ADVANTAGES The tubular diaphragm valves, NT Series, provides the user with the following advantages: • Free flow, with no obstructions. • Positive closure, even over solids. • No mechanical parts, besides the diaphragm, in contact with the controlled product. • No packings. • Minimum pressure loss. • Long Iife, under severe operating conditions. • Only one component to wear - the tubular diaphragm. • Fast and simple servicing.