EWI - Disposable insulator
Single-use technology
OEB Level 5

EWI - Disposable insulator

Single-use technology
OEB Level 5

Description

Safe and contamination-free dosing, sampling, decanting and weighing of small quantities of highly active or highly hazardous substances are just a small selection of customer-specific operations that can be realised with the disposable isolator (EWI) from HECHT. The EWI is a completely enclosed film system that can be operated using gloves. It protects people and/or products by using a flexible film and various customised connection adapters for a wide variety of containers (drums, bags or cartons, etc.). There is no need for time-consuming cleaning and cleaning validation. Depending on the application, the number of ports for infeed and outfeed as well as the gloves for operation or connections to dryers, mixers, granulators, etc. are individually determined according to customer-specific requirements. are determined individually according to customer-specific requirements.

A special option of the EWI is its patent-pending weighing system. The active weighing technology is located outside the isolator and is therefore not contaminated. Only a weighing pan is located inside. A wide variety of bulk materials can be weighed to an accuracy of 2g.

Customer benefits

Safety and security

  • Primary containment through the protective film
  • Safe filling of small quantities and weighing
  • Operator and product protection through negative and positive pressure
  • Leak test for each film insulator
  • High containment OEL: up to 1µg/m³ (OEB5) - in the laminar flow cabin: up to 200 ng/m³ (OEB6)
  • No cross-contamination

Cost savings

  • Lower purchase and maintenance costs
  • Lower cleaning costs
  • No costs for cleaning validation
  • Short changeover times
  •  

Flexibility

  • Can be customised to different containers and tasks
  • Process control can be adapted to OEL requirements
  • Optional inertisation
  • Mobile, location-independent area of application
  • Quick product change due to disposable technology, short set-up times
  • Various containers with liner can be used
  • Different film insulators can be varied within one frame

Containment level

OEB Level 5
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Technical description

  • System consists of a fixed and a flexible part
  • Fixed part: stainless steel frame with work surface, suction and holder for disposable foil isolator
  • Control system adaptable to customer-specific OEL requirements: from simple ventilation to negative pressure operation with or without inertisation
  • EWI enables various processes, various port designs for customised manipulations (e.g. magnetic stirrers, weighing systems, power/air supply)
  • The number and type of inputs/outputs and gloves are variable depending on the process requirements
  • Flexible part: disposable foil insulator (PE, PU, also conductive) is quickly hooked into the frame
  • Different versions of the disposable foil isolator possible, all parts in contact with the product fulfil pharmaceutical and food-relevant requirements
  • Product handling takes place via gloves in the disposable film isolator
  • Disposable film isolator is hooked in, connections connected, pneumatic roll-out seals or vacuum plate fix it in place
  • Packs are inserted or connected to the connection port, outer liner is fixed to the connection port
  • Material is removed and processed via gloves, the container and isolator remain closed
  • After processing, containers are removed after double setting and separation of the film, both remain closed
  • Disposable film insulator can be quickly replaced and disposed of, no cleaning/decontamination required
  • EWI is suitable for handling bulk goods from small containers with one or two liners
  • Station is flexible, transportable (optionally on castors), requires only electricity (230V) and compressed air (6 bar)

Advantages

  • System consists of a fixed and a flexible part
  • Fixed part: stainless steel frame with work surface, suction and holder for disposable foil isolator
  • Control system adaptable to customer-specific OEL requirements: from simple ventilation to negative pressure operation with or without inertisation
  • EWI enables various processes, various port designs for customised manipulations (e.g. magnetic stirrers, weighing systems, power/air supply)
  • The number and type of inputs/outputs and gloves are variable depending on the process requirements
  • Flexible part: disposable foil insulator (PE, PU, also conductive) is quickly hooked into the frame
  • Different versions of the disposable foil isolator possible, all parts in contact with the product fulfil pharmaceutical and food-relevant requirements
  • Product handling takes place via gloves in the disposable film isolator
  • Disposable film isolator is hooked in, connections connected, pneumatic roll-out seals or vacuum plate fix it in place
  • Packs are inserted or connected to the connection port, outer liner is fixed to the connection port
  • Material is removed and processed via gloves, the container and isolator remain closed
  • After processing, containers are removed after double setting and separation of the film, both remain closed
  • Disposable film insulator can be quickly replaced and disposed of, no cleaning/decontamination required
  • EWI is suitable for handling bulk goods from small containers with one or two liners
  • Station is flexible, transportable (optionally on castors), requires only electricity (230V) and compressed air (6 bar)

Application and industry context

  • System consists of a fixed and a flexible part
  • Fixed part: stainless steel frame with work surface, suction and holder for disposable foil isolator
  • Control system adaptable to customer-specific OEL requirements: from simple ventilation to negative pressure operation with or without inertisation
  • EWI enables various processes, various port designs for customised manipulations (e.g. magnetic stirrers, weighing systems, power/air supply)
  • The number and type of inputs/outputs and gloves are variable depending on the process requirements
  • Flexible part: disposable foil insulator (PE, PU, also conductive) is quickly hooked into the frame
  • Different versions of the disposable foil isolator possible, all parts in contact with the product fulfil pharmaceutical and food-relevant requirements
  • Product handling takes place via gloves in the disposable film isolator
  • Disposable film isolator is hooked in, connections connected, pneumatic roll-out seals or vacuum plate fix it in place
  • Packs are inserted or connected to the connection port, outer liner is fixed to the connection port
  • Material is removed and processed via gloves, the container and isolator remain closed
  • After processing, containers are removed after double setting and separation of the film, both remain closed
  • Disposable film insulator can be quickly replaced and disposed of, no cleaning/decontamination required
  • EWI is suitable for handling bulk goods from small containers with one or two liners
  • Station is flexible, transportable (optionally on castors), requires only electricity (230V) and compressed air (6 bar)

Key features

  • System consists of a fixed and a flexible part
  • Fixed part: stainless steel frame with work surface, suction and holder for disposable foil isolator
  • Control system adaptable to customer-specific OEL requirements: from simple ventilation to negative pressure operation with or without inertisation
  • EWI enables various processes, various port designs for customised manipulations (e.g. magnetic stirrers, weighing systems, power/air supply)
  • The number and type of inputs/outputs and gloves are variable depending on the process requirements
  • Flexible part: disposable foil insulator (PE, PU, also conductive) is quickly hooked into the frame
  • Different versions of the disposable foil isolator possible, all parts in contact with the product fulfil pharmaceutical and food-relevant requirements
  • Product handling takes place via gloves in the disposable film isolator
  • Disposable film isolator is hooked in, connections connected, pneumatic roll-out seals or vacuum plate fix it in place
  • Packs are inserted or connected to the connection port, outer liner is fixed to the connection port
  • Material is removed and processed via gloves, the container and isolator remain closed
  • After processing, containers are removed after double setting and separation of the film, both remain closed
  • Disposable film insulator can be quickly replaced and disposed of, no cleaning/decontamination required
  • EWI is suitable for handling bulk goods from small containers with one or two liners
  • Station is flexible, transportable (optionally on castors), requires only electricity (230V) and compressed air (6 bar)
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