Plenum box shorter than front rail, positioned in centre with one horizontal spigot
New design possibilities with white, grey and black air control blades
Horizontal airflow
Slanted airflow
Vertical airflow

Pureline35

THE CLEAN SOLUTION FOR SIGNIFICANTLY LOWER CEILING CONTAMINATION

Perfectly integrable slot diffuser with sleek appearance – for discreet installation in the suspended ceiling

  • Very high comfort due to lower sound power levels and improved temperature and speed reduction
  • Improved energy efficiency due to lower pressure losses
  • Simple and fast installation – tool-free fastening of the front rail
  • New areas of application – including as air curtains for food counters
  • High flexibility thanks to numerous standard variants


    APPLICATION

    Application
    • Type PURELINE35 slot diffusers are used as supply air or extract air devices in comfort zones
    • Suitable as mixed ventilation system for many applications due to the variety of variants and high flexibility
    • Discreet integration in suspended ceilings
    • For rooms up to approx. 4 m in height (bottom edge of finished ceiling)
    • For suspended ceilings, even with low gaps, due to the low height of the plenum box
    • One-way or alternate air distribution can be adapted to the structural conditions on site
    • High induction causes rapid reduction of temperature difference and airflow velocity (with supply air)
    • For constant and variable volume flow rates
    • For supply air to room air temperature differences of –10 to +10 K

    Special features

    • Uniform air pattern reduces dirt deposits due to induced compartment air on the ceiling
    • Horizontal, slanted or vertical supply air distribution through manually adjustable air control blades
    • Comfortable room climate due to high induction and rapid reduction of temperature differences and airflow velocities
    • High-quality appearance due to surface-treated extruded aluminium sections with anodised or powder coating according to RAL Classic colour scale
    • Face plate optimised for maximum volume flow at low sound power levels
    • Continuous linear arrangement possible for continuous visual appearance

    Nominal sizes

    • LN: 600, 750, 900, 1050, 1200, 1350, 1500, 1650, 1800, 1950 mm
    • Front rail can also be ordered in mm steps, also in intermediate lengths

    DESCRIPTION

    Variants

    • PL35-*: 1 to 4 slots
    • PL35-*-DF: Only front rail with B00 section and spring clip
    • PL35-*-DS: Only front rail with B00 section and screw fixing
    • PL35-*-PB: Only plenum box (for combination with DS)
    • PL35-*-PF: Combination of front rail and plenum box with fixed connection
    • PL35-*-SF: Combination of front rail and plenum box with releasable screw fixing
    • PL35-*-CS: Corner section


    Position of plenum box on the front diffuser

    • Central position of the plenum box
    • Plenum box left (LE)
    • Plenum box right (RI)


    Plenum box variant

    • Symmetrical plenum box with horizontal connection (HS)
    • Symmetrical plenum box with vertical connection (VS)
    • Asymmetrical plenum box with horizontal connection (HA)

    Construction

    Diffuser face finish

    • With anodised finish, E6-C-0, natural colour
    • P1: Powder-coated RAL 9010, pure white, gloss level 50 %
    • P1: Powder-coated RAL 9006, white aluminium, gloss level 30 %
    • P1: Powder-coated in additional RAL CLASSIC colours, gloss level 70 %

    Attachments

    • D: Damper unit for volume flow rate balancing
    • LS: Lip seal
    • L: Internal lining
    • EP: Two end plates
    • EA: Two end angles


    The end plates or end angles of individual devices are already mounted at the factory. Either end plates or end angles can be used as the end piece.

    Accessories

    • EP: Two end plates
    • EA: Two end angles


    For devices that are mounted in a continuous linear arrangement, the end plates or end angles must be ordered separately and installed on site. 2 Alignment plates for connecting the slot diffusers to each other are supplied loose with each slot diffuser without a factory-fitted end piece.

