Valve function: Exhaust air one-way flow control function
Pneumatic connection, port 1: G3/8
Pneumatic connection, port 2: G3/8
Adjustment component: Slotted head screw
Type of mounting: Screw-in
Standard nominal flow rate in flow control direction: 1450 l/min
Standard nominal flow rate in blocked direction: 970 l/min ... 1600 l/min
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
Operating pressure complete temperature range: 0.3 bar ... 10 bar
Standard flow rate in flow control direction 0.6->0 MPa (6->0 bar, 87->0 psi): 2300 l/min
Standard flow rate in non-return direction 0.6->0 MPa (6->0 bar, 87->0 psi): 1540 l/min ... 2540 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
Media temperature: -10 °C ... 60 °C
Max. tightening torque: 20 Nm
Product weight: 97 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