The 250 Series Air Piloted Valve has an 1/4 pipe port and orifice size
Exclusive diaphragm-poppet design originated by Humphrey consists of two specially contoured diaphragms mounted on an axial stem within a full-ported, full-orifice valve body.
This classic design is simple, requires no lubrication, seals tight and is highly reliable.
Cv is 0.8, pressure to 125 PSI
Available in 2- & 3- and 4-way models.
Air, vacuum, other gases or liquids
Interface valves for low pressure, as low as 0.1 PSI