    Construction features

    • Spigot matching round ducting according to EN 1506 or EN 13180
    • 4 suspension points on the plenum box for fixing to be performed by others
    • Manually adjustable air control blades with detent for defined adjustment of the air distribution
    • Factory-set air distribution, manually adjustable on site
    • Spigot with bead for lip seal (only for accessories with lip seal)
    • Front rail available in mm steps between 600 and 1950 mm
    • If the front rail is longer than the plenum box, the protruding areas of the front rail are covered at the rear
    • Plenum boxes only available in nominal lengths
    • Extract air variant with air control blades optionally possible without air control blades (E0)
    • The optionally available neck extension in the standard dimensions 30, 55, 80, 105 and 129 mm can be used to compensate for structural conditions

    Materials and surfaces

    • Face plate made of extruded aluminium section
    • Air control blades made of ABS plastic, to UL94, V-0, flame-retardant
    • Plenum box made of galvanised sheet steel
    • End plates and end angles made of aluminium
    • Lip seal made of Evoprene
    • Lining of mineral wool and closed cell vinyl foam
    • Face plate with anodised finish, E6-C-0, natural colour
    • P1: Powder-coated colour according to RAL Classic
    • Air control blades similar to RAL 9005, black
    • G: Air control blades similar to RAL 9006, grey
    • W: Air control blades similar to RAL 9010, white


    Mineral wool

    • Mineral wool faced with glass fibre fabric on the surfaces in contact with the air, erosion-resistant up to 20 m/s
    • According to EN 13501, material classification A1, non-flammable
    • RAL quality mark RAL-GZ 388
    • Hygienically safe due to high biosolubility, according to TRGS 905 and EU Directive 97/69/EC
    • Inert to the growth of fungus and bacteria

    Standards and guidelines

    • Sound power level of the air-regenerated noise measured according to EN ISO 5135
    • Compliant with VDI 6022

    Maintenance

    • Maintenance-free as construction and materials are not subject to wear
    • Inspection and cleaning according to VDI 6022

    Technische informatie

    FUNCTION, TECHNICAL DATA, QUICK SIZING, SPECIFICATION TEXT, ORDER CODE

    • FUNCTION
    • TECHNICAL DATA
    • QUICK SIZING
    • SPECIFICATION TEXT
    • ORDER CODE
    Schematic illustration of PL35-*-SF

    ① Face plate or front rail, 1, 2, 3 or 4-slot
    ② Adjustable air control element
    ③ Screw fixing
    ⑥ Neck
    ⑦ Plenum box
    ⑧ Suspension lug
    ⑨ Spigot
    Optional
    ④ End plate
    ⑤ End angle
    ⑩ Lip seal
    ⑪ Damper blade for volume flow rate balancing

    Functional description

    Slot diffusers allow the supply air of ventilation and air conditioning systems to flow horizontally, obliquely or vertically into the room.

    The flow takes place with high induction of indoor air and consequently with a rapid reduction of airflow velocity and temperature difference between supply air and indoor air.

    The result is mixed flow air distribution for comfort zones with good room purging and low turbulence levels in the occupied zone.

    Type PURELINE35 slot diffusers are factory fitted with manually adjustable air control elements.

    Different airflow directions allow adaptation to different local conditions at any time.

    Horizontal air distribution takes place with a one-way or alternating flow.

    Heating operation with vertical flow is possible, as is a slanted supply air distribution.

    The supply air to room air temperature difference can be -10 to +10 K.

    A damper unit (optional) enables volume flow rate balancing for commissioning.

    To give rooms an aesthetic, uniform look, PURELINE35 diffusers may also be used for extract air.

    Nominal length

    600 – 1950 mm, in increments of 150 mm

    Number of slots

    1, 2, 3 or 4

    Neck extension0, 30, 55, 80, 105, 129

    Minimum volume flow rate at ∆tz = -10 K

    7 l/s or 24 m³/h

    Maximum volume flow rate, at LWA ≅ 50 dB(A)

    225 l/s or 808 m³/h

    Supply air to room air temperature difference

    –10 to +10 K


    The quick sizing table gives a good overview of the possible volume flow rates and the corresponding sound power levels and differential pressures.

    Sizing with our Easy Product Finder design programme will provide the exact values, taking all parameters into account.

    The quick sizing table with one spigot applies up to 1200 mm, from 1350 mm and larger two spigots are taken into account.





