Valve functionExhaust air one-way flow control function
Selection of additional functionsActuated non-return valve
Pneumatic connection, port 1QS-4
Pneumatic connection, port 2QS-4
Type of actuationManual
Pilot air port 21QS-4
Standard nominal flow rate in flow control direction120 l/min
Standard nominal flow rate in blocked direction210 l/min
Operating pressure≤145 psi
Pilot pressure29 psi ... 145 psi
Ambient temperature-10 °C ... 60 °C
Material housingPBT
Explosion protectionZone 2 (ATEX) Zone 22 (ATEX)
Mounting positionoptional
Type act., cont. n.-r. func.Pneumatic
Manual exhaust functionNon-detenting
Symbol00991958
Operating pressure complete temperature range0.2 bar ... 10 bar
Standard flow rate in flow control direction 0.6->0 MPa (6->0 bar, 87->0 psi)200 l/min
Standard flow rate in non-return direction 0.6->0 MPa (6->0 bar, 87->0 psi) actuated210 l/min
Standard flow rate in non-return direction 0.6->0 MPa (6->0 bar, 87->0 psi) non-actuated210 l/min
Standard nominal flow rate in non-return direction actuated125 l/min
Standard nominal flow rate in non-return direction non-actuated115 l/min
Switching time off9 ms
Switching time on6 ms
Operating mediumCompressed air to ISO 8573-1:2010 [7:4:4]
Note on operating and pilot mediumLubricated operation possible
LABS (PWIS) conformityVDMA24364-B1/B2-L
Storage temperature-20 °C ... 70 °C
Media temperature-10 °C ... 60 °C
Pilot mediumCompressed air to ISO 8573-1:2010 [7:4:4]
Permissible actuation moment, regulating screw1 Nm
Product weight25.1 g
Material coveringES-BE
Note on materialsRoHS-compliant
Material coverPBT
Material sealsNBR
Material sleeveWrought aluminium alloy
Material release ringPOM
Material adjusting screwBrass
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