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KF Blank Flanges
Blank Flanges
KF Blank flanges are offered in 316L stainless steel and aluminium. These high vacuum flanges can
be used in vacuum applications down to 10 -7 mbar and can be baked to 200°C (sustained 150°C). KF
flanges are clamped using an aluminium swing clamp which applies uniform pressure on the 15 degree
angled surface of the flange. The seal surface of the flange compresses the O-ring of an inner centering
ring. The clamps and centering rings are also available from Torr Scientific. Other KF hardware parts
can be supplied on request.
ISO Blank Claw Clamp Flanges
CF Blank Flanges
Part Number Size Outside Diameter
(mm)
Thickness
(mm)
Material
TSKF016000ABK KF16 30 6 Aluminium
TSKF016000SBK KF16 30 6 304L SS
TSKF025000ABK KF25 40 6 Aluminium
TSKF025000SBK KF25 40 6 304L SS
TSKF040000ABK KF40 55 6 Aluminium
TSKF040000SBK KF40 55 6 304L SS
TSKF050000ABK KF50 75 6 Aluminium
TSKF050000SBK KF50 75 6 304L SS
ISO Blank flanges are offered in 316L stainless steel. These high vacuum flanges can be used in vacuum
applications down to 10 -8 mbar and can be baked to 200 °C (sustained 150°C). The ISO claw clamp
flanges are clamped using steel or aluminium double claw clamps. The seal surface of the flange
compresses the O-ring of an inner centering ring. The clamps and centering rings are also available
from Torr Scientific. Rotatable outers, fixed bolted flanges and other ISO hardware can be supplied on
request.
Part Number Size Outside Diameter
(mm)
Thickness
(mm)
Material
TSIS063000SBK ISO63 95 12 304L SS
TSIS080000SBK ISO80 110 12 304L SS
TSIS100000SBK ISO100 130 12 304L SS
TSIS160000SBK ISO160 180 12 304L SS
TSIS200000SBK ISO200 240 12 304L SS
TSIS250000SBK ISO250 290 12 304L SS
Blank Flanges
CF Blank flanges are offered in 304L stainless steel and 316LN stainless steel for low energy applications
or surface science applications needing low magnetic fields. These ultra high vacuum flanges can
be used in vacuum applications down to 10 -12 mbar and can be baked to 450 °C. The CF flanges are
clamped using nuts, bolts and washers, and the knife-edge of the flange cuts in to the copper gasket
seal. Uniform bolting and the use of annealed copper gaskets is essential when bolting viewports and
glass to metal seals. The nuts, bolts, washers and copper gaskets are also available from Torr Scientific.
Part Number Size Outside Diameter
(mm)
Thickness
(mm)
Material
TSCF016000SBK NW16CF 34 7.6 304L SS
TSCF016000LBK NW16CF 34 7.6 316LN SS
TSCF035000SBK NW35CF 70 12.7 304L SS
TSCF035000LBK NW35CF 70 12.7 316LN SS
TSCF063000SBK NW63CF 114 17.4 304L SS
TSCF063000LBK NW63CF 114 17.4 316LN SS
TSCF100000SBK NW100CF 152 19.9 304L SS
TSCF100000LBK NW100CF 152 19.9 316LN SS
TSCF150000SBK NW150CF 203 22.3 304L SS
TSCF150000LBK NW150CF 203 22.3 316LN SS
www.torrscientific.co.uk 85
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