Fans | Air Handling Units | Air Distribution Products | Air Conditioning | Fire Safety | Air Curtains and Heating Products | Tunnel Fans Danvent DV Modular Air Handling Unit Bella Sky Hotel
Copyright: Systemair A/S 9. edition 2015 We accept no liability for printing errors or alterations of products. The dimensions and data used in this catalogue are a guideline only. Accurate calculations must be made in SystemairCAD.
Danvent DV Modular Air Handling Unit Danvent DV The catalogue contains a technical description of the air handling unit series Danvent DV in the range 0,2-24 m3/s (750-86.000 m3/h). Danvent DV is continually being optimized and added improvements. The result is extremely flexible air handling units, both in terms of design and function. Danvent DV forms together with Systemair's other air handling unit series and ventilation products, the most complete product range in the market.
| Danvent DV Contents Introduction Danvent DV About the Danvent DV Product Information Standards and Certifications Combination Examples Functions Damper Damper Mixing Damper Mixing Damper Compact Filter Bag Filter Rotary Heat Exchanger Plate Heat Exchanger Run-around Coil Heat Exchangers Heating Coil Cooling Coil Change-over Coil Integrated Reversible Heat Pump Air Humidifier Plug Fan Sound Attenuator Inspection Section Empty Section Outdoor Air Section Supporting Legs Base Frame Dimensions for Ducts
Danvent DV Danvent DV | 5
| Danvent DV About the Danvent DV Danvent DV is designed as a modular air handling unit. Each function is placed into an air handling unit casing consisting of one or more modules. The modular functions can be confi gured for many different applications to make up the heart of any ventilation system. The flexibility makes it possible to optimize the air handling unit for each project.
Danvent DV Frame profiles and corners Danvent DV is constructed using a closed framing profile with cast painted aluminium corner pieces. The frame profiles are made of steel with alu-zinc corrosion protection. The result is a strong and robust construction able to resist twisting and lateral movement, making the unit extremely stable and strong. with alu-zinc AZ185 ensure a corrosion protection in class C4 according to EN ISO 12944-2:2000.
| Danvent DV Product Information Air handling unit casing Rigid frames with sound and thermal insulated panels. Materials Frames Closed 1,3/1,5 mm steel profile. Surface: Alu-zinc AZ 185. Corners Strong cast painted aluminium corner pieces. Panels Insulation sandwiched between two 0,8 mm steel sheets. The steel sheets are corrosion protected with alu-zinc AZ185.
Danvent DV | 9 Standards and Certifications The Danvent DV design is based on the demands in the following CEN and ISO standards: EN 13779:2007 Ventilation for non-residential buildings. Performance requirements. EN 305:1997 Heat exchangers. Definition and test procedures. EN 60204-1:2006 Machine safety. Electrical equipment of machines. EN 308:1997 Heat exchangers. Test procedures. EN ISO 3741:2010 Determination of sound power level in reverberation rooms.
| Danvent DV Combination Examples Unit size Rotary heat exchanger 10 15 20 25 30 40 50 60 80 100 120 150 190 240 Unit Width 970 1120 1270 1420 1570 1720 2020 2170 2170 2370 2590 2890 3190 3490 Rotary heat exchanger section Width - - - - - - - - 2320 2520 2890 3040 3720 4020 Unit Height* 970 1120 1270 1420 1570 1720 2020 2240 2540 2840 3140 3440 4340 4940 C1 Length 2160 2160 2460 2460 2760 3060 2910 3280 3210 3960 4260 4560 501
Danvent DV Unit size Plate heat exchanger Cross-flow exchanger 10 15 20 25 30 40 50 60 80 100 120 150 Unit Width 970 1120 1270 1420 1570 1720 2020 2170 2170 2370 2590 2890 Unit Height* 970 1120 1270 1420 1570 1720 2020 2240 2540 2840 3140 3440 Q1 Length 3210 3580 4030 4330 4780 5080 5230 5460 5230 5910 6960 7260 570 760 940 1130 1370 1640 2300 2550 2610 3210 4200 5130 3960 4330 4780 5080 5530 5830 5980 6210 5980 6880 7930 8230
| Danvent DV Combination Examples Unit size Recirculated air 10 15 20 25 30 40 50 60 80 100 120 150 190 240 Unit Width 970 1120 1270 1420 1570 1720 2020 2170 2170 2370 2590 2890 3190 3490 Single height unit Height* 520 595 670 745 820 895 1045 1120 1270 1420 1570 1720 2170 2470 Double height unit Height* 970 1120 1270 1420 1570 1720 2020 2240 2540 2840 3140 3440 4340 4940 M1 Length 2240 2240 2390 2390 2540 2840 2690 2840 2990 366
Den Blå Planet, The National Aquarium Denmark Danvent DV | 13
| Danvent DV Damper DVA Mixing damper DVM Damper DVB Mixing damper DVP Compact filter DVG Functions Dampers The dampers used in Danvent DV comply with EN 1751:2014, sealing class 3. They have contra-rotating aerodynamically formed aluminium blades that ensure a low pressure loss when open. Damper DVB DVB is a shutoff damper fitted at the top of the unit, and is used where a damper is required for vertical air handling unit connection. Prepared for internal damper motor. Read more, page 22.
