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Category Archive for ‘Products’

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Central Vacuum Cleaning Systems

With all the best effort in keeping housekeeping by means of system and process design, sometimes due to operations requirements, a clean work place may be difficult.

This can be caused by rigorous cleaning required after every batch / recipe to ensure no cross contamination. The side effect of this operation requirement is that (fine) dust might escape the system and start to build up in the workplace.

To ensure constant hygiene and minimal dust build up (especially with hazardous dusts), a central vacuum cleaning system is normally designed and put in place.

A proper central vacuum cleaning (CVC) system takes into consideration the dust loading, number of suction points active at one time etc. while also considering the locations of the dust collector, hazardous dust implications and so on.

Please contact us for a no obligation discussions on how we can assist with maintaining your site housekeeping to the highest standard by installing a CVC system.

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Vibrator

Fresco stock a range of electric vibratory motors suitable for the fluidising or densifying of products.

All have adjustable duel counter weights for force adjustment. Two, four, six and eight pole units ensure there is a frequency suitable for your application.

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Stainless Flexible Connector

Connection of pneumatic conveying lines to weigh hoppers / bins, is done by the use of the stainless steel flexible connectors.

Outlasting all other flexible connectors the interlocked sealed flexible tube provides the movement necessary to prevent weighing system errors without leaking powders into the environment.

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Sight Glass

Direct coupled in-line polycarbonate conveying tube sight glasses providing a 360° full-view window to observe material flow in pneumatic conveying lines.

Suitable for both vacuum and pressure conveying systems the sight glasses are available in all standard conveying tube sizes.

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Long Radium Bends

Long radius conveying tube and pipe bends are available in stainless steel, carbon steel or aluminum in sizes ranging from 38mm to 355mm in various thicknesses and radius’s from 300mm to 1,800mm.

Standard bend angles include 15°, 30°, 45°, 60° and 90° with other angles manufactured on request.

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Loadcell

Weighing solutions are a major part of process systems and Fresco has designed solutions from small 5kg high accuracy weigh hoppers to large 150tonne silos.

With loadcell capacity and type selected to suit the application Fresco incorporates overturning restraints, load levelers, lightning conductors, overload stops etc into the design of the mounting system. Standard loadcell types include single point, shear beam, compression, tension and S type suitable for weight hoppers, tanks, silos, platform scales etc.

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Level Indicator

Types of level indicators are as varied as the materials they detect.

Whether used to detect high, medium or low levels in bins, hoppers or silos Fresco has a level indicator to suit your application.

  • Rotary level indicators
  • Proven reliability with prolonged motor life
  • 
Minimal motor burnout due to unique slip clutch & de-energising status
  • Interchangeable with other manufactures
  • Large range of paddle accessories to suit mounting and product variances
  • Capacitance level indicators
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No moving parts
  • Ignores material buildup
  • ‘Quick set’ calibration
  • Visual status on probe
  • Genuine fail-safe integrity
  • 
• Multiple power supply capacities
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Compression Couplings

Compression couplings are used to join conveying tube and bends.

They offer easy installation and secure joints by mechanically locking the tube.

The couplings come complete with white nitrile rubber gasket and stainless steel earth strap. Sizes range from 38mm to 355mm diameter and can be supplied in stainless steel or carbon steel.

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Air Fluidiser

Air Fluidisers promote the flow of product from bins, hoppers and silos by breaking the product cohesive shear between the particles and the vessel wall.

This is achieved by short blasts of air that lifts the special pad boot, sending a jet of air along the vessel wall at the same time as vibrating the pad boot, releasing the most difficult of products.

Simple installation allows for ease of retrofitting to new or existing vessels. Multiple or single units fitted in rings around the cone connected via a ring main of pneumatic tubing, activated by solenoid valves covers most hopper designs. Unlike other pads’ minimal air consumption is achieved by pulsing the fluidisers in short bursts.

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Pneumatic conveying – vacuum

Vacuum conveying is often a low cost method of pneumatic conveying where product can be conveyed up to 60m at rates up to 15tph.

It is ideally suited to the loading of extruder hoppers or direct loading of blenders or other such vessels.

The receiving vessel is put under vacuum and the product metered into the conveying line at a rate suitable to the conveying velocity and at the desired air to product ratio. 

Filters fitted to the receiving vessel or a stand alone filter separate the product from the conveying air prior to the air passing through the vacuum source.

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