    Slot diffusers of Type PURELINE35 with individually, manually adjustable air control blades and 1, 2, 3 or 4 slots.

    Air distribution optionally horizontal alternating, alternating angled, vertical, one-way horizontal left or one-way horizontal right possible.

    The slot diffusers can be used for supply or extract air and are intended for installation in the suspended ceiling. Ready-to-install component consisting of the face plate with optional black, grey or white air control blades.

    Variants with plenum boxes have 1 or 2 spigots which are arranged horizontally or vertically for symmetrical plenum boxes and horizontally for asymmetrical plenum boxes.

    The plenum boxes all have 4 suspension lugs for suspension.

    The connection between the face plate and plenum box is made as a fixed or detachable connection.

    The spigots are suitable for circular ducts according to EN 1506 or EN 13180. Sound power level of the air-regenerated noise measured according to EN ISO 5135.

    Special features

    • Uniform air pattern reduces dirt deposits due to induced compartment air on the ceiling
    • Horizontal, slanted or vertical supply air distribution through manually adjustable air control blades
    • Comfortable room climate due to high induction and rapid reduction of temperature differences and airflow velocities
    • High-quality appearance due to surface-treated extruded aluminium sections with anodised or powder coating according to RAL Classic colour scale
    • Face plate optimised for maximum volume flow at low sound power levels
    • Continuous linear arrangement possible for continuous visual appearance

    Materials and surfaces

    • Face plate made of extruded aluminium section
    • Air control blades made of ABS plastic, to UL94, V-0, flame-retardant
    • Plenum box made of galvanised sheet steel
    • End plates and end angles made of aluminium
    • Lip seal made of rubber
    • Lining of mineral wool and closed cell vinyl foam
    • Face plate with anodised finish, E6-C-0, natural colour
    • P1: Powder-coated colour according to RAL Classic
    • Air control blades similar to RAL 9005, black
    • G: Air control blades similar to RAL 9006, grey
    • W: Air control blades similar to RAL 9010, white


    Mineral wool

    • Mineral wool faced with glass fibre fabric on the surfaces in contact with the air, erosion-resistant up to 20 m/s
    • According to EN 13501, material classification A1, non-flammable
    • RAL quality mark RAL-GZ 388
    • Hygienically safe due to high biosolubility, according to TRGS 905 and EU Directive 97/69/EC
    • Inert to the growth of fungus and bacteria

    Construction

    Diffuser face finish

    • With anodised finish, E6-C-0, natural colour
    • P1: Powder-coated RAL 9010, pure white, gloss level 50 %
    • P1: Powder-coated RAL 9006, white aluminium, gloss level 30 %
    • P1: Powder-coated in additional RAL CLASSIC colours, gloss level 70 %

    Technical data

    • Nominal lengths: 600 – 1950 mm in steps of 150 mm
    • Number of slots: 1, 2, 3 or 4
    • Minimum volume flow rate at ∆tz = –10 K: 7 l/s or 24 m³/h
    • Maximum volume flow rate, at LWA ≅ 50 dB(A): 225 l/s or 808 m³/h
    • Supply air to room air temperature difference: -10 to +10 K

    Sizing data

    • V _______________________ [m³/h]
    • Δpt _______________________ [Pa]

    Air-regenerated noise

    • LWA _______________________ [dB(A)]

    This specification text describes the general properties of the product. Texts for variants can be generated with our Easy Product Finder design programme.

