Chain Clamps

Chain Clamps

The less expensive uncoated version is the preferred choice for sealing standard KF flanges with aluminum metal seals. The uncoated chain clamps can be used with Ebara or other manufacturers? KF flanges with a radius of approximately .060 of an inch on the outer edge of the non-sealing side. Most manufacturers? KF flanges have this feature. If the flanges to be sealed have a sharp edge, the Teflon coated chain clamps are required to ensure adequate sealing force for aluminum metal seals. Both versions use a single, hex head nut for closure. Stainless steel chain clamps and low cost composite chain clamps are available for elastomer KF connections. Chain clamps for KF-63 flanges are similar to the KF-16 to 50 sizes. The style to use with KF-63 elastomer seals has a single knob for tightening. The clamp used for sealing aluminum metal seals has a single hex head nut. Both have uncoated aluminum links, although Teflon coated aluminum versions are available. Chain clamps for 80 to 100mm tapered flanges are stocked in two styles: one with a single knob for elastomer seals and another with two allen head bolts for aluminum metal seals. Although chain clamps are bakeable to 150°C, the knobs should not be baked above 60°C. Chain clamps for tube sizes up to 28 inch OD can be supplied on request.

Specifications

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Chain Clamps for KF 16 - 50 Flanges Aluminum Links

MODEL NUMBER DIAGRAM APPLICATION A B MAXIMUM
TEMPERATURE
TORQUE (LB. IN.)
ELASTOMER/METAL
KF-16-CC-AN A Metal or Elastomer Seals 4.53 2.36 150°C 9 / 22
KF-25-CC-AN A Metal or Elastomer Seals 4.92 2.76 150°C  13 / 26
KF-40-CC-AN A Metal or Elastomer Seals 5.32 3.35 150°C  18 / 39
KF-50-CC-AN A Metal or Elastomer Seals 5.98 4.13 150°C 22 / 44

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Chain Clamps for KF 16 - 50 Flanges Teflon Coated

MODEL NUMBER DIAGRAM APPLICATION A B MAXIMUM
TEMPERATURE
TORQUE (LB. IN.)
ELASTOMER/METAL
KF-16-CC-TN A No radius, metal/elastomer 4.53 2.36 150°C 9 / 22
KF-25-CC-TN A No radius, metal/elastomer 4.92 2.76 150°C  13 / 26
KF-40-CC-TN A No radius, metal/elastomer 5.32 3.35 150°C  18 / 39
KF-50-CC-TN A No radius, metal/elastomer 5.98 4.13 150°C 22 / 44

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Chain Clamps for KF 63 Flanges

MODEL NUMBER DIAGRAM APPLICATION A B MAXIMUM
TEMPERATURE
TORQUE (LB. IN.)
ELASTOMER/METAL
KF-63-CCV-AN B Elastomer seals only 6.69 4.72 100°C -
KF-63-CC-AN A Metal or elastomer seals 6.30 4.72 150°C  22 / 44

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Chain Clamps for 80 - 100 mm Tapered Flanges

MODEL NUMBER DIAGRAM APPLICATION A B MAXIMUM
TEMPERATURE
TORQUE 
(LB. IN.)
KF-80-CCV-AS D Elastomer seals only 9.61 6.06 150°C -
KF-80-CC-TS C Metal seals only - 6.30 150°C  75
KF-100-CCV-AS D Elastomer seals only 10.08 6.77 150°C  -
KF-100-CC-TS C Metal seals only - 7.09 150°C 88

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