions to provide fire resistance of EI 120 (ve ho i↔o) S (which may depend on the actual fire resistance of the partition). The fire dampers are available in the nominal diameter sizes DN100, DN125, DN160, DN200, DN250, and DN315. All fire dampers have a pull spring control gear and a fusible thermal trip (in FDA12T) or a returnspring actuator coupled with a thermal trip (in FDA12M).

Ventilation bends 45˚ made from expanded polypropylene (EPP). Bends are produced in diameters 125, 160 and 200 mm. The standard wall thickness is 43mm (black colour). The connection method eliminates thermal bridges, no additional couplings are required. To create a 90° bend two 45° beds can be connected together. Thermal conductivity 0.039 W / m*K Airtightness class ATC2 (old D) @ 110 Pa acc. to PNEN 17192201901

The DAOS dampers feature a split flap closure and allow the air flow to pass in one direction only. The aluminium closure flaps are pressed against a foam seal when closed to reduce the operating noise in the ductwork. The split flap closure is held closed with a spring gear, which makes it also possible to use the damper in vertical installations. A version intended for a fullmale insertion into the ductwork ends is available on special request.

WKLDB cantilever support arms are designed for installing rectangular ventilation ducts directly along walls and for supporting heavy HVAC components, including A/C split indoor and outdoor units and AHUs. The additional bracing enhances the load capacity, permitting a wider clearance between the suspended installation parts and the walls

Wir führen umfassend Aufträge für die Offshore- und Onshore-Industrie aus. Unser Portfolio umfasst Projektimplementierungen unter anderem für führende norwegische Anbieter von Offshore-Projekten und -Lösungen auf der ganzen Welt.

FLXHDPE and FLXHDPEA plastic ducts are used to air distribution in domestic ventilation systems. Relatively small diameters allow to hide the installation in ceilings, screeds or suspended ceilings. FLXHDPE and FLXHDPEA semirigid ducts are connected to other system components like plenum boxes or distribution boxes with a simple push fit connection. Application of seals on the FLXPLO plenum boxes’ spigots guarantees high air tightness system. FL XHDPE and FL XHDPEA semirigid ducting is made of highimpact polyethylene. This makes the entire ventilation ductwork very durable. FLXHDPEA ducts are complying with European norm EN 171922018 for rigid or semirigid nonmetallic ductwork, which defines the test methods and performance characteristics like airtightness, pressure drop, reaction to fire, resistance to external pressure , thermal resistance and microbial resistance. FLXHDPE75 semirigid ducts without an antibacterial coating are gray.

Heat recovery ventilation unit HRUPremAIR is a modern device with 350 / 450 or 500 m3/h air flow @ 100 Pa. Unit is made from cutting edge materials aluminim heat exchanger and EPP selfsupporting casing. Depending on the model, following heat exchangers are used counterflow aluminium heat exchanger (HRV) or counterflow enthalpy exchanger (ERV). Enthalpy exchangers in HRUPremAIRE series have a polymer membrane that effectively recovers heat and moisture from the extract air. Such membrane works like a membrane in waterproof trekking clothing i.e. it allows water vapour to pass through, but not liquid water and air. The enthalpy exchanger also blocks the transfer of odours, bacteria and spores. The exchanger material, is needless to say, primarily optimized for maximum heat recovery efficiency. PremAIR air handling units optionally can be equipped with the Constant Flow system, whose task is to maintain a constant air flow in the installation.

The RACAV constant air velocity regulator keeps the air output steady in ventilation systems. The device works without any electric power supply and from the minimum pressure differential shown in Chart 1 to the maximum pressure differential of 1000 Pa. The air velocity stability may be reduced outside the range shown in the differential pressure chart. The regulator can be used in comfort or industrial air supply and air exhaust systems.

GCR swirl diffuser is equipped with fixed blades bent at a constant angle. It is made of galvanized steel sheet, powder coated in RAL9010. Swirl diffusers ensure mixing of the fresh air stream with the room air, which is recommended for supplying cold air. They provide a stable flow of the stream and are intended for rooms up to 4m high, for example in public facilities such as hotels, restaurants, office buildings. The perforated plate leads to rapid air flow velocity decrease at low noise levels.

The SLEFL flexible silencer is made of the Alnor Flex perforated duct. The sound insulating layer is 25 mm thick and clad in aluminium and polyester. The silencer is connected to the ductwork with male flanges made of metal. The product is available in two length sizes, 600 mm and 1200 mm. Other silencer versions are available on request with EPDM gaskets, female flanges, or in other length sizes. Insulation Insulation material glass wool. Insulation type trimmed from reel, flexible. Temperature range 20°C to +140°C Thermal insulation performance of mineral wool λ = 0.034 W/mK at 24°C Pressure drop See the enclosed diagram. Fire resistance The silencers are made from fireproof materials.

