The VariA is the compact, regulated-speed in-line pump for medium to large heating systems. A finely differentiated range up to DN 150 and 18.5 kW offers the «Biral standard centrifugal pumps» It is a fundamental Biral principle to offer exactly the right pump to suit every application. Manual ON/OFF switch (o/0). The Biral ModulA is a star performer in terms of energy saving and cost efficiency that sets the efficiency standard for the future. /Web/Bilder Gross/ModulA. Available online any time: Biral eDocuments offer you quick and easy access to catalogues, data sheets and manuals. eDocuments. More information on Biral Cold water pumps in air conditioning/chiller applications are used to circulate A service water pump is used to provide domestic hot water in a building at a Biral Horizontal multistage centrifugal pumps BM Biral Standardized centrifugal Pumps BNK BNC Operating Instructions Biral Interface Modul BIM B3.A 16-2. High-efficiency wet-running circulation pump with threaded connection for hot-water heating systems, solar thermal systems and industrial applications. Biral Sensor Manuals. You can download the latest issue of the manual for your sensor from the following table. If you require a manual for an older sensor