Introduction
This document provides technical specifications and recommendations for the TF Self-Priming Side-Channel El/Pump, designed for small to medium-sized boats. The pump is noted for its high-quality bronze construction and self-priming capacity of up to 8 meters vertically.

Specifications
The pump is available in various models, each with specific dimensions and performance levels. The body and impeller are made of bronze, while the shaft is stainless steel. The mechanical seal comprises ceramic, graphite, and inox materials.

Dimensions and Weight

• TF 20 DC: 145x240x125 mm, 7 kg
• TF 20 AC: 145x265x125 mm, 6 kg
• TF 25 DC: 165x245x145 mm, 9 kg
• TF 25 AC: 165x305x145 mm, 12 kg
• TF 32 DC: 195x320x145 mm, 12 kg
• TF 32 AC: 180x330x145 mm, 13 kg
• TF 40 DC: 220x375x185 mm, 26 kg
• TF 40 AC: 220x375x185 mm, 28 kg
• TF 40/1 DC: 260x500x195 mm, 51 kg
• TF 40/1 AC: 260x465x195 mm, 38 kg
• TF 40/2 AC: 260x465x195 mm, 48 kg
• TF 50 AC: 320x510x245 mm, 65 kg
• TF 50/1 AC: 300x580x240 mm, 63 kg

Performance
The pumps operate at various voltages and deliver different flow rates and head pressures. For example, the TF 20 DC model operates at 12-24V, delivering 40-5 l/min with a head of 3-11 m and power of 0.15 kW. The TF 50/1 AC model operates at 1~230 - 3~230/400V, delivering 480-175 l/min with a head of 3-32 m and power of 4.0 kW.

Installation Recommendations
It is recommended to install a filter and a clapet valve on the suction pipe to prevent liquid reflux.

Conclusion
The TF Self-Priming Side-Channel El/Pump is a versatile and high-quality option for marine applications, offering a range of models to suit different needs and specifications.