High Vacuum Unit Type HFU/HFU-F

High Vacuum Unit HFU/HFU-F - technical specifications and features

The HFU is a complete high-vacuum unit for continuous operation, with a side channel blower acting as a vacuum pump and a filter with compressed air automatic cleaning for uninterrupted operation. Available in 5 different sizes to cover the needs of small workshops to large production plants.

Key technical indicators

• Airflow: up to 1 100 m³/h (5 sizes)
• Vacuum: up to 38 000 Pa
• Filtripind: 13 m²
• Filter cleaning: automatic, compressed air, timer function
• Dust capacity: standard + available 70L bag holder
• Dust class: M

Main features of the device

• Complete high-vacuum unit - Suitable as a mobile cleaning unit or as part of a stationary system.
• Robust transport base - forklift pockets, the device moves to where it is needed.
• Visual differential pressure check - real-time monitoring of filter status
• Quicklock dust collector system - quick changeover during production
• Side channel blower in silencing cabinet - on vibration dampers, cooling air through cooling fins
• HFU-F Plug & Play - built-in frequency converter and motor thermal protection, easy installation
• Filter exchange from the side - convenient maintenance without moving the device
• External site - available in hot dip galvanized enamelled steel plate version
• ATEX version - Explosion risk zones (see brochure)

Accessories and accessories

• Filter control type ECO-S - Differential pressure control with automatic after-cleaning.
• 70L dust container bag holder
• ½” pressure regulator with pressure gauge and pressure regulator valve
• Various high-pressure piping elements, fittings and connections for the construction of centralised systems.
• Slide and butterfly valves for actuating suction with microswitch
• Control and system monitoring modules
• Suction cups, suction strainers, plastic adapters, hoses and cleaning equipment

Applications

The Gram Clean Air HFU/HFU-F high vacuum unit is particularly suitable for:

• For the capture of dust from hand grinding in wood, metal and composites applications
• Central vacuum cleaning system as a high-vacuum unit in a multi-workplace production plant
• For the removal of fine dust from drilling, milling and cutting operations
• As a cleaning device for the maintenance of production areas and machines

Frequently asked questions

What is the difference between HFU and HFU-F?

The HFU is a basic model with compressed air filter cleaning and side channel cleaning. The HFU-F is a Plug & Play version, with the addition of a built-in frequency converter and motor thermal protection - ideal where minimum installation time and more precise control of energy consumption are required.

Can the device be used with multiple workstations at the same time?

Yes - with Gram Clean Air high pressure ducting elements and automatic valve automation, one HFU unit can service multiple workstations. The flaps open automatically when the active tool is started, the unit runs only for the required time.

What size HFU is right for my production?

Elister's team can help you choose the right size of equipment for the number of work points, the type of tools used and the amount of dust. Contact us for a consultation.

Where to get spare parts and maintenance?

Elister is the official representative of Gram Clean Air in Estonia and offers warranty and maintenance service, spare parts and technical support. All spare parts are quickly available directly from the manufacturer.