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Flanges & Components > Bellows, Tubing, & Weld Fittings > Weld Fittings

Weldable Tube Conical Reducers

We manufacture our weldable conical reducer tube fittings from 304 series stainless steel. Weld tube fittings are ideal for use as roughing lines on semiconductor process equipment and for foreline and pump exhaust lines in semiconductor subfabs.

Weldable Conical Reducers Feature:

  • Design adapts smaller diameter tube with a minimal loss in conductance
  • Maximum cleanliness for UHV applications to > 10-13 Torr
  • Temperature range from -200 to 450 °C
  • Common wall thicknesses and tube diameters listed; contact us with your specific requirements or for flanged versions

Specifications

Vacuum Range ≥ 1×10-13 Torr.
Temperature Range -200° to 450° C

Dimensional Drawings

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Ordering Table

(Click column headers to sort data)

Wall
Thickness
Dim
A
Tube
OD
Tube
OD 2
Weight
lbs
PartNo Price Add Item
VacuCADSM
Wall
Thickness
Dim
A
Tube
OD
Tube
OD 2
Weight
lbs
PartNo Price Add Item
VacuCADSM
0.07 1.38 1 0.75 0.25
B-31W100-075
$20.00
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0.07 2.38 1.5 0.75 0.25
B-31W150-075
$23.00
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0.07 2.38 1.5 1 0.25
B-31W150-100
$24.00
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0.07 2.38 2 1 0.5
B-31W200-100
$25.00
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0.07 2.38 2 1.5 0.5
B-31W200-150
$29.00
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0.07 2.38 2.5 1.5 0.5
B-31W250-150
$33.00
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0.07 2.38 2.5 2 0.5
B-31W250-200
$39.00
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0.07 3.62 3 1.5 1
B-31W300-150
$59.00
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0.07 3.62 3 2 1
B-31W300-200
$49.00
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0.07 3.62 3 2.5 1
B-31W300-250
$70.00
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0.07 3.62 4 1.5 2
B-31W400-150
$67.00
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0.07 3.62 4 2 2
B-31W400-200
$60.00
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0.07 3.62 4 2.5 2
B-31W400-250
$65.00
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0.07 3.62 4 3 2
B-31W400-300
$71.00
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0.07 5.5 6 3 4
B-31W600-300
P.O.R.
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0.07 5.5 6 4 4
B-31W600-400
$258.00
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