HAM-LET® UH Ultra Line Fittings

Click here to download Ham-Let® UH Line Catalogue.pdf

The Ham-Let® UH Series has been designed for ultra-vacuum systems.


  • Finger-tight assembly (with knurled nut)
  • Easy removal, easy repositioning in a system
  • Helium leak tested to 4x10-9 ATM.cc/sec
  • Maximum temperature: 242°C
  • Available factory assembled for many Ham-Let® Valves including: Ball Valve, Needle Valve, Diaphragm Valve, Filter and Check Valve
  • All metal parts are 316 stainless steel and O-rings are Viton®.
  • Full range of sizes from 1/4” to 1”