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Flanges & Components > KF (QF) Flanges & Components > KF (QF) Clamps & Accessories

KF (QF) Chain Clamps

These chain clamps are excellent quick fasteners used (in conjunction with a centering ring with fitted o-ring) for mating KF flanges. The KF (QF) flange is used for through- or foreline vacuum plumbing and for simple HV chamber ports.

KF Chain Clamps Feature:

  • Links constructed of pressure die-cast aluminum alloy
  • Pins constructed of stainless steel
  • Quick opening and closing of clamp
  • Clamp design allows for high-sealing forces
  • Safety turnbuckle cannot be "tripped" accidentally

Dimensional Drawings

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Ordering Table

(Click column headers to sort data)

Flange
Size
Material Dim
A
Dim
B
Dim
C
Dim
D
Clamp OD PartNo Price Add Item
VacuCADSM
Flange
Size
Material Dim
A
Dim
B
Dim
C
Dim
D
Clamp OD PartNo Price Add Item
VacuCADSM
KF10/KF16 Aluminum alloy 1.18 0.12 1.1 1.2 2.09
QF16-075-CCL
P.O.R.
N/A
KF25 Aluminum alloy 1.57 0.16 0.92 1.4 2.48
QF25-100-CCL
P.O.R.
N/A
KF40 Aluminum alloy 2.17 0.2 1.29 1.4 3.11
QF40-150-CCL
P.O.R.
N/A
KF50 Aluminum alloy 2.95 0.28 0.92 1.4 3.82
QF50-200-CCL
P.O.R.
N/A

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