Üreticiler

Witte Poly/Poly At Gear Pump

PURO

Witte

Marka	Witte
Ürün	`Gear Pump`
Ürün Kodu	`PURO`
Artikel	`-`
Ülke	United States (US)
Durumu	Yeni / Kullanılmamış

Teknik Bilgi

Technical data

Housing Unalloyed and alloyed steel · Cast steel · optional with coating Gearwheels Nitrided steel · Tool steel · Special steel · optional with coating · Helical gearing · Herringbone gearing Axial shaft seals (Vacuum) threaded shaft seal · Stuffing box · Combination of threaded shaft seal and stuffing box · double, locked mechanical seal Heating Heat transfer oil · Steam Friction bearings Tool steel · NiAG (nickel-silver) · Al bronze · Special materials · optional with coating

Application examples for WITTE polymer discharge pumps from the POLY series

Plastics PET · PA · PBT · PC · PS SAN · ABS · HIPS · PP · PE · POM

Polymer discharge pumps

Reliable and robust pumps are needed to empty reactors and containers particularly during the polymerization process. The pumps transport the melt throughout the process. The highly viscous material must be transported from a reactor under vacuum. Discharge pumps from the POLY series from WITTE are specifically created for this task. The customer can choose between a standard design or an individual design according to their requirements.

Operating parameters

Viscosity Up to 40.000.000 mPas Temperature Up to 450°C Suction pressure Vacuum up to max. 40 bar Transport pressure /differential pressure Up to 320 bar (4642 psig). The values listed are standard values and must not coincide under certain circumstances. Others values are available upon requests. Pump sizes From 4.7-22-22 (4.7 ccm/rev – 10 kg/h) to 25,000-360-360 (25,000 ccm/rev – 52,000 kg/h). Sizes with wider gear pumps for lower differential pressures are available by default, for example, 3,170-152-254 (3,170 ccm/rev).

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