Polymer melt pump for discharge reactor

Polymer melt pump for discharge reactor is high-pressure gear pump for the discharge of medium to high viscosity media from the reactor. The specifications and parameters of gear pumps for chemicals are as follows.


Polymer melt pump for discharge reactor specifications:
Housing: Non-alloyed and alloyed steels, cast steel, with optional surface coating
Gears: Nitrated steel, tool steel, special steel, with optional surface coating, helical gearing, herringbone gearing
Friction Bearings: Tool steel, NiAg (nickel-silver), Al-bronze, special materials, with optional surface coating
Shaft Seals: (Vacuum) Viscoseal, stuffing box, combination of viscoseal and stuffing box, double-action, buffered mechanical seal
Heating Systems: Heat transfer oil, steam

Polymer melt pump for discharge reactor Operating Parameters:
Viscosity: up to 40000 Pas
Temperature: up to 350°C (662°F)
Inlet pressure: Vacuum to max. 40 bar (580 psig)
Differential Pressure: Up to 250 bar (3225 psig)

The values listed are maximum values and must not coincide under certain circumstances.

Polymer melt pump for discharge reactor sizes:
From 22/22 (4.7 cm3/U - 10 kg/h) up to 280/280 (12,000 cm3/U - 30,000 kg/h).
Intermediate sizes, with wider gear wheels for lower differential pressure, are available as standard, e.g. 152/254 (3,170 cm3/U).

The extra-large inlet opening guarantees an even flow of product to the gearwheels even under vacuum or extremely low NPSH conditions. Offered with either a round inlet port, by means of which the suction flange of the Polymer melt pump for discharge reactor is directly connected to the outlet flange of the reactor or as a low NPSH version, where the melt pump is connected between the pump and reactor flanges, in order to achieve an even larger and shorter inlet port.

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