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GRACO 564325 - Soft Seat Single Ball Check Valve - 50 PSI Nominal Cracking Pressure, 1/8 NPT(F) x

Opens dialog GRACO 564325 - Soft Seat Single Ball Check Valve - 50 PSI Nominal Cracking Pressure, 1/8 NPT(F) x 1/4 NPSF, SST Body/Viton Ball, 7500 PSI

GRACO 564325 - Soft Seat Single Ball Check Valve - 50 PSI Nominal Cracking Pressure, 1/8 NPT(F) x

Expected ship date is Apr 12th 2026

  • Ships in 2-3 weeks

Most orders over $299
ship for free | See Details

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  • 50 PSI nominal cracking pressure

  • 1/8-27 NPTF x 1/4-18 NPSF

  • steel body/ball

  • 7,500 PSI max

    • Additional Specifications

    • Length: 1.11 inches (28.2 mm)
    • Thread: 1/8-27 NPTF x 1/4-18 NPSF
    • Material: SST body, Steel spring, FKM ball
    • Hex Size: 0.69 inches (17.5 mm)
    • Max Temp: 400°F (204.5°C)
    • Net Weight: Single Ball style
    • Style: B - Single Ball
    ApplicationCompressor Equipment
    Ball MaterialViton
    Body MaterialStainless Steel
    Compatible MaterialOil, Grease
    Inlet Size (in)1/8
    Inlet Thread TypeNPTF
    Maximum Cracking Pressure (psi)50
    Maximum Working Pressure (MPa)51.7
    Maximum Working Pressure (psi)7500
    Number of BallsSingle Ball
    Outlet Size (in)1/4
    Outlet Thread TypeNPSF
    TypeCheck Valve

    Features

    • Provides optimum sealing against reverse flow
    • Tapered at outlet end to help identify flow direction
    • Poppet and soft ball check design improves reliability
    • Arrow stamped on body indicates flow direction
    • Compatible with oil and grease lubricants (mineral based and synthetic)

    Applications

    • Hydraulic systems up to 7500 PSI
    • Lubrication systems up to 7500 PSI
    • Systems requiring reverse flow prevention

    Related Parts

    Available in single and double ball versions. Wide range of pipe thread and tube size inlet/outlet fitting combinations available for variety of applications.

    Reference Manuals

    888-654-8898