Danvent DV Rotary heat exchanger DVC Rotary Heat Exchanger DVC DVC is a rotary heat exchanger with a high level of efficiency that can also be used to transfer moisture from warm and humid extract air. This type of heat exchanger is one of the most efficient of the various heat exchanger systems. It is also the most compact, due to its short installation length. DVC is available in 4 versions with different maximum efficiencies from 75 to 87% depending on operating conditions.
| Danvent DV Functions Run-around coil heat exchangers DVR Run-around coil heat exchangers DVR DVR is a heat exchanger system where a mixture of water and glycol is circulated between a heating coil in the supply airflow and a cooling coil in the extract airflow. The transfer of heat takes place via a piped circuit that must be fitted after the unit is installed. DVR heat exchangers have an efficiency of up to 70%.
Danvent DV Heat pump DVU-HP Change-over coil DVHK Change over coil DVHK is basically a cooling coil for cold water that can be used also for heating by changing the water temperature from cold to hot depending on the demand. Typically, it is used in connection with heat pumps. The coil is dimensioned in SystemairCAD so it can meet the capacity requirements for both heating and cooling. Read more, page 46.
| Danvent DV Functions Sound attenuator DVD Sound attenuator DVD The DVD is an absorption sound attenuator, fitted with baffles. DVD is used to reduce the sound power level from the air handling unit to the duct system. For environmental reasons, the baffles have a surface lining that effectively prevents the entrainment of the sound-absorbing material. This surface lining comes in two variants: 1. Standard lining, suitable for all forms of comfort ventilation purposes.
Danvent DV Roof unit DV Bitumen roof Roof unit DV Steel profile roof Roof unit DV The DV air handling unit in the sizes 10 to 150 are available as roof units for outdoor installation. In this version the unit is assembled on a base frame and features a roof construction which together with the double sealing of the panels provides protection against the effects of the weather. for fastening and finishing the roofing. This type of roofing is supplied for local assembling on the air hand ling unit.
| Danvent DV • Damper DVA Damper DVA Function Supply or extract air shutoff damper. Air tightness classification Class 3 according to EN 1751:2014. Sealing Rubber sealing strips between the damper blades. Special sealing between frame and damper blades. Blade position indicator Arrow for indication of the blade position. Shafts Damper blades Aerodynamically formed aluminium profiles. Can be supplied as an option: • Insulated • Anodized.
Danvent DV • Damper DVA Damper fitted to the upper part of a double height unit DVA 190-240 Damper fitted to a single height unit DVA 10-150 DVA 190-240 L 35 35 35 H2 35 35 H1: Single height unit H2: Double height unit Dimensions Size 10 15 20 25 30 40 50 60 80 100 120 150 190 240 B 970 1120 1270 1420 1570 1720 2020 2170 2170 2370 2590 2890 3190 3490 H1 520 595 670 745 820 895 1045 1120 1270 1420 1570 1720 2170 2470 H2 970 1120 1270 1420 1570 1
| Danvent DV • Damper DVB Damper DVB Function Extract air shutoff damper. Air tightness classification Class 3 according to EN 1751:2014. Blade position indicator Arrow for indication of the blade position. Shafts 14,3 mm aluminium 16,3 mm aluminium with steel reinforcement Damper blades Aerodynamically formed aluminium profiles. Can be supplied as an option: • Insulated • Anodized. Sealing Rubber sealing strips between the damper blades. Special sealing between frame and damper blades.
