Type TJN

Acoustically and technically optimised, for installation in walls and on rectangular and circular ducts, adjustable – made of plastic

The new TJN jet nozzle offers improved acoustic properties and is also more energy-efficient

  • Nominal sizes: 160, 200, 250, 315 and 400 mm
  • Volume flow rate range 20 – 1000 l/s or 72 – 3600 m³/h
  • Visible parts made of high-grade polymer in RAL white aluminium or pure white
  • Optimised nozzle contours
  • Discharge angle indication, discharge angle limiting and setting from –30 to +30° on a concealed scale
  • Easy to remove face cover ring with bayonet fixing


Optional equipment and accessories

  • 5 nominal sizes, each with a circular spigot or, as an option, with a connection piece for circular or rectangular ducts
  • Swirl unit with acoustically optimised air control blades with unique saw tooth edges and cap for two-step reduction of the throw distance
  • External electric actuator of compact height
  • Electric actuator allows for integration with the central BMS
  • Internal thermal actuator with shape memory alloy for the self-powered adjustment of the discharge angle
  • All variants also available with outer casing

TJN 00133065_0


  • Application
  • Description

Application

  • Type TJN jet nozzles for supply air discharge, with a long throw distance
  • For production halls, gymnasiums, theatres and conference rooms as well as for large internal spaces in airports, railway stations and shopping centres
  • Attractive design element for building owners and architects with demanding aesthetic requirements
  • For supply air to room air temperature differences from –12 to +20 K
  • Adjustable discharge angle, from –30 to +30°, for switching between heating and cooling mode
  • For push fitting directly onto circular ducts or as a branch off circular or rectangular ducts

Special characteristics

  • Easy to remove face cover ring with bayonet fixing
  • Swirl unit with acoustically optimised air control blades with unique saw tooth edges and cap for two-step reduction of the throw distance
  • Discharge angle indication, discharge angle limiting and setting from –30 to +30° on a concealed scale
  • Electric or thermal actuator as options

Nominal sizes

  • 160, 200, 250, 315, 400 mm

Variants

Connection

  • For circular ducts (direct connection)
  • K: For rectangular ducts
  • R: For circular ducts


Actuator

  • Manual adjustment
  • E*: Electric actuator
  • T1: Thermal actuator

Parts and characteristics

  • Nozzle with acoustically optimised contours and adjustable discharge angle (from –30 to +30°, in increments of 5°)
  • Flange with position indicator (scale) and adjustable end positions, concealed by a face cover ring
  • Spherical nozzle casing with spigot
  • Outer casing (optional)
  • Connection piece for circular and rectangular ducts (optional)
  • Actuator (optional)

Attachments

  • C: Outer casing

Accessories

  • Swirl unit and cap for throw distance reduction

Useful additions

  • TDC temperature difference control module

Construction features

  • Spigot suitable for circular ducts to EN 1506 or EN 13180
  • Spigot with double lip seal

Materials and surfaces

  • Flange, face cover ring, swirl unit and cap made of ABS plastic, UL 94, V-0, flame retardant
  • Spherical nozzle casing made of galvanised sheet steel
  • Connection pieces for circular or rectangular ducts made of galvanised sheet steel
  • Double lip seal made of rubber
  • Exposed surface is pure white, similar to RAL 9010
  • S1: White aluminium, similar to RAL 9006

Standards and guidelines

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

Maintenance

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

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Tel.: +39 029829741 | Fax: +39 029829760