KF Flanges and Fittings

KF fittings compliant to the Small Flange (Kleinflansch) or the KF Standard DIN 28403, ISO 2681. These KF fittings are typically used in low, medium and high vacuum applications, down to 10-8 Torr. All KF fittings have a common 15-degree tapered flange with sizes interchangeably measured in NW or DN denominations, depending on the manufacturer.
Image Encole Part Number Price Bend Angle Centering Ring Material Clamp Size Cross Type Length Length Center to End Material Nominal Pipe Size O-Ring Material Tube O.D.
172A1000 $8.00 each - - KF16 - - - - - - -
172A1001 $10.20 each - - KF25 - - - - - - -
172A1002 $12.50 each - - KF40 - - - - - - -
172A1003 $18.00 each - - KF50 - - - - - - -
174A1000 $7.25 each - Aluminum - - - - - KF10 Viton -
174A1001 $8.00 each - Aluminum - - - - - KF16 Viton -
174A1002 $9.50 each - Aluminum - - - - - KF25 Viton -
174A1003 $12.50 each - Aluminum - - - - - KF40 Viton -
174A1004 $15.50 each - Aluminum - - - - - KF50 Viton -
175A1000 $16.25 per package of 5 - - - - - - - KF16 Viton -
175A1001 $18.75 per package of 5 - - - - - - - KF25 Viton -
175A1002 $24.75 per package of 5 - - - - - - - KF40 Viton -
175A1003 $31.25 per package of 5 - - - - - - - KF50 Viton -
176A1000 $10.85 each - - - - - - Aluminum KF10 - -
176A1001 $12.25 each - - - - - - Aluminum KF16 - -
176A1002 $12.85 each - - - - - - Aluminum KF25 - -
176A1003 $15.00 each - - - - - - Aluminum KF40 - -
176A1004 $19.50 each - - - - - - Aluminum KF50 - -
177A1000 $10.75 each - - - - - - Aluminum KF16 - -
177A1001 $12.75 each - - - - - - Aluminum KF25 - -