ISO-QF (KF) 90 Elbow, Long Radius

Elbows are manufactured with a flange on each end of a curved section of tubing. Elbows accommodate turns or alignment considerations for vacuum system design.


  • High Vacuum Rated to 1×10-8 Torr
  • Bakeable to 200°C
  • Quick sealing and disassembly


  • Standard: 304 stainless steel

Options (Contact us for price and delivery)

  • Custom lengths
  • Custom flange combinations
  • ISO-QF large size flanges

*Dimensions are in inches unless otherwise specified

Part IDReference NumberA 3D CADDrawingUnit PriceIn StockQty, Add To Cart
Part ID4000462Reference NumberQF16-075-E90LR-2.70A 2.73D CADLoginDrawingLoginUnit Price$94.80Contact
Part ID4000463Reference NumberQF25-100-E90LR-3.64A 3.643D CADLoginDrawingLoginUnit Price$116.70Contact
Part ID4000464Reference NumberQF40-150-E90LR-5.12A 5.123D CADLoginDrawingLoginUnit Price$99.00Contact
Part ID4000465Reference NumberQF50-200-E90LR-5.52A 5.523D CADLoginDrawingLoginUnit Price$158.656