CHEM Gear pump for chemical industries
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Catalog excerpts

CHEM Gear pump for chemical industries - 1

High precision gear pump PUMPS & TECHNOLOGY

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CHEM Gear pump for chemical industries - 2

CHEM gear pump for conveying and metering of fluids with low to medium viscosity. The application range goes from classic transfer and metering monomers, oligomers and prepolymers during the polymerization process. tasks in the chemical and pharmaceutical industries up to the conveyance of ^ Decades of experience in design and an optimum selection of materials, make this type of pump suitable for even the most demanding tasks and are outstanding in their reliability and metering precision in both vacuum and high pressure ap- plications. Typical areas of application for this type of pump are...

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CHEM Gear pump for chemical industries - 3

Pump Sizes Sizes with longer gears for all types available e.g. 140/210 (2.223 cm3/rev). Application Examples Organic and Inorganic Chemicals: Alcohols, additives, bases, esters, glycerine, resins, hardeners, isocyanates, monomers, oils, phenol, acids, biodiesel, asphalt, bitumen, tar, hotmelt, glues, Celluloseacetate, Nylon 66®, prepolymers, etc. Edible oils, butter, margarine, flavourings, chocolate, fudge, liquorice, chewing gum, vitamins, syrup, gelatine, etc. Pharmaceutical and Cosmetic Products: Amino acids, lotions, shampoo, vitamins etc. Mechanical Seals Single mechanical seal (ED)...

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CHEM Gear pump for chemical industries - 4

CHEM MAGNET way as the CHEM but it is supplied with a synchronous free, i.e. the pump speed is always the same as the The CHEM MAGNET is in general constructed in the same drive speed. magnetic coupling as shaft seal. This operates slip- The magnetic coupling lends itself to conveying poisonous or flammable substances, as well as for operation at high system pressures. Special versions can be used for inlet pressures of up to 500 bar (7.252 psig). The containment shell of the magnetic coupling can be of the double-walled type. The double wall serves hea- ting the coupling can. The...

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CHEM Gear pump for chemical industries - 5

Operating Parameters Pump Sizes Suction Pressure: Vacuum to max. 500 bar The values listed are maximum values and must not coincide under certain circumstances. Differential Pressure: Up to 120 bar (1.740 psig) Technical Features Housing: Stainless steel, tantalum, titanium, Hastelloy®, ceramic Gears: 1.4112 (440B) but also all other processable ceramics and metals, e.g. 1.4571 (316TÌ), Ferralium®, Ferro Titanite®, Hastelloy® etc., optional: surface coating, spur gearing Friction Bearings: Carbon, NiAg (nickel-silver), silicon carbide (SIC), zirconium oxide, tool steel, Al-bronze, special...

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CHEM Gear pump for chemical industries - 6

Metering Systems / Special Pumps Metering System The WITTE metering system (WDS) enables precise volumetric metering of low to high viscosity media with gear pumps, even at high temperatures and pressures. Two series connected gear pumps, one measuring and one pressure boosting pump are precisely controlled by a PLC control system, such that a precision of better than 0.1% is achieved, depending upon the medium. Special Pumps In addition to our standard pumps, we offer a wide range of special pumps, e.g. made of ceramic, tantalum, titanium or immersion pumps. Many of these pumps are custom...

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CHEM Gear pump for chemical industries - 7

Size / Displacement Volume / Capacity Pump Sizes * (Depending on the fluid characteristics and operating conditions) CHEM Dimensions Operating Conditions Pressure increase Thin film evaporation

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CHEM Gear pump for chemical industries - 8

WITTE PUMPS & TECHNOLOGY GmbH D-25436 Uetersen / Hamburg / Germany PUMPS & TECHNOLOGY

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