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Flanges & Components > Adapters & Couplings > Baseplate Couplings

Baseplate NPT Couplings

Baseplate NPT couplings and baseplate plugs suit vacuum walls thicker than 1/4" and thinner than 1-1/4". Baseplate NPT couplings connect a tube to a chamber at a standard 1"; baseplate port; baseplate plugs are used to blank-off a standard size hole or feedthrough port in a chamber wall.

Baseplate NPT Couplings & Plugs Feature:

  • Available in stainless steel, brass, or aluminum (baseplate plugs only)
  • Baseplate NPT couplings mount in the baseplate port with the o-ring on the inside of the chamber. The tube connects into the coupling with a compression o-ring or a female NPT fitting.
  • Baseplate plugs use an o-ring which sits on the inside finished surface of a feedthrough port or hole in the chamber's wall. A wing nut on the atmosphere side of the plug is used to tighten the plug to seal the hole/port.

Dimensional Drawings

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Ordering Table

(Click column headers to sort data)

Fitting PartNo Price Add Item
VacuCADSM
Fitting PartNo Price Add Item
VacuCADSM
0.13"
FCH-1/8NPTB
P.O.R.
N/A
0.13"
FCH-1/8NPTSS
$170.00
N/A
Flange Selection Guide
With a variety of flanges to choose from, the Flange Selection Guide is designed to help you find one to meet your vacuum requirements. Shop Now!
Can't find the flange you need or want a custom configuration? Please call us at 1-412-387-9200 or email international@lesker.com with your inquiry.

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