QF2NH-8T Qf Series Tube Stem Connector Fittings

Model: QF2NH-8T

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Product Details

  • Gauge Calibration
  • Sampling System
  • Portable Test Equipment
  • Laboratory Equipment
  • Gas Distribution
  • Biopharmaceutical
  • Compact design and full flow without any orifice restriction.
  • O-ring is easily replaceable.
  • No possibility of cross threading, galling, under-tightening, or over-tightening.
  • Use filters in front of quick connectors.
  • Protect uncoupled body and stem with body and stem protectors or dust caps.
  • Keep body and stem aligned when coupling and uncoupling.
  • Couple and uncouple the quick connectors at room temperature.
  • Couple and uncouple the quick connectors during system cleaning operations.
  • Support hanging hoses or other equipment to prevent side load.
  • Re-lubricate stem seal O-rings periodically.
Caution Quick connectors MUST be depressurized prior to disconnection.
Series QF2
Width Across Flat (H) (mm) 22.20
Width Across Flat (H) (in) 7/8
Working Pressure (psig) Up to 6000
Working Pressure (bar) Up to 413
Flow Coefficient (Cv) 13.00
Notes Long Life Cycle.
Dimensions shown with Hy-Lok nuts in finger-tight position, where applicable.
All dimensions are in millimeters unless otherwise specified. Dimensions are for reference only, subject to change.
End Connection Size (in) 1/4 ~ 1
Tube Outside Diameter (in) 1/2
Length (L) (in) 1.990
Length (L) (mm) 50.50
Insertion Depth (in) 0.810
Insertion Depth (mm) 20.60
Temperature Rating with FKM O-Ring (ºC) -23 ~ 204
Temperature Rating with FKM O-Ring (ºF) -10 ~ 400
Minimum Orifice (in) 0.410
Minimum Orifice (mm) 10.40


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