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KFThe CF components of this catalogue comply with ISO 3669 standard and up to NW 200 are compatible with ConFlat® flanges and CF flanges of other leading manufacturers. While there is no general standard for CF flanges, essentially two "standards" have come into use for NW 250: one Anglo-American and one European, both of which are available in our product line. Other standards are used by some other manufacturers and in use at research centres. Please contact us for these types of flanges. Due to UHV bakeability requirements, sealing of the CF flanges is provided by use of oxygen-free (OFHC) flat gasket rings, which usually can only be used once due to plastic deformation. The tightening pressure is exerted by through-bore screws that have to be tightened uniformly and crosswise to avoid excessive strain. These flange joints are bakeable up to 450 °C. Standard material of our CF components is????stainless steel. Any other material can be supplied upon request. All UHV components are cleaned to UHV standard and leak tested down to 1 x 10 EXP -10 mbar l/s. CF COMPONENTSHex head boltsCF flangesOFE copper gasketLeak check groovesCFVacuumServices 25

CF BLANK FLANGES, STAINLESS STEEL - FIXEDORDER CODE MATERIALNWABCx No. F16 304L 16347,6 4,3 6F35 304L 357012,7 6,7 6F63 304L 63114 17,4 8,3 8F100 304L 100 152 19,9 8,3 16F150 304L 150 203 22,3 8,3 20F200 304L 200 254 24,6 8,3 24F250 304L 250 304 27,3 10,3 32F250-SPE* 304L 250 304 27,3 8,3 32for flanges with trapped bolt holes - please add suffix T to order codes (eg F16T)* European Standard, to be used with copper gaskets OD 272.7 mm ORDER CODE MATERIALNWABCx No. F16LNS 316LN 16347,3 4,3 6F35LNS 316LN 357013,0 6,5 6F63LNS 316LN 63113,5 17,5 8,4 8F100LNS 316LN 100 151,6 19,8 8,4 16F150LNS 316LN 150 202,4 22,2 8,4 20F200LNS 316LN 200 253,2 24,6 8,4 24F250LNS 316LN 250 306 24,6 8,4 32for flanges with trapped bolt holes - please add suffix T to order codes (eg F16LNTS) * European Standard, to be used with copper gaskets OD 272.7 mm CF BLANK FLANGES, STAINLESS STEEL - ROTATABLEORDER CODE MATERIALNWABCx No. F16R 304L 16347,6 4,6 6F35R 304L 357012,7 6,7 6F63R 304L 63114 17,4 8,3 8F100R 304L 100 152 19,9 8,3 16F150R 304L 150 203 22,3 8,3 20F200R 304L 200 254 24,6 8,3 24F250R 304L 250 304 27,3 10,3 32F250R-SPE* 304L 250 304 27,3 8,3 32for flanges with trapped bolt holes - please add suffix T to order codes (eg F16RT)* European Standard, to be used with copper gaskets OD 272.7 mm ORDER CODE MATERIALNWABCx No. F16RLNS 316LN 1634,0 7,3 4,3 6F35RLNS 316LN 3569,4 13,0 6,5 6F63RLNS 316LN 63113,5 19,0 8,4 8F100RLNS 316LN 100 151,6 21,4 8,4 16F150RLNS 316LN 150 202,4 23,8 8,4 20F200RLNS 316LN 200 253,2 24,6 8,4 24F250RLNS* 316LN 250 306,0 24,6 8,4 32for flanges with trapped bolt holes - please add suffix T to order codes (eg F16RLNTS)* European Standard, to be used with copper gaskets OD 272.7 mm BACBCA26VacuumServices