A servo-assisted two-way valve with an isolating diaphragm, Type 6288 from Burkert USA is available in 0.375 and 0.5" NPT sizes with Cv values for water flow at 2.1 and 3.76, respectively. The valve operates at pressures from 7 to 140 psi at temperatures from 14 to 121°F (-10 to 49.4°C). It handles most neutral fluids including water, hydraulic oils, oils or fats without additives. Control voltages are 24 VDC and 24, 120 and 240 VAC.
November/December 2000, RS# 203