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Introducing Tank Blanketing

Introducing Tank Blanketing

2/2 way Bellow Control Valve

In this specialist informative guide we take a look at the 2/2 way Bellow Control Valve and its suitability for fermentation tank blanketing solutions, read on to find out more about the application and the valve...

Fermentation tank blanketing

Fermentation tank blanketing

The hygienic control valve system below demonstrated its all-time high safety values in tank blanketing. The system itself builds upon two hygienic control valves of Type 2380. These compact, lightweight and CIP/SIP-capable valves are suitable for virtually any pressure, low-flow and filling control application in hygienic environments, where they also introduce new levels of precious productivity and quality.

hygienic control valve system

  • For neutral and aggressive media
  • Media separation by PTFE bellow
  • Hygienic design

Control Valve

Function Diagram

Fluidic applications carried out in
tanks – like fermentation or storage –
often require the precious media
to be protected from reacting with air,
oxygen and other ingress.

A pressurised inert gas layer above
the media serves to maintain a
stable chemical balance.
This process is known as tank
blanketing and commonly utilised in
pharmaceutical and biotechnology
industries.

Building upon the new hygienic control valve Type 2380, a truly robust system is in charge of increasing safety levels in tank blanketing and many more demanding applications.

Although a seemingly simple process on the surface, the strict requirements with respect to cleanability and cross-contamination prevention – mandated by the highly regulated pharma and biotechnology industries – introduce a new level of complexity to this application.

Standard off-the-shelf components typically used for tank blanketing inherently cause issues with cleanability, are highly susceptible to contamination and can result in risk issues and erratic failure rates due to naturally acidic carbon dioxide or other aggressive foam upon exhausting. They are simply not fit-for-purpose.

Downtimes, maintenance costs and compromise of product quality are all risks introduced by utilising the common standard solenoid components. Liberating pharma and biotech manufacturers from these heavy drawbacks, This hygienic control valve system is in full charge of rapidly increasing safety for tank blanketing and virtually any pressure, flow and filling control applications in clean environments.

Line Break

The bellow control valve is a pneumatically operated process valve with a single-acting diaphragm actuator. A PTFE bellow ensures the separation between medium and actuator. The materials used and the design of the media space allow the use under hygienic or aggressive conditions. It has good cleanability. The combination with a controller (Type 869x) and the control cone integrated into the bellow enable the valve to handle demanding control tasks

pneumatically operated control valve

The space-saving actuator with low
internal volume not only results in a
very compact size but also in
remarkably low response times. The
valve is characterized by a good
control performance due to the low-
friction design and has a linear
characteristic. A certain variety of
body and block system solutions are
deliverable.

Main fields of application:

  • Food & Beverage industry
  • Pharmaceutical &
    Biopharmaceutical industry
  • Cosmetic industry

Positioner TopControl Basic Type 8696

Positioner TopControl Basic Type 8694

Positioner TopControl Basic
Type 8696

Features:

  • Hygienic stainless steel design
    according to EHEDG guidelines
  • Contact and wearless analogue
    position sensor
  • Universal positioning system for
    single and double-acting actuators
  • Simple design
  • Simple and safe start-up by teach
    function
  • High plant availability through
    increased drive life by spring
    chamber ventilation
  • Little space requirement in the plant
    piping

Positioner TopControl Basic Type 8694

Features:

  • Hygienic stainless steel design
    according to EHEDG guidelines
  • Contact and wearless analogue
    position sensor
  • Universal positioning system for
    single and double-acting actuators
  • AS-Interface Field bus
    communication
  • Simple design
  • Simple and safe start-up by teach
    function
  • High plant availability through
    increased drive life by spring
    chamber ventilation
  • Little space requirement in the
    plant piping

Positioner TopControl Type 8692

Positioner & Process Controller TopControl Type 8693

Positioner TopControl Type
8692

Features:

  • Hygienic stainless steel design
    according to EHEDG guidelines
  • Contact and wearless analogue
    position sensor
  • Universal positioning system for
    single and double-acting actuators
  • Highly dynamic positioning system
    without internal control air
    consumption
  • Integrated diagnostic functions for
    valve monitoring
  • Ensuring failure of the electrical or
    pneumatic power supply
  • Profibus DPV1 or DeviceNet Field
    bus communication (optional)

Positioner & Process
Controller TopControl Type
8693

Features:

  • Hygienic stainless steel design
    according to EHEDG guidelines
  • Contact and wearless analogue
    position sensor
  • Universal positioning system for
    single and double-acting actuators
  • Highly dynamic positioning system
    without internal control air
    consumption
  • Integrated diagnostic functions for
    valve monitoring
  • Ensuring failure of the electrical or
    pneumatic power supply
  • Profibus DPV1 or DeviceNet Field
    bus communication (optional)

Please contact our technical sales team with your requirements and projects for quality and competitive solutions.

Email: sales@valvesonline.co.uk

Phone: 01822 855600

If any of your details have changed, please let us know, so we can keep our records up to date.