Anderson Metals (Kansas City, Missouri, USA) has produced a catalogue of its fittings, valves and nipples. International Valve Marketing (Plainfield, Illinois, USA) presents a catalogue of its Vent-O-Mat air release vacuum break valves, designed to overcome surge problems. Valves are all-stainless bodies, and range in size from 1″ to 8″ as standard, with larger sizes also available. Bradford (Brookfield, Wisconsin, USA) sanitary check valves feature quick-disconnect clamp ends (and other ends) for quick and easy cleaning. Spring check valves, ball check valves and air blow check valves are just some of the check valve types offered. The Valv-Trol Company (Stow, Ohio, USA) has produced a six-page, full-colour brochure of its line of quality directional control valves used in raw water or 95/5 high-pressure water systems. Valv-Trol’s maintenance and service capabilities are also described. Century Instrument (Livonia, Missouri, USA) introduces expanded literature on its actuated diaphragm valves. Actuator sizing for weir valves is presented, as well as a new section covering actuator sizing for straight-through valves. Available materials are included for both valve types.