KF Fittings
Sanitary Fittings

KF Fittings are the tube fittings welded with KF flanges at their end connections.  They are designed for quick assembly and disassembly, making them ideal for applications that require frequent maintenance or reconfiguration in high vacuum systems.

As a professional manufacturer of stainless steel pipe fittings, we also produce KF fittings, including KF 90 degree elbows, tees, and crosses.  These fittings are available in both USA and Europe standards for different tube outside diameters.  They are made of stainless steel 304 or 316L, with sizes ranging from KF16 to KF50.

Material： Stainless Steel 304, 316L
Size： KF10 ~ KF50
Vacuum Range： Down to 10-8 Torr
Available Parts：
KF 90° Elbow - USA SS304
KF 90° Elbow - Europe SS304
KF Tee - USA SS304
KF Tee - Europe SS304
KF Unequal Tee - USA SS304
KF Unequal Tee - Europe SS304
KF 4-Way Cross - USA SS304
KF 4-Way Cross - Europe SS304
  • KF 90° Elbow - USA SS304
    Model No. A B C R
    E90A-16 38.3 19.05 30 28.6
    E90A-25 56.2 25.4 40 38.1
    E90A-40 78.4 38.1 55 57.2
    E90A-50 107.0 50.8 75 76.2
  • KF 90° Elbow - Europe SS304
    Model No. A B C R
    E90E-16 40.0 19.05 30 28.6
    E90E-25 50.8 25.4 40 38.1
    E90E-40 65.0 38.1 55 57.2
    E90E-50 80.0 50.8 75 76.2
  • KF Tee - USA SS304
    Model No. A B C D
    TA-16 38.3 19.05 30 76.6
    TA-25 51.4 25.4 40 102.8
    TA-40 61.0 38.1 55 122.0
    TA-50 80.0 50.8 75 160.0
  • KF Tee - Europe SS304
    Model No. A B C D
    TE-16 40 19.05 30 80
    TE-25 50 25.4 40 100
    TE-40 65 38.1 55 130
    TE-50 70 50.8 75 140
  • KF Unequal Tee - USA SS304
    Model No. A B C D E F
    UTA25-16 51.8 37.3 40 30 25.4 19.05
    UTA40-16 62.5 51.8 55 30 38.1 19.05
    UTA40-25 62.5 61.0 55 40 38.1 25.40
    UTA50-16 81.5 58.2 75 30 50.8 19.05
    UTA50-25 81.5 72.1 75 40 50.8 25.40
    UTA50-40 81.5 70.0 75 55 50.8 38.10
  • KF Unequal Tee - Europe SS304
    Model No. A B C D E F
    UTE25-16 60 40 40 30 25.4 19.05
    UTE40-16 65 40 55 30 38.1 19.05
    UTE40-25 65 50 55 40 38.1 25.40
    UTE50-16 70 50 75 30 50.8 19.05
    UTE50-25 70 65 75 40 50.8 25.40
    UTE50-40 70 65 75 55 50.8 38.10
  • KF 4-Way Cross - USA SS304
    Model No. A B C D
    4CA-16 38.3 19.05 30 76.6
    4CA-25 51.4 25.4 40 102.8
    4CA-40 61.0 38.1 55 122.0
    4CA-50 80.0 50.8 75 160.0
  • KF 4-Way Cross - Europe SS304
    Model No. A B C D
    4CE-16 40 19.05 30 80
    4CE-25 50 25.4 40 100
    4CE-40 65 38.1 55 130
    4CE-50 70 50.8 75 140
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