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FESTO
FESTO One-way flow control valve GRA-1/4-B 6509
Official FESTO One-way flow control valve GRA-1/4-B, part number 6509. Technical details are based on the FESTO product record; price, availability, and lead time are confirmed per inquiry.
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Inquiry note
Final price, availability, and lead time are confirmed per inquiry.
Brand names and part numbers are used for product identification and inquiry reference only.
Key data
At-a-glance specifications
Valve functionOne-way flow control function
Operating pressure0.01 MPa...1 MPa 0.1 bar...10 bar 1.45 psi...145 psi
Pneumatic connection, port 1Female thread G1/4
Mounting positionAny
| Valve function | One-way flow control function |
|---|---|
| Operating pressure | 0.01 MPa...1 MPa 0.1 bar...10 bar 1.45 psi...145 psi |
| Pneumatic connection, port 1 | Female thread G1/4 |
| Mounting position | Any |
| Type of mounting | Either: Front panel mounting With through-hole |
| Ambient temperature | -20 °C...75 °C |
| Product weight | 180 g |
| Material housing | Die-cast zinc |
| Material seals | NBR |
| Pneumatic connection, port 2 | Female thread G1/4 |
| Adjustment component | Knurled screw |
| Standard nominal flow rate in flow control direction | 420 l/min |
| Standard nominal flow rate in blocked direction | 780 l/min |
| Explosion protection | The information in the certicate must be observed! Zone 1 (ATEX) Zone 2 (ATEX) Zone 21 (ATEX) Zone 22 (ATEX) |
| Official part number | 6509 |
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