One-way flow control valve

GRA-1/4-B

Part number: 6509

Data sheet

Feature

Value

Type code

GRA

Valve function

Flow control non-return function

Pneumatic connection 1

G1/4

Pneumatic connection 2

G¼

Adjusting element

Knurled screw

Type of mounting

Optionally:

Front panel mounting

With through-hole

Standard nominal flow rate in flow control direction

420 l/min

Standard nominal flow rate in non-return direction

780 l/min

Operating pressure

0.1 bar ... 10 bar

Ambient temperature

-20 °C ... 75 °C

Housing material

Die-cast zinc

Explosion prevention and protection

Observe the information on the certificate

Zone 1 (ATEX)

Zone 2 (ATEX)

Zone 21 (ATEX)

Zone 22 (ATEX)

Mounting position

Any

Symbol

00991453

Operating medium

Compressed air as per ISO 8573-1:2010 [7:4:4]

Information on operating and pilot media

Operation with oil lubrication possible (required for further use)

Temperature of medium

-20 °C ... 75 °C

Product weight

180 g

Note on materials

RoHS-compliant

Material of adjusting screw

Brass

11/3/21 - Subject to change - Festo AG & Co. KG

1/1