Volumetric feeders
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Catalog excerpts

Volumetric feeders - 1

Powder Processing Equipment and Systems Precision Feeders High accuracy feeding solutions for industrial processes Volumetric Feeders for bulk materials

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Volumetric feeders - 2

Feeding – At the centre of total process control Proven designs with thousands of running applications. Gericke volumetric feeders are designed for throughputs from 0.05 to 50,000 litres per hour for most dry solids and liquid applications. Gericke’s range of feeders are based upon a robust modular design which are used in almost all processing applications including: - Chemical - Foods - Pharmaceutical - Construction Minerals - Plastics - Detergents Controlled feed into a Gericke continuous mixer Gericke – Feeding of bulk material since 1894. Gericke offer cost effective feeding solutions...

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Volumetric feeders - 3

Modular feeding equipment – designed for process flexibility Volumetric feeding The feed rate is measured by volume against time. A reliable volumetric device is essential for a high accuracy gravimetric weigh feeder. ccurate metering of bulk solids is achieved using a spiral helix, rotary valve, rotating agitator, vibrating tray or cylindrical stator. Even in the volumetric mode, the metering rate remains constant under the condition of a repeatable fill level within of the selected feeding tool and an even bulk density of the powder. Gravimetric Feeding The feedrate or batch weight is...

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Volumetric feeders - 4

The right feeder for each specific application Low cost, efficient feeder Compact feeder with agitator for high accuracy feeding Universal feeder, minimal product retention, used for poor flowing materials Universal Feeder for highest accuracy, homogeneity and distribution of bulk materials Application: Suitable for most dry solids, pilot plants, frequent product changes Application: Medium to high capacity feed rates, hygienic design, difficult products, high feeding accuracy, raisin and fruit feeders, (special applications) Application: Medium to high feed rates, very difficult materials,...

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Volumetric feeders - 5

Technical advantages of Gericke feeders: Robust construction High reliability for long life cycle Hygienic design (in accordance with EHEDG) Large range of feed tool lengths No segregation Large entry section Constant bulk density Crevice free surfaces Continuous welding (option) Range of drive options +/– pressure rated options available VIBRO Vibro feeder for coarse and fragile products Application: Large capacity range, fragile or abrasive products, light and coarse materials, fibres Advantages: No rotating parts, gentle operation, easy cleaning, no component wear Capacity range*:...

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Volumetric feeders - 6

Selecting the correct feeding tool Product Characteristics - free flowing (salt, corn, sugar) - flushing (carbonates, fly ash, gypsum) - Capacity - Operation mode - fluidisable (cocoa) - Pressure rating - adhesive (carbon black, pigments) - Feed distance - abrasive (quartz sand, silicon carbide) - compressible (chalk) - fragile (flakes, instant coffee) Feeding tool selection - Round spiral - Variable pitch - Extended feed tool - Square helix - Full flight screw - Helix with centre shaft and - Vibro feeder Accessories for high feed accuracy consistent product flow repeatable bulk density for...

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Volumetric feeders - 7

Ancillary process equipment Gericke feeders are designed using a modular system customised to the specific requirements of the application. The flexibility of the Gericke equipment range offers simplified system design and greater added value. ■ Special designs for agitators and homogenisers ■ Surface finish and coatings; EGPDFE, Bead blast, electropolished ■ Variable feed tool lengths ■ Shaft seals: stuffing box, PTFE lip seals, air purge glands Type AR vertical outlet connection ■ AR outlet for vertical discharge ■ ARFE outlet, flanged with end bearing ■ ARFG outlet with “Granuflow” flow...

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Volumetric feeders - 8

Selection of reference products World-wide Service Support Density kg/l A Activated Charcoal 0.21 Acrylic Resin (Fibres) 0.14 Acrylic Resins (Granulated) 0.61 Additives 0.2–0.4 Adipic Acid 0.62 Aerosil 0.046 Aluminium Chloride 0.59 Aluminium Flakes 1.30 Aluminium Fluoride 1.22 Aluminium Oxide 0.90 Aluminium Powder 1.30 Aluminium Silicate 0.54 Aluminium Sulphate 0.90 Ammonium Nitrate 0.62 Ammonium Phosphate 0.83 Antimony Oxide 0.69 Apple Pectin 0.51 Ascorbic Acid 0.55 B Barium Carbonate Barium Stearate Barium Sulphate Barley Flour Bauxite Borax Brick Dust C Cab–O–Sil Calcium Carbonate...

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