ISO-F DN 63 Bored Blank Flange, For 2.5 Inch O.D. (63.5 mm) Tubing, Weld-On, Fixed Vacuum Flange, Bolted, M-8 Tapped Holes, Stainless Steel These ISO-F DN 63 bored blank flanges follow vacuum technology standards as described in DIN 28404 and ISO 1609. ISO-F fixed flange vacuum fittings have a bolt circle where bolts align the two flanges. A centering ring which contains a rubber elastomeric O-ring is used to form the vacuum seal between the two flange faces. They are commonly used to build process vacuum plumbing and systems for industrial vacuum applications. The ISO standard sizes for large LF flanges are ISO-F DN 63, 80, 100, 160, 200, 250, 320, 400, 500, 630, 1000. These vacuum fittings are made of corrosive resistant 304L stainless steel. Bored Blank for 2.50 Inch O.D. (63.5 mm) Tubing, Flange Bolted Weld-On, M8 Tapped Holes. ISO-LF Flange Size: NW-63 Common Dimensions:A = 5.10 in. (130 mm) B = 4.30 in. (110 mm) C = 0.47 in. (12 mm) D = M8 F = 2.45 in. (62.3 mm) G = 2.50 in. (64 mm) Number Bolt Holes: 4

ISO-F DN 80 Bored Blank Flange, For 3.0 Inch O.D. (76.2 mm) Tubing, Weld-On, Fixed Vacuum Flange, Bolted, M-8 Tapped Holes, Stainless Steel These ISO-F DN 80 bored blank flanges follow vacuum technology standards as described in DIN 28404 and ISO 1609. ISO-F fixed flange vacuum fittings have a bolt circle where bolts align the two flanges. A centering ring which contains a rubber elastomeric O-ring is used to form the vacuum seal between the two flange faces. They are commonly used to build process vacuum plumbing and systems for industrial vacuum applications. The ISO standard sizes for large LF flanges are ISO-F DN 63, 80, 100, 160, 200, 250, 320, 400, 500, 630, 1000. These vacuum fittings are made of corrosive resistant 304L stainless steel. Bored Blank for 3.00 Inch O.D. (76.2 mm) Tubing, Flange Bolted Weld-On, M8 Tapped Holes. ISO-LF Flange Size: NW-80 Common Dimensions:A = 5.70 in. (145 mm) B = 4.90 in. (125 mm) C = 0.47 in. (12 mm) D = M8 F = 2.95 in. (75mm) G = 3.00 in. (76.5 mm) Number Bolt Holes: 8

ISO-F DN 100 Bored Blank Flange, For 4 Inch O.D. (101.92 mm) Tubing, Weld-On, Fixed Vacuum Flange, Bolted, M-8 Tapped Holes, Stainless Steel These ISO-F DN 100 bored blank flanges follow vacuum technology standards as described in DIN 28404 and ISO 1609. ISO-F fixed flange vacuum fittings have a bolt circle where bolts align the two flanges. A centering ring which contains a rubber elastomeric O-ring is used to form the vacuum seal between the two flange faces. They are commonly used to build process vacuum plumbing and systems for industrial vacuum applications. The ISO standard sizes for large LF flanges are ISO-F DN 63, 80, 100, 160, 200, 250, 320, 400, 500, 630, 1000. These vacuum fittings are made of corrosive resistant 304L stainless steel. Bored Blank for 4.0 Inch O.D. (101.92mm) Tubing, Flange Bolted Weld-On, M8 Tapped Holes. ISO-LF Flange Size: NW-100 Common Dimensions:A = 6.50 in. (165 mm) B = 5.70 in. (145 mm) C = 0.47 in. (12 mm) D = M8 F = 3.80 in. (98.8mm) G = 4.00 in. (102 mm) Number Bolt Holes: 8

ISO-F DN 160 Bored Blank Flange, For 6.0 Inch O.D. (152.4 mm) Tubing, Weld-On, Fixed Vacuum Flange, Bolted, M-10 Tapped Holes, Stainless Steel These ISO-F DN 160 bored blank flanges follow vacuum technology standards as described in DIN 28404 and ISO 1609. ISO-F fixed flange vacuum fittings have a bolt circle where bolts align the two flanges. A centering ring which contains a rubber elastomeric O-ring is used to form the vacuum seal between the two flange faces. They are commonly used to build process vacuum plumbing and systems for industrial vacuum applications. The ISO standard sizes for large LF flanges are ISO-F DN 63, 80, 100, 160, 200, 250, 320, 400, 500, 630, 1000. These vacuum fittings are made of corrosive resistant 304L stainless steel. Bored Blank for 6.00 Inch O.D. (152.4 mm) Tubing, Flange Bolted Weld-On, M8 Tapped Holes. ISO-LF Flange Size: NW-160 Common Dimensions:A = 8.80 in. (225 mm) B = 7.80 in. (200 mm) C = 0.62 in. (16 mm) D = M10 F = 5.96 in. (151.6 mm) G = 6.00 in. (153.3 mm) Number Bolt Holes: 8

