Product Description
The Humphrey Products 250A21020BRB is a 2-way, 2-position pneumatic directional control valve with single air pilot actuation and normally closed function. This compact valve features the classic Humphrey diaphragm poppet principle with an unbalanced, air-spring return design for reliable shifting and bubble-tight sealing in both actuated and unactuated states.
- Port Size: 1/4 NPSF main ports, 1/8 NPSF pilot port
- Pressure Range: 0-125 PSI
- Flow Capacity: 0.83 CFM at 40 PSI
- Operating Speed: Up to 600 cycles per minute
- Wetted Materials: Zinc diecast, brass, stainless steel, and Buna N seals
- Ambient Temperature Range: -20 to 225 degrees Fahrenheit
- Compact Dimensions: 1.97 x 1.63 inch diameter
- Lubrication and media filtration not required
The 250A21020BRB is suitable for air, inert gas, and mild liquid media applications. Its compact design permits close proximity mounting and fast cycling with quick exhaust capability. Made in the USA.