Festo HGL-1/4-QS-8 Piloted Check Valve

Features

• Piloted non-return function valve function
• G1/8 pilot air port 21
• Pneumatic type of actuation
• Screw-in type of mounting
• Via male thread type of mounting
• 0.05MPA operating pressure
• 1MPA operating pressure
• 0.5BAR operating pressure
• 10BAR operating pressure
• 0.2MPA pilot pressure
• 1MPA pilot pressure
• 2BAR pilot pressure
• 10BAR pilot pressure
• 29PSI pilot pressure
• 145PSI pilot pressure
• Compressed air to ISO 8573-1:2010 [7:4:4] operating medium
• See certificate maritime classification
• Optional mounting position
• 991456 symbol
• 640L2 standard flow rate 1->2 (6-0)
• 390L2 standard nominal flow rate 1->2 (6-5)
• Lubricated operation possible (in which case lubricated operation will always be required) note on operating and pilot medium
• 2 - Moderate corrosion stress corrosion resistance class cRC
• VDMA24364-B2-L lABS (PWIS) conformity
• Class 4 according to ISO 14644-1 cleanroom class
• -10GC media temperature
• 60GC media temperature
• Compressed air to ISO 8573-1:2010 [7:4:4] pilot medium
• 11NM nominal torque
• ± 10% tolerance for nominal tightening torque
• 38.7G product weight
• RoHS-compliant note on materials
• NBR material seals
• Wrought aluminium alloy material hollow bolt
• Anodised material hollow bolt
• POM material release ring
• NBR material non-return collar
• Die-cast zinc material swivel fitting
• -10GC ambient temperature to 60GC ambient temperature
• -10GC to 60GC storage temperature
• Pneumatic connection qS-8 , port 1
• Pneumatic connection g1/4 , port 2