ISO-F DN 200 Bored Blank Flange, For 8.0 Inch O.D. (203.2 mm) Tubing, Weld-On, Fixed Vacuum Flange, Bolted, M-10 Tapped Holes, Stainless Steel These ISO-F DN 200 bored blank flanges follow vacuum technology standards as described in DIN 28404 and ISO 1609. ISO-F fixed flange vacuum fittings have a bolt circle where bolts align the two flanges. A centering ring which contains a rubber elastomeric O-ring is used to form the vacuum seal between the two flange faces. They are commonly used to build process vacuum plumbing and systems for industrial vacuum applications. The ISO standard sizes for large LF flanges are ISO-F DN 63, 80, 100, 160, 200, 250, 320, 400, 500, 630, 1000. These vacuum fittings are made of corrosive resistant 304L stainless steel. Bored Blank for 8.0 Inch O.D. (203.2 mm) Tubing, Flange Bolted Weld-On, M8 Tapped Holes. ISO-LF Flange Size: NW-200 Common Dimensions:A = 11.2 in. (285 mm) B = 10.2 in. (260 mm) C = 0.62 in. (16 mm) D = M10 F = 7.96 in. (202.4 mm) G = 8.00 in. (204 mm) Number Bolt Holes: 12

ISO-F DN 250 Bored Blank Flange, For 10 Inch O.D. (254 mm) Tubing, Weld-On, Fixed Vacuum Flange, Bolted, M-10 Tapped Holes, Stainless Steel These ISO-F DN 250 bored blank flanges follow vacuum technology standards as described in DIN 28404 and ISO 1609. ISO-F fixed flange vacuum fittings have a bolt circle where bolts align the two flanges. A centering ring which contains a rubber elastomeric O-ring is used to form the vacuum seal between the two flange faces. They are commonly used to build process vacuum plumbing and systems for industrial vacuum applications. The ISO standard sizes for large LF flanges are ISO-F DN 63, 80, 100, 160, 200, 250, 320, 400, 500, 630, 1000. These vacuum fittings are made of corrosive resistant 304L stainless steel. Bored Blank for 10 Inch O.D. (254mm) Tubing, Flange Bolted Weld-On, M10 Tapped Holes. ISO-LF Flange Size: NW-250 Common Dimensions:A = 13.2 in. (335 mm) B = 12.2 in. (310 mm) C = 0.62 in. (16 mm) D = M10 F = 9.98 in. (253.5 mm) G = 10.0 in. (255 mm) Number Bolt Holes: 12

ISO-F DN 320 Bored Blank Flange, For 12 Inch O.D. (304.8 mm) Tubing, Weld-On, Fixed Vacuum Flange, Bolted, M-12 Tapped Holes, Stainless Steel These ISO-F DN 320 bored blank flanges follow vacuum technology standards as described in DIN 28404 and ISO 1609. ISO-F fixed flange vacuum fittings have a bolt circle where bolts align the two flanges. A centering ring which contains a rubber elastomeric O-ring is used to form the vacuum seal between the two flange faces. They are commonly used to build process vacuum plumbing and systems for industrial vacuum applications. The ISO standard sizes for large LF flanges are ISO-F DN 63, 80, 100, 160, 200, 250, 320, 400, 500, 630, 1000. These vacuum fittings are made of corrosive resistant 304L stainless steel. Bored Blank for 12 Inch O.D. (304.8 mm) Tubing, Flange Bolted Weld-On, M12 Tapped Holes. ISO-LF Flange Size: NW-320 Common Dimensions:A = 16.7 in. (425 mm) B = 15.5 in. (395 mm) C = 0.78 in. (20 mm) D = M12 F = 11.9 in. (304 mm) G = 12.0 in. (306 mm) Number Bolt Holes: 12

ISO-F DN 320 Bored Blank Flange, For 12.75 Inch O.D. (325 mm) Tubing, Weld-On, Fixed Vacuum Flange, Bolted, M-12 Tapped Holes, Stainless Steel These ISO-F DN 320 bored blank flanges follow vacuum technology standards as described in DIN 28404 and ISO 1609. ISO-F fixed flange vacuum fittings have a bolt circle where bolts align the two flanges. A centering ring which contains a rubber elastomeric O-ring is used to form the vacuum seal between the two flange faces. They are commonly used to build process vacuum plumbing and systems for industrial vacuum applications. The ISO standard sizes for large LF flanges are ISO-F DN 63, 80, 100, 160, 200, 250, 320, 400, 500, 630, 1000. These vacuum fittings are made of corrosive resistant 304L stainless steel. Bored Blank for 12.75 Inch O.D. (325 mm) Tubing, Flange Bolted Weld-On, M12 Tapped Holes. ISO-LF Flange Size: NW-320 Common Dimensions:A = 16.7 in. (425 mm) B = 15.5 in. (395 mm) C = 0.78 in. (20 mm) D = M12 F = 12.74 in. (323 mm) G = 12.75 in. (325 mm) Number Bolt Holes: 12

