Asahi/America, of Malden, Mass., has developed a new thermoplastic corrosion resistant diaphragm valve for aggressive brine service applications. Constructed of EL-PVDF and EL-PTFE to prevent blisters and stress cracks, the new valves performed excellently in laboratory and long-term field tests. The body and diaphragm are made from specially developed materials. The valve is designed specifically for electrolysis plants and brine service applications and is available in flanged-end, configuration sizes of ½?? to 4″.