Product Overview: The document provides technical specifications for the Tornado Direct range of copper and stainless steel cylinders manufactured by Telford Copper & Stainless Steel Cylinders Ltd. These cylinders are designed for direct heating applications.

Specifications: The Tornado Direct cylinders are available in capacities ranging from 125 to 300 liters. The height of the cylinders varies from 1025 mm to 2050 mm, while the diameter remains constant at 580 mm across all models. Key dimensions include measurements labeled A, B, C, and D, which are consistent across the range.

Performance: The reheat time from cold varies from 72 minutes for the 125-liter model to 202 minutes for the 300-liter model. Reheat time from a 75% draw-off ranges from 37 to 136 minutes. All models have an ERP rating of C and are equipped with two 3 kW immersion heaters.

Energy Efficiency: The standing heat loss is specified for each model, ranging from 1.17 kWh/24hrs for the smallest model to 1.87 kWh/24hrs for the largest.

Additional Features: The cylinders include a 22mm cold feed, a 22mm hot draw-off, and a 1/2” 7 bar T&P relief valve. The immersion heater is a standard feature across all models.