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HI-VAC® Low Hold-Up Valves with PTFE Plug and No Tip O-Ring

HI-VACĀ® Low Hold-Up Valves with PTFE Plug and No Tip O-Ring

The sidearms of this high-vacuum valve are bent to minimize liquid holdup that would occur in conventional valves.

  • PTFE shaft seals protect the FKM o-rings from contact with the system
  • Seal design reduces outgassing
  • Designed with a precision external thread for fine control
  • Can be used as a bleed up to 1/2 turn
  • Full open position is at 1-1/2 turns
  • Primary seal is made with a FKM o-ring on a tapered seat
  • Non-rotating PTFE shaft
  • Manufactured from 33 expansion, low extractable borosilicate glass conforming to USP Type I and ASTM E438, Type I, Class A requirements
           
Cat.No. Name Plug Bore EA    
186-826620-0004 Low Hold-Up Valve, Size 4 0-4mm $61.09
1/EA
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186-826620-0008 Low Hold-Up Valve, Size 8 0-8mm $90.83
1/EA
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186-826622-0004 Valve without Plug, Size 4   $71.13
1/EA
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186-826422-0008 Valve without Plug, Size 8   $115.18
1/EA
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