SPIROEXPAND

De-aerator machines for use with pipework containing liquids for use in industrial installations

Plumbing fittings in the nature of de-aerators for use with pipework containing liquids for use in heating, central heating, refrigerating, drying and heat recovery installations and apparatus; separators for the cleaning and purification of liquids, namely, air and dirt separators for pipework containing liquids for use in heating, central heating, refrigerating, drying and heat recovery installations and apparatus