ISO-LF Reducer Cross

Crosses accomodate junctions or alignment considerations for a vacuum system design. Crosses are also used as junction adapters between different tubing sizes or flange types.



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



  • Standard: 304 Stainless Steel
  • Alternative: 6061 Aluminum (Contact us for price and delivery)


Product Notes

  • Pulled ports for optimal vacuum performance
  • Reducing intersection for different ISO-LF flange sizes


Options (Contact us for price and delivery)

  • Custom lengths
  • Custom flange combinations
  • ISO-QF large size flanges
  • ISO-LFB flanges
    • Tapped bolt holes

*Dimensions are in inches unless otherwise specified

Part IDReference NumberA B Flange 3 Tube O.D. Flange 1 & 2 3D CADDrawingUnit PriceIn StockQty, Add To Cart
Part ID4500450Reference NumberLF80XLF63-300X250-R4X-3.50X3.50A 3.5B 3.5Flange 3 LF63Tube O.D. 2.5Flange 1 & 2 LF803D CADLoginDrawingLoginUnit Price$530.00Contact
Part ID4500451Reference NumberLF100XLF63-400X250-R4X-4.13X4.00A 4.13B 4Flange 3 LF63Tube O.D. 2.5Flange 1 & 2 LF1003D CADLoginDrawingLoginUnit Price$625.00Contact
Part ID4500452Reference NumberLF100XLF80-400X300-R4X-4.13X4.00A 4.13B 4Flange 3 LF80Tube O.D. 3Flange 1 & 2 LF1003D CADLoginDrawingLoginUnit Price$735.00Contact
Part ID4500455Reference NumberLF160XLF100-600X400-R4X-5.25X5.13A 5.25B 5.13Flange 3 LF100Tube O.D. 4Flange 1 & 2 LF1603D CADLoginDrawingLoginUnit Price$1,150.00Contact
Part ID4500453Reference NumberLF160XLF63-600X250-R4X-5.25X5.00A 5.25B 5Flange 3 LF63Tube O.D. 2.5Flange 1 & 2 LF1603D CADLoginDrawingLoginUnit Price$875.00Contact
Part ID4500454Reference NumberLF160XLF80-600X300-R4X-5.25X5.00A 5.25B 5Flange 3 LF80Tube O.D. 3Flange 1 & 2 LF1603D CADLoginDrawingLoginUnit PriceRequest a QuoteContact
Part ID4500456Reference NumberLF200XLF160-800X600-R4X-7.25X6.25A 7.25B 6.25Flange 3 LF160Tube O.D. 6Flange 1 & 2 LF2003D CADLoginDrawingLoginUnit Price$1,700.00Contact