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Vacuum Centering Rings

HV Centering Rings

HV Centering Rings for ISO (KF, LF) Flanges

Stainless steel centering ring assemblies with Viton® O-rings.

Centering Rings

High Vauum Centering Ring for ISO (KF, LF) Flanges

Stainless steel centering ring assemblies with Viton® O-rings.
These centering rings are used for mating ISO (KF,LF) flanges.

Centering Rings Assembly:

Centering rings are placed between two ISO flanges with matching outer diameters. The tallest part of the stainless steel centering ring rests inside a centering ring locater groove or counterbore.  The Viton O-ring rests on the flat polished surface outside the locater groove or counterbore and the vacuum seal is made by compressing the O'ring between the mating flanges.  Typically this is done by alternately wrench-tightening opposing pairs of bolts or tightening the hinged clamp until the first metal-to-metal contact is made between the inner surfaces of the flanges and the spacing edges of the centering ring.

Centering Rings Options:

(on request)

Aluminum or Brass rings on request.
Flourocarbon and Buna-N O-rings on request.

CLICK ON A CENTERING RING BELOW FOR DETAILED OPTIONS

NW16 KF Centering Ring
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202200
No votes yet
$11.00

NW16 KF stainless steel centering ring assembly with Viton® O'ring.

$11.00
NW25 KF Centering Ring
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202210
No votes yet
$13.00

NW25 KF stainless steel centering ring assembly with Viton® O'ring.

$13.00
NW40 KF Centering Ring
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202220
No votes yet
$16.00

NW40 KF stainless steel centering ring assembly with Viton® O'ring.

$16.00
NW50 KF Centering Ring
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202230
No votes yet
$20.00

NW50 KF stainless steel centering ring assembly with Viton® O'ring.

$20.00
NW63 LF Centering Ring
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202240
Average: 5 (1 vote)
$70.00

NW63 LF stainless steel centering ring assembly with Viton® O'ring.

$70.00
NW80 LF Centering Ring
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202251
No votes yet
$83.00

NW80 LF stainless steel centering ring assembly with Viton® O'ring.

$83.00
NW100 LF Centering Ring
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202262
Average: 5 (1 vote)
$89.00

NW100 LF stainless steel centering ring assembly with Viton® O'ring.

$89.00
NW160 LF Centering Ring
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202273
No votes yet
$108.00

NW160 LF stainless steel centering ring assembly with Viton® O'ring.

$108.00
NW200 LF Centering Ring
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202284
No votes yet
$147.00

NW200 LF stainless steel centering ring assembly with Viton® O'ring.

$147.00