The GS-Series filtration fume cupboards represent the most comprehensive and advanced range of safety cabinets to protect laboratory personnel and the environment from toxic chemicals released during handling of harmful chemicals within laboratory applications. Thanks to the its own embedded filtration system allows the protection of personnel without the need of any complex ventilation system and energy wasting for air renewal. It can equip one or more activated carbon filters for vapors retention or absolute filters for particles (HEPA H14 or ULPA U17). Combination of different types of filters can be equipped as well,  in order to enanche the retention capability in accordance to user’s needs. In compliance with BS and EN Standards and international health & safety regulations.

It features:

• High containment factor ensured by an especially designed aerodynamic, tested to EN14175-3 and EN14175-6 at 0.3m7s and 0.5m/s face velocity from authorized body
• High efficient activated carbon filtration system, BS7989:2001 certified with specific tests against isopropyl alcool, ammonia, sulphur dioxide and formaldehyde showing a 99% filtration efficiency
• Absolute particles filter availability HEPA classe H14 (99.995% @ 0,3 µm-Rif. EN1822:2009)
• Pre-filtration through dust-prefilter M6 class to prevent premature saturation of the main filters
• Air-tight plenum that guarantees zero leakages
• Counterweighted sliding front and lateral panels made with laminated safety glass (3+3 PVB) that ensure high chemical resistance and durability
• Variable speed embedded fan according to frontal sash position (VAV system – variable air volume)
• Internal IP65 lighting wiith 1000lux capability
• Four sizes availability: 1000/1200/1500/1800 mm widths

Functional flexibility

The whole GS-Series fume cupboard range can work within three different modes:

• R-MODE: 100% recycle mode. The fume cupboard is equipped with filtration system and fan and recycle lab-air without affectin the ventilation system of the lab
• FE S/M-MODE: filtration+exhaust mode with embedded fan. The fume cupboard is equipped with filtration system and fan and works exhausting the air thorugh a duct collard in a exhausting-pipe using on-board fan but keeping at the same time the filtration system on board. This solution simplifies the installazion of the unit as no remote-fan is required.
• FE C/M-MODE: filtration+exhaust mode with remote fan. The fume cupboard is equipped with filtration system and works exhausting the air thorugh a duct collard in a exhausting-pipe using a frequency-conveter-controlled fan but keeping at the same time the filtration system on board. This solution allow to fit installation-sites where long-exhausting pipes are present. According to exhaust-system layout the fume cupboard can even be equipepd with a parzialization valve.

Hybrid solution are even available such as the connection of the fume cupboard to an exhasting system using a thimble and secondary remote blower.

CE marking

• 2006/42/UE Machinery Directive
• 2014/35/UE Low Voltage Directive (50-1000 V)
• 2014/30/UE Electromagnetic Compatibility Directive
• 2011/65/UE ROHS Directive

According to following standards:

• EN 61010-1: 2013: Safety requirements for electrical equipment for measurement, control and laboratory use (classification CEI 66.5)

The GS-Series is available in two versions:

• STANDARD: equipped with a continuous fan-speed change triggered by sliding sash movement (VAV: variable air volume), electronic control system TIMELOG that through a touch screen display allows the reading and setting of fume cupboard functions.
• BASE: equipped with automatic variation on three steps of pre-settable speed of embedded fan in accordance with the opening of the sliding glass, visual low air-flow alarm (risk of loss of containment) and device hour counter for the management of the maintenance scheduled actions.

The control panel of the fume cupboard (TIMELOG) allow a real-time showing of  main functional parameters such as:

• air face velocity and exhausting flow rate
• residual time to next filter or prefilter replacement/control (two different timers)
• working opening height
• air temperature
• warming-up cycle with self-testing routint of the prefilter saturation level

The TIMELOG allow the showing of the following alarms:

• air face velocity below the safety-threshold
• working opening height above maximum
• air-temperature beyond maximum level for a good absorption capacity
• expired filter/prefilter estimated lifetime

STANDARDS

The whole range of filtration fume cupboard GS-Series has been designed, manufactured and certified following the prescriptions of the best international standards:

• BS7258:1994 – Laboratory fume cupboards: specification for safety and performance
  Containment and face air-velocity test
• BS7989:2001 – Specification for recirculatory filtration fume cupboards
  Retention capacity and efficiency test of the activated carbon filtration system installed on a recirculating fume cupboard. The reference chemicals used within this standard are: isopropyl alcohol, ammonia, formaldehyde and sulfur dioxide
• ANSI/ASHRAE110:1995 – Method of Testing Performance of Laboratory Fume Hoods
  Containment and face air-velocity test
• DIN 12924
  Containment test with use of SF6 tracer gas
• EN14175-2: 2003: Fume cupboards: safety and performance requirement
  design specifications such as to ensure proper operation and adequate worker safety
• EN14175-3: 2006: Fume cupboards: type test methods
  Containment test with use of SF6 tracer gas at fixed working opening
• EN14175-6: 2019: Fume cupboards: type test methods
  Containment test with use of SF6 tracer gas at variable air volume condition

CONSTRUCTION

• RAL 7035 coloured epoxy-powder coated rolled steel frame (stainless steel AISI304 frame availability)
• RAL7015 coloured epoxy-powder coated aluminium aerodynamic shaped uprights
• Internal back and soffit baffle made in HPL antiacid laminate
• AISI304 stainless steel worktop (stainless steel AISI316 availability)
• Frontal counterweighted sliding sash with double-rope suspension made with 3+3 PVB safety glass
• Lateral panel made with 3+3 PVB safety glass
• Electrical system IP44 with magneto-thermic switch protection
• Embedded fan electronically controlled
• GS1000/GS1200: power supply 220V-50Hz-450W
• GS1500/GS1800: power supply 220V-50Hz-560W
• Exhausting system connection through 250mm diameter manifold

ACCESSORIES

• Epoxy/polyester coated base-stand with or without under-bench key-loched storage cabinet
• Pivoting wheels kit for base-stand
• Ventilation system for under-bench storage cabinet
• Anti-vibration base-stand for high-precision weighting
• Air-flow stand-by for high precision weighting
• Polypropylene worktop or monolithic ceramic stonewear worktop
• Custom stainless steel worktop for specific application
• Sinks and drip-cups
• Electrical sockets
• Gas & Water services with remote control
• Delivery & Waste fluid system
• UV-Light removable system for internal chamber sterilization. Sterilization-cycle management directly available on the TIMELOG system

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