Under normal conditions, a fully charged R Series Transformer Breather can last up to 300 days. Lifespan varies depending on temperature and humidity.
What’s the service life of R Series Transformer Breathers?
Which size of R Series Transformer Breather do I need?
Breather size depends on oil capacity or volume. For example, R Mini suits conservators up to 900L, R up to 1500L, R1 up to 3000L, and R2 up to 4750L. For tanks, select the appropriate VRB model.
What type of desiccant is used in transformer breathers?
R Series Transformer Breathers use low-dusting, beaded, self-indicating silica gel, either orange (non-toxic) or blue (with cobalt chloride). Both change colour as they saturate.
Are R Series Transformer Breathers weather-resistant?
Yes. R Series Transformer Breathers are UV-stabilised, weatherproof, and operate from –50°C to +70°C, making them suitable for outdoor use.
Do I need tools to install an R Series Transformer Breather?
Installation is straightforward. Use a spanner on the flat sections to tighten. VRB models install via the BSP threaded vent connection.
Can I purchase R Series Transformer Breathers empty?
Yes. Both R Series Transformer Breathers and VRB models can be supplied pre-filled with silica gel or empty, ready for your own desiccant filling.
What tank size is the R Mini Transformer Breather suitable for?
The R Mini Transformer Breather is designed for conservator tanks with oil capacities of up to approximately 900L.
Is the R Mini Transformer Breather refillable?
Yes. The R Mini Transformer Breather can be easily refilled. Simply unscrew the unit, empty the spent silica gel, and replace it with fresh silica gel.
What thread connection does the R Mini Transformer Breather use?
The R Mini Transformer Breather mounts via a ¾” female BSP pipe thread for easy installation.
Can the R Mini Transformer Breather be used outdoors?
Yes. The R Mini Transformer Breather is made from UV-stabilised polycarbonate, making it durable and fully weather resistant.
What does the silica gel colour change in the R Mini Transformer Breather indicate?
Orange silica gel turns green and blue silica gel turns pink when saturated. When the colour change reaches the indicator line, it is time to refill the R Mini Transformer Breather.
What is the typical application for the Small R Transformer Breather?
The Small R Transformer Breather is ideal for small to mid-sized transformers or applications with oil volumes up to approximately 1,500L.