Air conditioning and plumbing slide charts and wheel charts

IWA has a range of solutions in presenting complex information in an accurate, straight forward and comprehensible manner.

Working together with the domestic and building management sectors for many years IWA has a extensive pool of experience and has developed a number of novel solutions in the production of slide charts for calculating the consumption of heating oil, heat requirements and thermal insulation, energy savings in heating installations (energy pass), potable water circulation, as well as exhaust gas losses and hydraulic balancing. The manufacture of slide charts and wheel charts on subjects such as refrigeration capacity, refrigerants, refrigeration plants and liquids, gases, vapours as well as thermostatic valves, fittings, mixers, radiators, and ventilation ducts are all among the areas of competence at IWA.

Pump Selector IWA-02228 Simplifies the selection of a suitable pump from a very complex program of submersible pumps. More...

Selection of Refrigeration Plant IWA-06191 The slide simplifies the selection of suitable units from a very complex program of refrigeration plant. More...

Slide Chart for the configuration of heating and ventilation circuits with BOA-Systronic valves IWA-06197 Based on the temperature difference and the heat load, the flow and the appropriate valves are indicated. More...

Data Slide for under floor heating layout IWA-07335 The slide chart enables calculation of volume flow related to pipe diameter and room temperature on the front face; on the... More...

Refrigerant Calculator IWA-07340 Robust ruler to calculate the pressure and temperature of refrigerants. More...

Data Slide to calculate refrigeration capacity IWA-07343 This calculator can determine the installed refrigeration capacity by adding together the parameters of the ceiling surfaces,... More...

Ventilation duct calculator for industrial kitchens IWA-07356 The slide chart has scales on the front face for laying out ventilation ducts. More...

Data slide for selecting thermostat valves IWA-07364 Based on the heat capacity and temperature difference the slide chart enables radiator thermostat valves layout to be calculated... More...

Refrigerant slide IWA-07375 Slide chart to determine pressure and temperature for refrigerants. More...

Plumbers’ guide IWA-07380 Slide chart to explain and visualize the function of ceramic cartridges in modern domestic water systems. More...

Slide chart for selecting balancing valves IWA-07390 Based on temperature difference and thermal output, the slide chart calculates volume flow and kv value as well as layout... More...

Slide chart for hydraulic balancing in heating installations IWA-07400 A work folder for the installer contains the slide chart, a brochure and a note pad. More...

Slide chart for roof thermal insulation IWA-08191 The slide chart shows the requirement for insulation panels and accessories for a given roof area. More...