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Humphrey | Valve 3-Way Air Pilot 1/2 | 501A-3-12-20

Mfr. Part #: 501A-3-12-20

83 in stock | Need More? >>

Ships same day with standard 2-day shipping if ordered M-F before 3PM PT.

Pickup Available at Livermore

Quantity Discount Part Price
>10 5.0 % $166.70

ID #: 4944

  • The 1/2 pipe, 501 Series piston-poppet air piloted valve achieves high flow from a compact body. Select 2 or 3-way. 3-way models are multi-purpose. Multiple mounting options.

  • Number of Ports 3 ports
    Number of Positions 2 positions
    Valve Function Single Pilot, Multi-purpose
    Piping Type Inline, Direct Piping
    Size (in) HxWxD 3.4 x 2 x 3.4
    Media Air, Inert Gas
    Type of Operation Air Piloted
    Flow Capacity (Cv) 3.67
    Port Size 1/2 NPT (Pilot Port: 1/8 NPSF)
    Lubrication Recommended
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