Description
Festo Piloted check valve HGL-3/8-QS-8
- Valve function Piloted non-return function
- Pneumatic connection, port 1 QS-8
- Pneumatic connection, port 2 G3/8
- Pilot air port 21 G1/4
- Type of actuation Pneumatic
- Type of mounting Screw-in
- Via male thread
- Operating pressure 0.05 MPa … 1 MPa
- Operating pressure 0.5 bar … 10 bar
- Pilot pressure 0.1 MPa … 1 MPa
- Pilot pressure 1 bar … 10 bar
- Pilot pressure 14.5 psi … 145 psi
- Ambient temperature -10 °C … 60 °C
- Operating medium Compressed air to ISO 8573-1:2010 [7:4:4]
- Maritime classification See certificate
- Mounting position optional
- Symbol 00991456
- Standard flow rate 1->2 (6-0) 1200 l/min
- Standard nominal flow rate 1->2 (6-5) 830 l/min
- Note on operating and pilot medium Lubricated operation possible (in which case lubricated operation will always be required)
- Corrosion resistance class CRC 2 – Moderate corrosion stress
- LABS (PWIS) conformity VDMA24364-B2-L
- Cleanroom class Class 4 according to ISO 14644-1
- Storage temperature -10 °C … 60 °C
- Media temperature -10 °C … 60 °C
- Pilot medium Compressed air to ISO 8573-1:2010 [7:4:4]
- Nominal torque 12.5 Nm
- Tolerance for nominal tightening torque ± 10%
- Product weight 54.7 g
- Note on materials RoHS-compliant
- Material seals NBR
- Material hollow bolt Wrought aluminium alloy Anodised
- Material release ring POM
- Material non-return collar NBR
- Material swivel fitting Die-cast zinc