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ISO COMPONENTS The ISO range of flanges and fittings are manufactured from high quality stainless steel. All shown configurations use an 'O' ring seal (made of Nitrile or Viton) held in place by a centerring ring. Tightening pressure is exerted with clamps, claw clamps or bolts. This effective down to 10 EXP-8 mbar. With Viton 'O' rings the assemblies are bakeable to 200°C (sustained 150°C). There are various types of ISO flanges: 1, ISO-K (clamp) flanges with a grooved ring for inserting clamps and claw clamps are smaller and less expensive. 2, ISO-F (fixed) flanges with a set of through-bore holes are pressed together with standard bolts. They are more stable than ISO-K flanges which enable them to mechanically support parts of the vacuum chamber. 3, ISO bolt rings are used to make an ISO-K flange and ISO-F flange. The various combination of the ISO flanges are shown as follows.NW of the flange no. of required clamps NW 63 4NW 80 4NW 100 4NW 160 4NW 200 6NW 250 6NW 320 8NW 400 8NW 500 12NW 630 12AISO-K flange fixed to vacuum chamber using wall clamps B ISO-K flange fixed to ISO-F flange using wall clamps, nuts and washers Ctwo ISO-K flanges fixed together using double claw clamps, which is the most commonly used configuration D ISO-F flange fixed to vacuum chamber using bolts, washers and tapped blind holes E ISO-K flange fixed to ISO-F flange using bolt rings, bolts, nuts and washers F two ISO-F flanges fixed together using bolts, nuts and washers 10VacuumServicesABCDEF

ISO CLAW CLAMP BLANK FLANGES, STAINLESS STEEL ORDER CODE NWABCDISO63BK 6395901270ISO80BK 80110 105 1283ISO100BK 100 130 125 12102 ISO160BK 160 180 175 12153 ISO200BK 200 240 235 12213 ISO250BK 250 290 285 12261 ISO320BK 320 370 365 17318 ISO400BK 400 450 445 17400 ISO500BK 500 550 545 17501 ISO630BK 630 690 685 22651 ISO FIXED BOLTED BLANK FLANGES, STAINLESS STEEL ORDER CODE NWABCDISO63FBK 63130 110 129 (x4) ISO80FBK 80145 125 129 (x8) ISO100FBK 100 165 145 129 (x8) ISO160FBK 160 225 200 1611 (x8) ISO200FBK 200 285 260 1611 (x12) ISO250FBK 250 335 310 1611 (x12) ISO320FBK 320 425 395 2014 (x12) ISO400FBK 400 510 480 2014 (x16) ISO500FBK 500 610 580 2014 (x16) ISO630FBK 630 750 720 2414(x20) ISO CLAW CLAMP BORED FLANGES, STAINLESS STEEL ORDER CODE NWABCDEISO63B76 639590127076ISO80B89 80110 105 128389ISO100B108 100 130 125 12102 108 ISO160B159 160 180 175 12153 159 ISO200B219 200 240 235 12213 219 ISO250B267 250 290 285 12261 267 ISO320B324 320 370 365 17318 324 ISO400B406 400 450 445 17400 406 VacuumServices 11ISO ACBD ACDB ACDBE