Introduction
The document introduces the new AT-Design for polymer pumps, highlighting advanced technology made in Germany. It focuses on the POLY-AT and BOOSTER-AT series, offering various sizes and capacities.

Available Sizes and Capacities
The document lists available sizes for the POLY-AT and BOOSTER-AT series, with capacities ranging from 3,500 kg/h to 43,500 kg/h.

Design Versions

• SX Version: Features integrated flange geometry in the housing, requiring minimal installation space.
• MX Version: Includes blind holes in the flange, offering the largest possible cross-section and minimal pressure loss, ideal for highly viscous polymers.
• LX Version: Features a flange with through holes, providing maximum installation flexibility and very low pressure loss.

Flexibility and Efficiency
The AT-Design offers exceptional flexibility for installations beneath polymer melting reactors, with three different flange geometries. The redesign of core components like friction bearings, housings, and gears results in a more compact and efficient pump.

Comparison: AT Design vs. Classic Design
The AT design offers several advantages over the classic design, including:

• Lower bearing temperature and stress on the polymer.
• Optimized inlet geometry for minimal pressure loss.
• Three flange types and pressure versions (200 bar, 250 bar, 320 bar).
• Larger viscosity range and simplified handling.
• Increased throughput by up to 40% without changing installation size.
• Lower shear and improved product quality.
• Reduced heat input and simplified spare part management.

Advantages of AT Pumps
AT pumps offer higher throughput than conventional pumps with the same footprint, thanks to optimized gears and housing geometry. This results in increased throughput, reduced installation space, higher differential pressure, reduced NPSH value, and improved volumetric efficiency.

Contact Information
Witte Pumps & Technology GmbH provides contact details for further inquiries.