Danvent DV • Damper DVB DVB 10-150 DVB 190-240 DVB 10-150 DVB 190-240 L L Dimensions Size 10 15 20 25 30 40 50 60 80 100 120 150 190 240 B 970 1120 1270 1420 1570 1720 2020 2170 2170 2370 2590 2890 3190 3490 H 520 595 670 745 820 895 1045 1120 1270 1420 1570 1720 2170 2470 L 520 520 520 520 520 670 670 670 820 970 970 970 1120 1570 D 500 600 800 900 1100 1200 1500 1600 1700 1800 2000 2300 2600 2800 E 200 200 300 300 300
| Danvent DV • Mixing Damper DVM Mixing Damper DVM Function Supply air shutoff and mixing damper. Air tightness classification Class 3 according to EN 1751:2014. Blade position indicator Arrow for indication of the blade position for each damper. Shafts 14,3 mm aluminium 16,3 mm aluminium with steel reinforcement Damper blades Aerodynamically formed aluminium profiles. Can be supplied as an option: • Insulated • Anodized. Sealing Rubber sealing strips between the damper blades.
Danvent DV • Mixing Damper DVM DVM 10-150 DVM 190-240 DVM 10-150 DVM 190-240 L L Dimensions Size 10 15 20 25 30 40 50 60 80 100 120 150 190 240 B 970 1120 1270 1420 1570 1720 2020 2170 2170 2370 2590 2890 3190 3490 H 520 595 670 745 820 895 1045 1120 1270 1420 1570 1720 2170 2470 L 520 520 520 520 520 670 670 670 820 970 970 970 1120 1570 D 500 600 800 900 1100 1200 1500 1600 1700 1800 2000 2300 2600 2800 E 200 200 300 300
| Danvent DV • Mixing Damper DVP Mixing Damper DVP Function Supply, extract air shutoff and mixing damper. Air tightness classification Class 3 according to EN 1751:2014. Damper blades Aerodynamically formed aluminium profiles. Can be supplied as an option: • Insulated • Anodized. Sealing Rubber sealing strips between the damper blades. Special sealing between frame and damper blades. Transport DV 10 - DV 50: Delivered at full height. Transport height HT minimum = H.
Danvent DV • Mixing DamperDVP DVP 190-240 DVP 10-150 35 35 DVP 10-150 DVP 190-240 35 H H 2 35 35 DVP 190 and 240 is divided into two sections at delivery.
| Danvent DV • Compact Filter DVG Compact Filter DVG Function Prefilter. DVG 10-240. Filter surface area Large surface area due to the pleated filter form. Filter classification G4 according to EN 779:2012. Filter frame Framework encasing the filter with U-profiles. Filter material Synthetic polyester fibres. Accessories U-tube manometer.
Danvent DV • Compact Filter DVG Filter fitted to a single height unit. Filter fitted to the upper part of a double height unit.
| Danvent DV • Bag Filter DVF Bag Filter DVF Function Prefilter, medium or fine filter. Filter classification G4, M5, M6, F7, F8, F9 and F7 CityFlo according to EN 779:2012. Filter material G4: Synthetic material. M5, M6, F7, F8 F9: Glass fibre material. F7 City-Flo glass fibre and coal with a wide spectrum. Filter frame The filter cells are supplied with 25 mm standard plastic frame. Therefore, used filters can be disposed of in their entirety by combustion. DVF 40 is supplied only with steel frame.
Danvent DV • Bag Filter DVF Filter fitted to a single height unit. DVF 190-240 DVF 10-240 H1: Single height unit H2: Double height unit L1: G4, M5, F7, F9 L2: F7L, F9L DVF 190-240 With inspection section for filter change on the dirty side.
| Danvent DV • Rotary Heat Exchanger DVC Rotary Heat Exchanger DVC Function Regenerative heat exchanger with high efficiency. Versions DVC are available in 4 versions: •1 ,9 mm – low pressure drop = standard efficiency ,7 mm – normal pressure drop •1 = normal efficiency •1 ,5 mm – medium high pressure drop = medium high efficiency •1 ,4 mm – high pressure drop = high efficiency Variants DVC are available in 3 variants: Standard, enthalpy and sorption heat exchanger.
