Melt pump EXTRU 3
for polyurethanepolymerself-priming

melt pump
melt pump
melt pump
melt pump
melt pump
melt pump
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Characteristics

Fluid
for melt, for polyurethane, polymer
Priming
self-priming
Technology
gear
Domain
industrial, chemistry, for the food industry, medical, for the textile industry, for tires
Applications
transfer, metering, extraction
Material
carbon steel
Fluid specification
for abrasive fluids, for viscous fluids, for high-viscosity fluids, for corrosive fluids
Mobility
stationary
Protection level
fireproof
Other characteristics
compact, with thermal jacket
Flow

Min.: 3 l/h (0.79252 us gal/h)

Max.: 17,000 l/h (4,490.92489 us gal/h)

Pressure

Min.: 0 bar (0 psi)

Max.: 120 bar (1,740.453 psi)

Fluid temperature

350 °C (662 °F)

Description

Melt pump for the production of HDPE / LDPE / LLDPE. Melt pumps of this type are used in the production and processing of HDPE / LDPE / LLDPE. The EXTRU series is exkat adapted to the requirements in these processes and thus works with highest precision. Special serrations allow an almost pulsation-free conveyance of the melt, which guarantees a constantly high product quality. Compact and compatible EXTRU III pumps are of compact design and impress through their extraordinary compatibility. Their light construction and compact design allow simple installation, thus saving time and valuable floor space. The EXTRU III can be operated with viscosities of up to 30.000 Pas., températures of 350°C, suction pressures of up to 120 bar and diffe-rential pressures of up to 250 bar. The standard EXTRU III pump is delivered with aluminium-bronze Visco- seals. This dynamic shaft seal is designed especially for high viscosities and suction pressures and can be provided with cooling if required. Because of the efficient build-up of pressure in comparison to extruders, the product can be conveyed in a very gentle manner with the WITTE EXTRU III gear pump, as comparatively little energy or heat is transferred to the polymer. They allow an extremely précisé and almost pulsation-free conveyance of polymer, so that fluctuations in conveyance by the extruder will be compensated for. The friction bearings are provided with spécial lubrication pockets and channels to ensure long-term, reliable operation. Technical Features Housing: Heat resistant carbon steel optional: coating Cover: Carbon steel Gears: Nitrited tool steel, optional: coating, herringbone gearing

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*Prices are pre-tax. They exclude delivery charges and customs duties and do not include additional charges for installation or activation options. Prices are indicative only and may vary by country, with changes to the cost of raw materials and exchange rates.