PURO – Precision gear pump for the food Industries

Easy to clean and individually tuneable

gear pump for food and sweets industryStainless steel precision gear pump for conveying and metering of fluids with medium to low viscosity. Through decades of experience in design and selection of optimal materials, this type of pump suitable for even the toughest of tasks and impresses with its reliability and metering accuracy in the vacuum as well as high-pressure applications. Typical areas of application for this type of pump are to be found in the cosmetic and food industries e.g. for conveying butter, margarine or vegetable oils. Pumps of this type can be supplied with or without heating (hydraulic or electric). The modular construction system for WITTE bearings, gears and shaft seals offers a maximum dimension of flexibility for the user. For better cleaning the pump has different flushing connections. An industry leading special design of this pump helps to minimize dead spots.

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Technical Features

Housing        
stainless steel • tantalum • titanium • hastelloy

Gears
          
DIN 1.4112 standard • examples of optional materials include ferralium • DIN 1.4571 • hastelloy • ferro titanite • and other available included coated options

Friction Bearings   
NiAg (nickel-silver) • zirconium oxide • silicon carbide • other materials on request

Shaft Seals       
Single mechanical seal • magnetic coupling • mechanical seals of other suppliers are available as an option (with FDA approval)

Heating Systems   
hydraulic or electric

Operating Parameters

Viscosity:  
up to 500.000 mPas

Temperature:
up to 200°C

Inlet Pressure: 
Vacuum to max 15 bar  (215 psig)

Differential Pressure:
up to 120 bar (1740 psig)

Conveying Pressure:

up to max. 135 bar (1958 psig

Pump Sizes
From 22/13 to 180/180.

Application Examples

Food industry   
vegetable oils • margarine • flavourings • fudge •  liquorice • chewing gum • vitamins • syrup • gelatine • mustard • ketchup • sugar solution

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