Danvent DV • Rotary Heat Exchanger DVC Direction variants Function The heat exchanger has a built-in electronic control unit and a slow rotating motor. This makes up a complete drive system for stepless regulation of the heat exchanger speed. The control system is delivered with fully assembled cable connections between the control unit and motor. Mains connection 1 x 230 V, 50/60 Hz. Alarm connections Built-in relay for connection to an alarm system.
| Danvent DV • Rotary Heat Exchanger DVC Rotary Heat Exchanger DVC DVC 10-50 ' DVC 60-150 DVC 190-240 L D, D1 D1 H C B C D1: Divided version.
Danvent DV • Rotary Heat Exchanger DVC DVC 60-240 Heat exchanger supplied in divided version. Transport height HT for heat exchangers supplied in divided version.
| Danvent DV • Plate Heat Exchanger DVQ Plate Heat Exchanger DVQ Function Recuperative plate heat exchanger with high efficiency. Variants The versions are available in 2 variants: Application The plate heat exchanger is used where there are special requirements for separation of the two airflows, e.g. in order to avoid transfer of odours to the supply air. A – Aluminium heat exchanger Version S, H and C is used in ventilation plants where the air does not contain corrosive elements, e.g.
Danvent DV • Plate Heat Exchanger DVQ Version S and H Version C Air direction variants Extract air, diagonal up-flow * DVQ-S and -H Air direction variants Extract air, diagonal down-flow DVQ-S, -H and -C Outdoor air Extract air Exhaust air Supply air Exhaust air Supply air Outdoor air Extract air DVQ-S and -H DVQ-S and -H Extract air Supply air Outdoor air Exhaust air Outdoor air Exhaust air Extract air Supply air * Air directions with up-flow extract air (3 and 4) should only be used
| Danvent DV • Plate Heat Exchanger DVQ Plate Heat Exchanger DVQ DVQ-S 10-50 1 2 3 4 6 DVQ-H 10-50 1 5 2 3 6 5 DVQ-C 10-50 DVQ-H 60 4 1. 2. 3. 4. 5. 6.
Danvent DV • Plate Heat Exchanger DVQ DVQ-S 60-80, DVQ-H 80 DVQ-S 100-150, DVQ-H 100-150 Dimensions Size 10 15 20 25 30 40 50 60 80 100 120 150 B 970 1120 1270 1420 1570 1720 2020 2170 2170 2370 2590 2890 H 970 1120 1270 1420 1570 1720 2020 2240 2540 2840 3140 3440 L vers. S 1050 1200 1200 1500 1500 1650 1650 2020 2020 2320 2620 3070 L vers. H 1420 1720 1820 2170 2320 2320 2840 3290 2470 2470 3220 3220 L vers.
| Danvent DV • Run-around Coil Heat Exchangers DVR Run-around Coil Heat Exchangers DVR –C opper tubes ø10 mm. Used for lower capacity heat exchangers. Drip tray The extract air section is fitted with a drip tray for collection of condensed water. The drip tray drain outlet must be fitted with a water trap that is designed for the actual pressure difference. Refer to the assembly instructions. opper tubes ø15 mm. –C Used for higher capacity heat exchangers.
Danvent DV • Run-around Coil Heat Exchangers DVR Inlet Outlet Standard DVR 10-150 Standard DVR 10-150 RG – Drain connection, extract air MAX DVR 10-150 MAX DVR 10-150 Drain connection extract air Standard DVR 190-240 RG – Drain connection, extract air Dimensions Size 10 15 B 970 H 520 Supply air L* Extract air L* RG 20 25 30 40 50 60 80 100 120 150 190 240 1120 1270 595 670 1420 1570 1720 2020 2170 2170 2370 2590 2890 3190 3490 745 820 895 1045 1120 1270 14
| Danvent DV • Heating Coil DVH Heating Coil DVH Function Air heater Heating media W–H ot water. Max. temperature 100 °C, max. working pressure 10 Bar. Available for temperatures up to 130 °C. ondensation of refrigerant. C–C Max. working pressure depending on the type of refrigerant. E – Electrical heating. Variants Standard – Heating coil completely built into the unit. MAX eating coil which is –H wider than the unit. Hot water and conden sation coils only. DVH 10-150.
