New catalogues are available from Century Instrument, Marwin Valve, International Valve Marketing and Anderson Metals. – Century Instrument has introduced 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. Accessory information offers the latest technologies available. – Marwin Valve is offering free literature on its 7000 Series three-piece ball valve. This series is designed for severe applications, and is available in a wide range of standard and alloy materials. Valve materials include carbon steel, stainless steel, Monel, Hastelloy, duplex, titanium, bronze, 254 SMO and Alloy 20. The 7000 Series is ideal for petroleum, steam, chlorine, oxygen, vacuum and NACE applications. – International Valve Marketing presents catalogues on its Vent-O-Mat air release vacuum break valves. These valves offer a solution to surge problems. Protection by Vent-O-Mat valves will provide benefits associated with initial filling, pump trip conditions, pipeline operating and surge protection. Vacuum protection is a built-in integral part of each valve. Valves are all stainless bodies, and range in size from 1″ to 8″ as standard. Larger sizes are available. – Anderson Metals (Kansas City, USA) has produced a brochure of its fittings, valves and nipples. The company offers same-day shipping at a 98% fill-rate on more than 6500 products made from brass forgings, rod and castings. They also make custom parts.
