FESTO One-way flow control valve GRLA-1/2-B (151179)

Valve function Exhaust air one-way flow control function
Pneumatic connection, port 1 G1/2
Pneumatic connection, port 2 G1/2
Adjustment component Slotted head screw
Type of mounting Screw-in
Standard nominal flow rate in flow control direction 2100 l/min
Standard nominal flow rate in blocked direction 1550 l/min ... 2200 l/min
Operating pressure 0.3 bar ... 10 bar
Ambient temperature -10 °C ... 60 °C
Maritime classification See certificate
Explosion protection The information in the certificate must be observed!
Zone 1 (ATEX)
Zone 2 (ATEX)
Zone 21 (ATEX)
Zone 22 (ATEX)
Mounting position optional
Symbol 00991452
Standard flow rate in flow control direction 0.6->0 MPa (6->0 bar, 87->0
psi)
4000 l/min
Standard flow rate in non-return direction 0.6->0 MPa (6->0 bar, 87->0
psi)
2950 l/min ... 4190 l/min
Operating medium Compressed air to ISO 8573-1:2010 [7:4:4]
Note on operating and pilot medium Lubricated operation possible (in which case lubricated operation will
always be required)
LABS (PWIS) conformity VDMA24364-B1/B2-L
Cleanroom class Class 4 according to ISO 14644-1
Media temperature -10 °C ... 60 °C
Max. tightening torque 40 Nm
Product weight 204 g
Note on materials RoHS-compliant
Material seals NBR
Material hollow bolt Wrought aluminium alloy
Material adjusting screw Brass
Material nut Wrought aluminium alloy
Material swivel fitting Die-cast zinc