Danvent DV • Heating Coil DVH Standard DVH 10-150 Standard DVH 10-150 MAX DVHMAX 10-150 DVH 10-150 Standard DVH 190-240 Pipe connections Inlet Outlet Hot water Condensation Dimensions Size 10 15 20 25 30 40 50 60 80 100 120 150 190 240 B 970 1120 1270 1420 1570 1720 2020 2170 2170 2370 2590 2890 3190 3490 H1 520 595 670 745 820 895 1045 1120 1270 1420 1570 1720 2170 2470 H2 970 1120 1270 1420 1570 1720 2020 - - - - - - - L* 150 150 150
| Danvent DV • Cooling Coil DVK Cooling Coil DVK Function Air cooler. Cooling media W–C old water. Max. working pressure 10 Bar. D–E vaporation. Max. working pressure depending on the type of refrigerant. Variants Standard – C ooling coil completely built into the unit. MAX ooling coil which is wider –C than the unit. DVK 10-150. Construction Finned coils consist of copper tubes with aluminium fins. Copper tubes Z – Copper tubes ø10 mm. Used for lower capacity cooling coils.
Danvent DV • Cooling Coil DVK Standard DVK 10-150 RG – Drain connection MAX MAX DVK 10-150 10-150 DVK Drain connection Standard DVK 190-240 RG – Drain connection Pipe connections Inlet Outlet Cold water Evaporation Dimensions Size 10 15 20 25 30 40 50 60 80 100 120 150 190 240 B 970 1120 1270 1420 1570 1720 2020 2170 2170 2370 2590 2890 3190 3490 H1 520 595 670 745 820 895 1045 1120 1270 1420 1570 1720 2170 2470 H2 970 1120 1270 1420 1570 1720 2
| Danvent DV • Change-over Coil DVHK Change-over Coil DVHK Function Heating of air with hot water/glycol. Cooling of air with cold water/glycol. Fins Al Alup Heating/cooling media W – Hot/cold water. Max. working pressure 10 Bar. Variants Standard – Cooling coil completely built into the unit. Construction Finned coils consist of copper tubes with aluminium fins. Copper tubes Y – Copper tubes ø15 mm. – Standard aluminium. – Aluminium with a synthetic coating. Used for mildly corrosive air.
Danvent DV • Change-over Coil DVHK Standard DVHK 10-150 RG – Drain connection MAX Standard DVHK190-240 10-150 DVHK RG – Drain connection Pipe connections Inlet Outlet Dimensions Size 10 15 20 25 30 40 50 60 80 100 120 150 190 240 B 970 1120 1270 1420 1570 1720 2020 2170 2170 2370 2590 2890 3190 3490 H1 520 595 670 745 820 895 1045 1120 1270 1420 1570 1720 2170 2470 H2 970 1120 1270 1420 1570 1720 2020 - - - - - - - L 450 450 450 450 450
| Danvent DV • DVU-HP Integrated Reversible Heat Pump DVU-HP Function The DVU-HP is an integrated heat pump system built into a unit section. The system consists of a reversible heat pump and a rotary heat exchanger that enables both heating and cooling. The DVU-HP can be supplied for Danvent DV 10 to 80. Ready for operation at delivery DVU-HP is supplied as a complete unit that is ready for operation immediately after installation, as it is configured and tested from the factory.
Danvent DV • DVU-HP Cooling and heating capacity, example with DV 40 med DVU-HP Heating capacity 140 kW 130 kW Cooling capacity 80 kW DVU-HP heating circuit DVU-HP cooling circuit Rotary heat exchanger Rotary heat exchanger 70 kW 120 kW 110 kW 60 kW 100 kW 90 kW 50 kW 80 kW 70 kW 40 kW 60 kW 30 kW 50 kW 40 kW 20 kW 30 kW 20 kW 10 kW 10 kW -15 °C / 90% RH -10 °C / 85% RH - 5 °C / 80% RH 0 °C / 75% RH 5 °C / 70% RH Outdoor conditions 25 °C / 70% RH 28 °C / 60% RH 31 °C / 50% RH 3
| Danvent DV • Air Humidifier DVX Air Humidifier DVX Function The function is based on the natural process that water evaporates when air passes a wet surface. By uptake of water vapor in the air, the temperature will decrease due to the fact that heat for the evaporation comes from the air. This is an adiabatic cooling, which means that the enthalpy content of the air is unchanged during the process.