    Order example: PL35-1-S-PF-HS/1200x1200x98/1

    Number of slots

    1

    System

    Supply air

    Variant

    With fixed connection between plenum box and face plate

    Plenum box variant

    Standard plenum box with horizontal connection

    Nominal size

    Front rail 1200 mm, plenum box 1200 mm, spigot diameter 98 mm

    No. of spigots

    1

    Damper unit for volume flow rate balancing

    Without

    Lip seal

    Without

    Lining

    Without

    Position of plenum box

    Central position

    Air pattern

    Alternating horizontal

    Extended border

    Without

    End pieces

    Without

    Surface

    Anodised, E6-C-0, natural colour

    Colour of air control blades

    black


    Order example: PL35-2-S-SF-HS/1200x1050x123/2-D-LS-L-LE/AS/B00/EA/P1-RAL 9010/W

    Number of slots

    2

    System

    Supply air

    Variant

    With releasable connection between plenum box and front rail

    Plenum box variant

    Standard plenum box

    Nominal size

    Front rail 1200 mm, plenum box 1050 mm, spigot diameter 123 mm

    No. of spigots

    2

    Damper unit for volume flow rate balancing

    With

    Lip seal

    With

    Lining

    With

    Position of plenum box

    Left side

    Air pattern

    Alternating angled

    Extended border

    With

    End pieces

    With end angle

    Surface

    Powder-coated RAL 9010, pure white, gloss level approx. 50 %

    Colour of air control blades

    white


    Order example: PL35-2-E-DF/1200/V/B00/EP/P1-RAL 9006/G

    Number of slots

    2

    System

    Extract air

    Variant

    Diffuser face with extended border and spring clip

    Plenum box variant

    No plenum box

    Nominal size

    Diffuser face 1200 mm

    No. of spigots

    Without

    Damper unit for volume flow rate balancing

    Without

    Lip seal

    Without

    Lining

    Without

    Position of plenum box

    No plenum box

    Air pattern

    Vertical

    Extended border

    With extended border

    End pieces

    With end plate

    Surface

    Powder-coated RAL 9006, white aluminium, gloss level approx. 30 %

    Colour of air control blades

    grey


    Order example: PL35-1- -CS/100x100x90

    Number of slots

    1

    Variant

    Corner section

    Dimensions

    Leg dimension E: 100 mm Leg dimension F: 100 mm Angle: 90°

    Extended border

    Without

    Surface

    Anodised, E6-C-0, natural colour

    Colour of air control bladesBlack, similar to RAL 9005


    Order example: PL35-2- -CS/150x250x45/B00/P1-RAL 9016/W

    Number of slots

    2

    Variant

    Corner section

    Dimensions

    Leg dimension E: 150 mm Leg dimension F: 250 mm Angle: 45°

    Extended border

    With

    Surface

    Powder-coated RAL 9016, gloss level 70%

    Colour of air control bladesWhite, similar to RAL 9010

    Variants, Dimensions and weight

    • DIMENSIONS AND WEIGHT
    Asymmetrically positioned plenum box
    End angles on both ends

    Nominal length

    Nominal length L₁
    Nominal length
    		mm

    600

    600

    750

    750

    900

    900

    1050

    1050

    1200

    1200

    1350

    1350

    1500

    1500

    1650

    1650

    1800

    1800

    1950

    1950


    Variant

    Variant With extended border
    Variant P
    Variant mm

    PL35-1

    56

    PL35-2

    82

    PL35-3109
    PL35-4136

    Dimensions [mm]