The IPR access door features a CR EPDM gasket and it is designed for installation on round duct walls. The design of the IPR access door and its gasket profile provide a perfect seal around the duct opening. This ensures a high air tightness class. The product provides a very simple, lowcost and extremely effective solution for closing and sealing access openings in the ductwork. The openings made in the ductwork for access doors must be sized to meet the requirements of EN 12097. Another determinant of the access opening size is how the interior is cleaned. Some cleaning processes and tools require access doors as large as 800x400 mm. The access door is installed in the opening made using the cutting template supplied with the product.

HRUWALLRC is a bidirectional ventilation unit, often described as decentralized or pushpull, with regenerative ceramic heat exchanger. It is intended for single room installation, usually installed in synchronised pairs. The heat exchanger material together with its unique honeycomb structure gives a maximal 82% thermal efficiency ratio (74% acc. to 1254/2014 EU Directive reference measuring point). The operating principle is analogous to HRUWALL unit is working in alternating flow mode, switches the air flow directions every 40120 seconds (pushpull) and it’s equipped with energy efficient EC fan (maximum power consumption is only 6 W for HRUWALLRC15060). The unit casing is made of ABS plastic. A remote controller with LCD display is included in the set. We recommend installing the devices in pairs

The HomEvap adiabatic humidifier is designed for domestic mechanical ventilation systems with a maximum airflow 600 m3/h. Filtered water (Legiosafe®) naturally evaporates on a special matrix, and then the humidified air is distributed to the ventilation duct system and to the connected rooms. The humidification process is regulated by a wireless room controller and a duct sensor. Builtin PTC heater compensates for temperature losses caused by the evaporation process. The housing is made of EPP, while the matrix is made of fiber glass.

SPRZSMO SMOKE system spiral circular duct, fire resistance classE600 120 (ho) S1500 single, designed for singlecompartment smoke extraction systems and combined (dualfunction) systems. Made of galvanized steel sheet DX51D+Z275 according to PNEN103462011, thickness 0.7mm for diameters from 100710mm, 0.9mm for diameters from 8001000mm. The maximum length of a straight duct is 6000mm. Spiral ducts meet the requirements of airtightness class D in accordance with PNEN 12237. In the whole range of diameters they are made as spiral lockseamed ducts made of 137mm wide sheet metal sheet, additionally, from the diameter of 250 to 1000mm, they are corrugated;

Vi prefabricerar, monterar, sätter ihop och efterbehandlar de tillverkade delarna. Vi har specialiserat oss på serietillverkning av stålkomponenter.

We produce such components for the railways industry as: – partitions; – walls; – doors; – panels; – supporting frames for internal parts; – driver’s cab equipment; – equipment boxes; – stairs, handrails; – frames of seats, windows. Welding of constructions for railway is based on DIN EN 15085 CL1. We have implemented and certified quality assurance system consistent - we are welding new components at CL1 class level.

The FDA212 square fire dampers are designed for use in general ventilation systems to seal off smoke and fire between adjacent fire partitions. The fire dampers are classified according to EN 135013+A12010P (Fire classification of construction products and building elements). The fire resistance was tested as per PNEN 1366 22015 (Fire resistance tests for service installations — Part 2 Fire dampers). The entire manufacturing process meets the requirements of EN 156502010. The FDA212 fire dampers can be installed in horizontal and vertical fire partitions to provide fire resistance of EI 120 (ve ho i↔o) S (which may depend on the actual fire resistance of the partition). The fire dampers are available in the nominal sizes 160x160 – 1000x500 mm. All fire dampers have a torsion spring trip (in FDA212T) or a returnspring actuator coupled with a thermal trip (in FDA212M).

The FLXPLOEPPF plenum boxes are part of the FLXREKU air distribution system designed for domestic mechanical ventilation systems, socalled the MVHR system, to which an air valve and FLXHDPE / FLXHDPEA ducts with a diameter of Ø75 are mounted. Due to their small size, they do not require much space or special installation. This allows achieving a larger usable floor area of the room. The FLXPLOEPPF plenum boxes are made of expanded polypropylene, i.e. EPP, while Ø75 spigots are made of ABS. The material used allows obtaining an aerodynamic shape of the inside of the box which leads to low air resistance.

HRUWALL is a singleroom decentralized heat recovery unit for concealed installation. The unit comes with a ceramic heat exchanger which boasts a maximum heat recovery ratio of 90% (the nominal heat recovery ratio is η=74.3% as per EN 1314182011). The energyefficient EC fan changes the running direction every 70 seconds to alternate between air supply and air exhaust. Low energy consumption and extremely low operating noise make this heat recovery unit a recommended solution for nonstop operation. The heat recovery unit has three speed levels to choose from, depending on the size of the area and indoor demands. HRUWALL10025 provides a sufficient air change level in areas up to 19m2. HRUWALL15060 provides a sufficient air change level in areas up to 45m2. We recommend installing the devices in pairs.