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EQUIPMENT
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I.T.I.V. Technology

We are a company specializing in the design, construction and installation of equipment and complete systems for the chemical, pharmaceutical and food industries.

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Agitators with TAA seal

Agitation units with dry PTFE ring mechanical seal for glass reactors.

The agitation unit, based on TAA mechanical seal and also available in ATEX execution, is mainly used on glass reactors operating under vacuum or up to a maximum pressure of 0.5 bar, at a maximum temperature of 185°C achievable in the flushed and cooled seal version.

The seal consists of an aluminium “anti-corrosive” or stainless-steel carrying lantern with the bearings guide and a PTFE box containing the seal rings. The parts in contact with the process are coated with PTFE and the connection can be mounted on glass necks with ITIV / Schott / QVF DN25÷80 flange type and available in 4 models depending on the diameter shaft, which is machined from a hot-dip coated steel bar with virgin or antistatic PTFE.

The motor unit offers a choice between electric variable-speed drives or pneumatic motors depending on the volume to be agitated, while there are multiple options available for impellers of various kinds such as: turbines, Rushton turbine impellers, anchors, semi-anchors, scraping blades – custom which are made based on the process characteristics using PTFE or other compatible materials.

FL-FLH models can optionally be equipped with a flushing barrel for lantern cooling.

  • technical features
  • Models
  • Seal
Agitators with TAA seal

Standard technical features

  • Design pressure: -1 ÷ +0.5 bar
  • Design temperature (inside the seal):
    • -50 ÷ +135°C
    • -50 ÷ +180°C (FL seal)
    • -30 ÷ +200°C (FLH flushed seal)
  • Shaft diameter: 12 / 22 / 30 / 45 mm
  • Reactor nozzle: DN25 ÷ 80
  • Variable-speed drive / pneumatic motor
  • Revolutions per minute: 0/400 rpm depending on the type of agitator and variable-speed drive
  • Wide range of impellers could be also customised
  • Flushing barrel for lantern cooling (optional)
* The features and design conditions indicated refer to standard executions: for customized executions please contact the technical office.
Agitators with TAA seal

Models

  • TAA 12: suitable for reactors with volume 1 ÷ 10lt
  • TAA 22: suitable for reactors with volume 10 ÷ 30lt
  • TAA 30: suitable for reactors with volume 30 ÷ 200lt
  • TAA 45: suitable for reactors with volume 200 ÷ 400lt

 

  • Option / FL: flushed seal for lantern temperature from 135 to 180 °C
  • Option / FLH: flushed seal for lantern temperature from 180 to 200 °C
* The features and design conditions indicated refer to standard executions: for customized executions please contact the technical office.
Agitators with TAA seal

TAA seal assembly drawing

Typical assembly drawing of a TAA mechanical seal with borosilicate glass nozzle flange.

  1. Stainless steel / aluminum stuffin box
  2. Glass filled PTFE 10% seal ring box
  3. PTFE gland seal ring
  4. Glass filled PTFE 10% gland lockout
  5. Stainless steel bearing lockout
  6. Stainless steel shaft lockout
  7. Seal rings MIM
  8. Radial ball bearing
  9. Flange and insert
  10. 1/4” Gas F connections for FL-FLH fluxed models
Model Glass nozzle
DN		 Motor power
kW		 Shaft ø
mm		 Speed
rpm		 Seal
tipe 		N° Tempemperature
probe		 N° PTC
or request
TAA 12 / 25 F / 18 25 0.18 18 0 ÷ 400  D 12 1 2
TAA 22 / 25 / F / 18 25 0.18 22 0 ÷ 400 D 22 1 2
TAA 22 / 40 / F / 37 40 0.37 22 0 ÷ 400 D 22 1 2
TAA 30 / 50 / F / 37 50 0.37 30 0 ÷ 400 D 30 1 2
TAA 30 / 50 / F / 55 50 0.55 30 0 ÷ 400 D 30 1 2
TAA 45 / 80 / F / 55 80 0.55 45 0 ÷ 400 D 45 1 2
TAA 45 / 80 / F / 75 80 0.75 45 0 ÷ 400 D 45 1 2

certifications

CE

Compliance of the equipment with the Machinery Directive 2006/42/EC

ATEX

ATEX compliance with Directive 2014/34/EU for use in potentially explosive atmospheres
Available on request
Agitators with TAA seal

Common sectors and applications

Industries Pharmaceutical industry Chemical industry Food industry Cosmetic industry Plastics Precious metals
Applications Mixing Dissolution Distillation Chemical Synthesis Hydrogenation Oxidation Polymerization
Agitators with TAA seal

HOW CAN WE HELP YOU?

Write to us for general, technical information or pre-screening consultation, or download the product sheet.
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