Catalog excerpts
A GROUP OF CO-OPERATING EUROPEAN WATER TREATMENT SPECIALISTS CUSTOMER INFORMATION VACUUM DEAERATOR SERIES VA 1B - VA 11B SUITABLE FOR DISTRICT HEATING PLANTS Օ DEAERATION WITHOUT STEAM- HEATING EFFICIENT AND STABLE VACUUM PUMP Օ PRODUCED IN GALVANIZED AND STAINLESS STEEL G16B-42A/E2
Open the catalog to page 1APPLICATION A vacuum deaerator is used for treatment of circulating water in heating plants. The circulating water should not contain oxygen as this increases the risk of corrosion on the system. The oxygen is dissolved in the make-up water and thereby enters the tank together with the make-up water, which normally contains 8-10 mg/l oxygen. The oxygen content can be reduced to under 0.2 mg/l with a vacuum deaerator. THEORY OF OPERATION The oxygen-containing make-up water, preheated to 40-90 °C, is led to the upper section of the deaeration tank. In order to optimize the removal of oxygen,...
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