Air is soluble at condensate and this air caused corrosion at the boiler. That's why air should be evacuated to the system. Its body is made of brass and inner parts are made of stainless steel. They are ideal especially at low pressure systems.
They can be installed any position to pipeline for working efficiently and long time. Isolation valves should be used for safety during the maintenance and steam traps changing.
Body and cover: Brass
Inner parts: AISI 304 stainless steel
Up to 10 bars
Up to 150 ºC