    No. of spigotsNominal length L₁L₃

    1

    600

    600

    595

    1

    750

    750

    745

    1 or 2

    900

    900

    895

    1 or 2

    1050

    1050

    1045

    1 or 2

    1200

    1200

    1195

    2

    1350

    1350

    1345

    2

    1500

    1500

    1495

    2

    1650

    1650

    1645

    2

    1800

    1800

    1795

    2

    1950

    1950

    1945


    Variant

    VariantB3B3H4H4RAAOO
    Variant HS/HAVSHS/HAVSRHS/HAVSPF-HASF-HA

    PL35-1

    100

    138

    		150150126 + Y1401787264

    PL35-2

    138

    160

    		180150141 + Y1782008375

    PL35-3

    176

    176

    		198150150 + Y2162169486

    PL35-4

    214

    214

    		230150166 + Y25425410697
    Neck extension Y = 0 / 30 / 55 / 80 / 105 / 129


    Variant

    Variant ∅DC

    PL35-1

    98/123

    50/48

    PL35-1

    123/138

    48/42

    PL35-2

    138/158

    42/50

    PL35-2

    158/198

    50/50


    Weights

    VariantNumber of slots
    		kg/m

    Diffuser face

    1-/2-/3-/4-slot

    0,8/1,2/1,6/2,1

    Plenum box HS/HA

    1-/2-/3-/4-slot

    3,3/3,9/4,6/5,2

    Plenum box HS/HA+L

    1-/2-/3-/4-slot

    4,0/4,7/5,5/6,2

    Plenum box VS

    1-/2-/3-/4-slot

    3,7/3,9/4,1/4,3

    Plenum box VS+L

    1-/2-/3-/4-slot

    4,5/4,7/4,9/5,2

    Total weight = weight of diffuser face + weight of plenum box


    Variant

    Variant Without extended border With extended border 
    Variant P
    Variant mm

    PL35-1

    35

    55

    PL35-2

    62

    82

    PL35-389109
    PL35-4116136

    EFW

    Min. entry value

    100

    100

    45°

    Max. entry value

    300

    300

    175°


    Variante

    Variant Without extended border With extended border 
    Variant P
    Variant mm

    PL35-1

    35

    55

    PL35-2

    62

    82

    PL35-389109
    PL35-4116136

    Installation examples, Installation details, Commissioning, Basic information and nomenclature

    • INSTALLATION EXAMPLES
    • INSTALLATION DETAILS
    • COMMISSIONING
    • BASIC INFORMATION AND NOMENCLATURE
    PL35-1/.../B00, installation in continuous ceilings

    Anodised, E6-C-0, natural colour

    PL plenum box, positioned on the left, in the centre, on the right

    Installation and commissioning

    • Preferably for clear room heights up to 4.0 m
    • Flush ceiling installation
    • Duct connection horizontal or vertical
    • For face plates with shorter plenum boxes and non-active diffusers, there is a slot cover on the rear
    • For continuous linear arrangement, connect face plates to one another with alignment plates
    • If necessary, carry out volume flow rate balancing on the damper unit
    • Suitable fixing material for fixing the slot diffusers must be provided by others


    The illustrations are schematic and serve to better understand the installation details.

    Balancering af volumenstrømshastighed 
    Juster luftstrømsaflederens position i spidsområdet, så en skruetrækker kan indsættes
    i dyseområdet, så der kan indsættes en skruetrækker

    Volume flow rate balancing

    If several slot diffusers are assigned to one volume flow controller, it may be necessary to balance the volume flow rates.

    • Slot diffusers with plenum box and damper unit (variant -D): The flow adjustment damper can also be operated when the face plate is mounted.

    Principal dimensions

    ØD [mm]

    Outer diameter of the spigot

    C [mm]

    Length of the spigot

    m [kg]

    Weight

    L₁ [mm]

    Length of front rail

    L₃ [mm]

    Length of plenum box

    P [mm]

    Width of slot section

    H₄ [mm]

    Height of plenum box

    B₃ [mm]

    Width of plenum box


    Nomenclature

    LWA [dB(A)]

    Sound power level of the air-regenerated noise, A-rated

    V [m³/h] and [l/s]

    Volume flow rate

    Δtz [K]

    Supply air to room air temperature difference, supply air temperature minus room temperature

    Δpt [Pa]

    Total differential pressure

    Downloads

    Productinformatie

    • Product data sheet PURELINE35

      PURELINE35_PD_2023_10_05_DE_en Product data sheet 2,3 MB pdf

    • Product data sheet PURELINE35

      PURELINE35_PD_2024_01_22_DE_nl Product Data Sheet 2,3 MB pdf

    Certificaten

    • Declaration of hygiene conformity PURELINE35

      PL35_HC_2024_05_DE_en Hygiene certificate 1,3 MB pdf

    • Environmental Product Declaration Pureline35

      Pureline35_EPD_2024_03_DE_en Environmental Product Declarations 350 KB pdf

    • Non-CE Manufacturer's statement PURELINE35

      PL35_NotCE_2022_02_08_14_37_59_DE_en Certificate 1,4 MB pdf

    Handleidingen

    • Installation manual PURELINE35

      PL35_IM_A00000074951_V2_2024_02_GB_en Installation manual  2,3 MB pdf

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