Danvent DV • Air Humidifier DVX 5 Operating principles HEF2E (Recirculated water, standard on/off) 5 Humidification element 1 Bleed off Humidification element 2 E Water supply 3 4 8 9 6 C 7 F Water tray G D 5 A 1 2 9 D E 4 7 10 C G 6 B 3 Overflow A Process air B Humidified air C Water supply D Overflow E Constant bleed off F. Draining G. Water outlet to drain 1. Humidification element 2. Droplet eliminator (optional) 3. Water recirculations pump 4.
| Danvent DV • Plug Fan DVE Plug Fan DVE Function Plug fan built into an acoustically insulated air handling unit. Construction Single inlet plug fan with open outlet into the air handling unit. The fan impeller is fitted directly to the motor. The backward curved impeller has low sound power levels in the lower frequencies. Static efficiency up to 75%.
Danvent DV • Plug Fan DVE Balancing The fan is balanced both statically and dynamically. Operating temperatures Temperature range: -10/+40 °C. Airflow calculation The inlet cone is equipped with a measuring nipple. This can be used to determine the current airflow using the k-factor and the formula: V = ∆Pm x k V = Airflow in m3/h ∆Pm = Measured pressure in Pa (according to sketch) K = K-factor for the current fan (according to table).
| Danvent DV • Plug Fan DVE Plug Fan DVE DVE 10-150 H1: Single height unit. H2: Double height unit. DVE-EC Blue.
Danvent DV • Plug Fan DVE Fan fitted to the lower part of a double height unit.
| Danvent DV • Sound Attenuator DVD Sound Attenuator DVD Function Sound attenuator DVD is used to reduce the sound power level from the air handling unit to the duct system. Construction The sound attenuator is an absorption attenuator with baffles. The baffles are surface treated in order to prevent the absorption material fibres from being carried away. Variants 1 – As an option, the air handling unit casing can be delivered with large inspection doors for easy cleaning.
Danvent DV • Sound Attenuator DVD Sound attenuator fitted to a single height unit. DVD 10-150 Sound attenuator fitted to a double height unit.
| Danvent DV • Inspection Section DVI Inspection Section DVI Function DVI is used where the option of service, inspection or measuring is required, before or after an air handling function. Construction Inspection section DVI consists of an empty unit casing with an inspection door. Accessories Inspection window fitted into the access door. Bulkhead lamp with external switch.
Danvent DV • Empty Section DVO Empty Section DVO Function Used in units where space is required to fit a component, e.g. a temperature sensor, or to have the option of applying an extra air handling function at a later date. Accessories Inspection window fitted into the access door. Bulkhead lamp with external switch. Construction Empty section DVO consists of an empty unit casing, where the side panels are assembled with screws.
| Danvent DV • Outdoor Air Section DVY Outdoor Air Section DVY Function Outdoor air section DVY is used for air intake and outlet in roof units for combinations of Danvent DV 10-150. DVY has air intake through the end of the unit, and outlet of exhaust air through the back wall of the unit, opposite the inspection side. Construction Outdoor air section DVY consists of an air handling unit casing with inspection door.
Danvent DV • Supporting Legs • Base Frame DVZ | 61 Supporting Legs 100 Function Units in sizes DV 10-40 for indoor installation can be supplied with supporting legs. Construction Supporting legs are made of sturdy galvanized steel. They are 100 mm high, and have feet which are adjustable from 30-55 mm. Base Frame DVZ Function Units in sizes DV 10-150 for indoor installation can be supplied with base frame in height 150 mm or 250 mm, and have feet which are adjustable from 30-55 mm.
| Danvent DV • Dimensions for Ducts Dimensions for Ducts Double height unit DV 10-150 Dimensions for ducts on the following unit functions: Damper DVA 190-240 See page 20 Mixing damper DVP 190-240 See page 26 Damper DVB See page 22 Fan DVE, outlet on top, 190-240 See page 52 Mixing damper DVM See page 24 DV 10-50 DV 60-150 DV 10-50 DV 60-150 Dimensions for ducts on all other unit functions: Single height unit DV 10-150 Double height unit DV 10-150 Single height unit DV 190-240 Single
Danvent DV • Duct Connection Part DVT | 63 Duct Connection Part DVT Type 3 DVT 10-240 Type 1 DVT 10-150 Rigid connection part for connecting to 20 mm LS profile for C-rail. Rigid connection part for connecting to 30 mm EP/LSM profile with holes in the corners. Type 4 DVT 10-240 Type 2 DVT 10-150 Flexible connection part for connecting to 20 mm LS profile for C-rail. For mounting in continuation of rigid connection part.
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