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WITTE PUMPS & TECHNOLOGY GMBH

Booth No. 5.1A09
CHEM
gear pump for conveying and metering of fluids with low medium viscosity. The application range goes from classic transfer and metering tasks in the chemical and pharmaceutical industries up to the conveyance of monomers, oligomers and prepolymers during the production of polymers. Decades of experience in construction 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 applications. Typical areas of application for this type of pump are to be found in the chemical, cosmetic, food, petrochemical and polymer industries. The CHEM series is also suitable for the food industry, e.g. for conveying butter, margarine or vegetable oils. Pumps of this type can be supplied with or without heating.. The WITTE modular construction system for friction bearings, gear and shaft seals offers a maximum of flexibility for the end customer.


BOOSTER
gear pumps are used in the polymerisation process, to boost the pressure of medium to high viscosity media. They transport pre-polymers and polymers, e.g. PET, PBT, PS, ABS any many more, very gently Heating is either by way of heat transfer oil or steam.

EXTRU
is mainly used in conjunction with extruders or kneaders. It reduces the natural pulsation and irregular conveyance, particularly in single-screw extruders, added to which, the build up of pressure in the gear pump is more efficient in comparison to the extruder. Because of this, less energy or heat is transferred into the polymer and the product is conveyed in a gentler manner. The EXTRU is indispensable for the manufacture of precision films or micro granulate. The robust construction and low wear materials make the EXTRU indispensable for extrusions. Special versions are available for conveying natural rubber and soft PVC. The WITTE quick colour change version lends itself particularly to master batch applications with frequent changes of colour. In order to prevent the pump's drive shaft from being driven/pushed out of the housing when there is a high pressure on the suction side (extruder conveying pressure), the drive shaft must be relieved. It protrudes from both sides of the housing and is sealed, so that atmospheric pressure predominates on both sides of the drive shaft. The shaft is thus relieved.

POLY

high-pressure gear pump for the discharge of medium to high viscosity media from the reactor. 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 pump is directly connected to the outlet flange of the reactor or as a low NPSH version, where the pump is connected between the pump and reactor flanges, in order to achieve an even larger and shorter inlet port.
BOOSTER gear pump for increasing process pressure
POLY discharge pump
EXTRU melt pump for extrusion applications
Corporate Headquarters
Address:
Lise-Meitner-Allee 20, 25436 Tornesch
Postal Code:
25436
Phone:
+49 41 20 70 65 90
Contact Person:
Mr. Dr. Wieczorek
Title:
CEO

Other Offices / Sales Representative
Company Name:
WITTE PUMPS (SHANGHAI) CO.,LTD.
Address:
Room 2005, Pole Tower, No. 425 Yishan Rd,
Postal Code:
200235
Phone:
+ 86 21 33676235
Contact Person:
Mr. Jianhua Qiu

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CHEM
gear pump for conveying and metering of fluids with low medium viscosity. The application range goes from classic transfer and metering tasks in the chemical and pharmaceutical industries up to the conveyance of monomers, oligomers and prepolymers during the production of polymers. Decades of experience in construction 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 applications. Typical areas of application for this type of pump are to be found in the chemical, cosmetic, food, petrochemical and polymer industries. The CHEM series is also suitable for the food industry, e.g. for conveying butter, margarine or vegetable oils. Pumps of this type can be supplied with or without heating.. The WITTE modular construction system for friction bearings, gear and shaft seals offers a maximum of flexibility for the end customer.


BOOSTER
gear pumps are used in the polymerisation process, to boost the pressure of medium to high viscosity media. They transport pre-polymers and polymers, e.g. PET, PBT, PS, ABS any many more, very gently Heating is either by way of heat transfer oil or steam.

EXTRU
is mainly used in conjunction with extruders or kneaders. It reduces the natural pulsation and irregular conveyance, particularly in single-screw extruders, added to which, the build up of pressure in the gear pump is more efficient in comparison to the extruder. Because of this, less energy or heat is transferred into the polymer and the product is conveyed in a gentler manner. The EXTRU is indispensable for the manufacture of precision films or micro granulate. The robust construction and low wear materials make the EXTRU indispensable for extrusions. Special versions are available for conveying natural rubber and soft PVC. The WITTE quick colour change version lends itself particularly to master batch applications with frequent changes of colour. In order to prevent the pump's drive shaft from being driven/pushed out of the housing when there is a high pressure on the suction side (extruder conveying pressure), the drive shaft must be relieved. It protrudes from both sides of the housing and is sealed, so that atmospheric pressure predominates on both sides of the drive shaft. The shaft is thus relieved.

POLY

high-pressure gear pump for the discharge of medium to high viscosity media from the reactor. 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 pump is directly connected to the outlet flange of the reactor or as a low NPSH version, where the pump is connected between the pump and reactor flanges, in order to achieve an even larger and shorter inlet port.