KF (NW) centering rings are used to fasten together KF flanges. Agilent centering rings are available in either 304 stainless steel or 6061 T6 aluminum.

FKM is commonly used and has a maximum rated temperature of 200°C. Buna-N is less permeable to helium and is preferred for use in helium leak detectors and has a maximum temperature of 100°C. Centering rings have a replaceable o-ring.

Part Number Variant

KCA1016AV Seal, adaptive centering ring, NW10-NW16, aluminum, FKM
KCA1016SB Seal, adaptive centering ring, NW10-NW16, stainless steel, Buna-N
KCA1016SV Seal, adaptive centering ring, NW10-NW16, stainless steel, FKM
KCA2025AB Seal, adaptive centering ring, NW20-NW25, aluminum, Buna-N
KCA2025AV Seal, adaptive centering ring, NW20-NW25, aluminum, FKM
KCA2025SV Seal, adaptive centering ring, NW20-NW25, stainless steel, FKM
KCA3240AB Seal, adaptive centering ring, NW32-NW40, aluminum, Buna-N
KCA3240SB Seal, adaptive centering ring, NW32-NW40, stainless steel, Buna-N
KCA3240SV Seal, adaptive centering ring, NW32-NW40, stainless steel, FKM
KC10AB Seal, centering ring, NW10, aluminum, Buna-N
KC10AV Seal, centering ring, NW10, aluminum, FKM
KC10SB Seal, centering ring, NW10, stainless steel, Buna-N
KC10SV Seal, centering ring, NW10, stainless steel, FKM
KC16AB Seal, centering ring, NW16, aluminum, Buna-N
KC16AV Seal, centering ring, NW16, aluminum, FKM
KC16SB Seal, centering ring, NW16, stainless steel, Buna-N
KC16SV Seal, centering ring, NW16, stainless steel, FKM
KC16SV72M Seal, centering ring, NW16, stainless steel, FKM, mesh screen
KC25AB Seal, centering ring, NW25, aluminum, Buna-N
KC25AV Seal, centering ring, NW25, aluminum, FKM
KC25SB Seal, centering ring, NW25, stainless steel, Buna-N
KC25SV Seal, centering ring, NW25, stainless steel, FKM
KC25SV72M Seal, centering ring, NW25, stainless steel, FKM, mesh screen
KC40AB Seal, centering ring, NW40, aluminum, Buna-N
KC40AV Seal, centering ring, NW40, aluminum, FKM
KC40SB Seal, centering ring, NW40, stainless steel, Buna-N
KC40SV Seal, centering ring, NW40, stainless steel, FKM
KC40SV72M Seal, centering ring, NW40, stainless steel, FKM, mesh screen
KC50AB Seal, centering ring, NW50, aluminum, Buna-N
KC50AV Seal, centering ring, NW50, aluminum, FKM
KC50SB Seal, centering ring, NW50, stainless steel, Buna-N
KC50SV Seal, centering ring, NW50, stainless steel, FKM
KC50SV72M Seal, centering ring, NW50, stainless steel, FKM, mesh screen

New, factory warranted pumps available.

Price: POA, please contact us for latest prices

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KF (NW) Centering Rings