Ross Controls 2173B6901W

Ross Controls 2173B6901W is a Classic 21 Series vacuum directional control valve with 24 VDC solenoid actuation, designed for inline mounting and continuous-duty service in pneumatic vacuum systems. This 3/2 normally closed valve uses a poppet-style aluminum body with aluminum and stainless-steel internals and fluorocarbon seals, and features internal/external pilot control with a hardwired connection and a non-locking manual override for field adjustments. Key specs include a 3/4-inch body/port size, inlet/outlet/exhaust pipe sizes of 1, Cv values of 7.5 (1→2) and 12.0 (2→3), 24 VDC coil, continuous duty, and operating range from vacuum to 150 psig (vacuum to 10 bar); ambient temperature range -40 to 120 °F (-40 to 50 °C) and media temperature range -40 to 175 °F (-40 to 80 °C), with filtered-air as the fluid media. The valve's enclosure measures about 4.45 in long, 3.59 in wide, and 8.10 in high, weighs roughly 3.3 lb, and uses NPT threads for inline mounting.