Product Description
The Humphrey Products 250A21020VAI is a 2-way, 2-position pneumatic directional control valve with single air pilot actuation and normally closed design. This compact inline valve features the classic Humphrey diaphragm poppet principle for reliable shifting and bubble-tight sealing in both actuated and unactuated states.
- Port Size: 1/4 NPSF (Pilot Port: 1/8 NPSF)
- Flow Capacity: 0.83 CFM at 40 psi
- Pressure Range: 0-125 psi
- Operating Speed: Up to 600 cycles per minute
- Ambient Temperature: -20 to 225 degrees F
- Wetted Materials: Zinc diecast, brass, stainless steel, and FKM seals
- Media: Air and inert gas
- Lubrication and media filtration not required
- Weight: 8 oz
The 250A21020VAI is ideal for pneumatic control applications requiring fast cycling and quick exhaust capabilities. The unbalanced, air-spring return design ensures responsive actuation across the recommended pilot pressure range of 22-95 psi, depending on system pressure. Made in the USA, this rugged valve supports close-proximity mounting for space-constrained installations. Available at Next Day Fittings for fast industrial delivery.