© Tua Engineering Ltd. Malta 2010 Our SF range of standard water softeners are manufactured using high quality GRP vessels  and Autotrol™ Valves. Apart from our standard range we can manufacture different and  much larger systems to suit your needs. Other valves including SAITA™, FLECK™, and ERIE™  are also available upon request.  Our range includes domestic, light industrial and heavy industrial systems. Maximum  available mean capacity with GRP vessels is 12,000 m3F^o per vessel. Larger capacities  available in steel vessels.  A WATER TREATMENT COMPANY