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Genuine Festo product GR · One-way flow control valve, in-line installation

GRA-1/4-B

One-way flow control valve

Part no.
6509
Order code
GRA-1/4-B
Status
Active product

GTIN: 4052568001247

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Valve functionOne-way flow control function
Standard nominal flow rate in flow control direction420 l/min
Pneumatic connection, port 1Female thread G1/4
Adjustment componentKnurled screw

The key technical data are listed. See the data sheet or the product family's PDF catalogue for every technical value.

All technical data (data sheet)
Links
All technical data (data sheet) opens on festo.com
CAD data opens on festo.com
Documents
GR-GRA_EN.PDF View
GRX-U-NPT_EN.PDF View

Diagrams open in Festo's interactive diagram tool in a new tab.

Standard nominal flow rate qnN at 6 → 5 bar as a function of spindle rotations n (GR-M5X2-B)
Standard nominal flow rate qnN at 6 → 5 bar as a function of spindle rotations n (GR-1/8X2-B)
Standard nominal flow rate qnN at 6 → 5 bar as a function of spindle rotations n (GRA-1/4-B; GR-1/8-B; GR-M5-B)
Standard nominal flow rate qnN at 6 → 5 bar as a function of spindle rotations n (GR-M5-B; GR-1/8-B)
Standard nominal flow rate qnN at 6 → 5 bar as a function of spindle rotations n (GR-M3)
Standard flow rate qn at 6 → 0 bar as a function of spindle rotations n (GR-QS-3; GR-QS-4)
Standard nominal flow rate qnN at 6 → 5 bar as a function of spindle rotations n (GR-QS-3; GR-QS-4)
Standard nominal flow rate qnN at 6 → 5 bar as a function of spindle rotations n (GR-3/8-B; GR-1/2; GR-3/4)
Standard flow rate qn at 6 → 0 bar as a function of spindle rotations n (GR-QB-1/2-U, GR-QB-3/8-U, GR-QB-5/16-U)
Standard flow rate qn at 6 → 0 bar as a function of spindle rotations n (GR-QS-6; GR-QS-8)
Standard nominal flow rate qnN at 6 → 5 bar as a function of spindle rotations n (GR-QB-1/2-U, GR-QB-3/8-U, GR-QB-5/16-U)
Standard nominal flow rate qnN at 6 → 5 bar as a function of spindle rotations n (GR-QS-6; GR-QS-8)
Standard nominal flow rate qnN at 6 → 5 bar as a function of spindle rotations n (GR-QB-1/4-U, GR-QB-3/16-U, GR-QB-5/32-U)
Standard flow rate qn at 6 → 0 bar as a function of spindle rotations n (GR-QB-1/4-U, GR-QB-3/16-U, GR-QB-5/32-U)
Order codePart no.
GR-QS-3 193965
GR-QS-4 193967
GR-QS-6 193969
GR-QS-8 193970
GR-1/2 3720
GR-1/4 2101
GR-1/8-B 151215
GR-1/8X2-B 152612
GR-3/4 2103
GR-3/8-B 6308
GR-M3 15899
GR-M5-B 151213
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