ISO-F DN 400 Bored Blank Flange, For 16 Inch O.D. (406.4 mm) Tubing, Weld-On, Fixed Vacuum Flange, Bolted, M-12 Tapped Holes, Stainless Steel These ISO-F DN 400 bored blank flanges follow vacuum technology standards as described in DIN 28404 and ISO 1609. ISO-F fixed flange vacuum fittings have a bolt circle where bolts align the two flanges. A centering ring which contains a rubber elastomeric O-ring is used to form the vacuum seal between the two flange faces. They are commonly used to build process vacuum plumbing and systems for industrial vacuum applications. The ISO standard sizes for large LF flanges are ISO-F DN 63, 80, 100, 160, 200, 250, 320, 400, 500, 630, 1000. These vacuum fittings are made of corrosive resistant 304L stainless steel. Bored Blank for 16 Inch O.D. (406.4 mm) Tubing, Flange Bolted Weld-On, M12 Tapped Holes. ISO-LF Flange Size: NW-400 Common Dimensions:A = 20.0 in. (510 mm) B = 18.8 in. (480 mm) C = 0.78 in. (20 mm) D = M12 F = 16.0 in. (406.4 mm) G = 16.0 in. (408 mm) Number Bolt Holes: 16

ISO-F DN 500 Bored Blank Flange, For 20 Inch O.D. (508 mm) Tubing, Weld-On, Fixed Vacuum Flange, Bolted, M-12 Tapped Holes, Stainless Steel These ISO-F DN 500 bored blank flanges follow vacuum technology standards as described in DIN 28404 and ISO 1609. ISO-F fixed flange vacuum fittings have a bolt circle where bolts align the two flanges. A centering ring which contains a rubber elastomeric O-ring is used to form the vacuum seal between the two flange faces. They are commonly used to build process vacuum plumbing and systems for industrial vacuum applications. The ISO standard sizes for large LF flanges are ISO-F DN 63, 80, 100, 160, 200, 250, 320, 400, 500, 630, 1000. These vacuum fittings are made of corrosive resistant 304L stainless steel. Bored Blank for 20 Inch O.D. (508 mm) Tubing, Flange Bolted Weld-On, M12 Tapped Holes. ISO-LF Flange Size: NW-500 Common Dimensions:A = 24.0 in. (610 mm) B = 22.8 in. (580 mm) C = 0.78 in. (20 mm) D = M12 F = 20.01 in. (508.4 mm) G =20.07 in. (510 mm) Number Bolt Holes: 16

ISO-F DN 630 Bored Blank Flange, For 24 Inch O.D. (609.6 mm) Tubing, Weld-On, Fixed Vacuum Flange, Bolted, M-12 Tapped Holes, Stainless Steel These ISO-F DN 630 bored blank flanges follow vacuum technology standards as described in DIN 28404 and ISO 1609. ISO-F fixed flange vacuum fittings have a bolt circle where bolts align the two flanges. A centering ring which contains a rubber elastomeric O-ring is used to form the vacuum seal between the two flange faces. They are commonly used to build process vacuum plumbing and systems for industrial vacuum applications. The ISO standard sizes for large LF flanges are ISO-F DN 63, 80, 100, 160, 200, 250, 320, 400, 500, 630, 1000. These vacuum fittings are made of corrosive resistant 304L stainless steel. Bored Blank for 24 Inch O.D. (609.6 mm) Tubing, Flange Bolted Weld-On, M12 Tapped Holes. ISO-LF Flange Size: NW-630 Common Dimensions:A = 29.5 in. (750 mm) B = 28.3 in. (720 mm) C = 0.94 in. (24 mm) D = M12 F = 24.03 in. (610.4 mm) G =24.09 in. (612 mm) Number Bolt Holes: 20

ISO-F DN 800 Bored Blank Flange, For 30 Inch O.D. (762 mm) Tubing, Weld-On, Fixed Vacuum Flange, Bolted, M-12 Tapped Holes, Stainless Steel These ISO-F DN 800 bored blank flanges follow vacuum technology standards as described in DIN 28404 and ISO 1609. ISO-F fixed flange vacuum fittings have a bolt circle where bolts align the two flanges. A centering ring which contains a rubber elastomeric O-ring is used to form the vacuum seal between the two flange faces. They are commonly used to build process vacuum plumbing and systems for industrial vacuum applications. The ISO standard sizes for large LF flanges are ISO-F DN 63, 80, 100, 160, 200, 250, 320, 400, 500, 630, 1000. These vacuum fittings are made of corrosive resistant 304L stainless steel. Bored Blank for 30 Inch O.D. (762 mm) Tubing, Flange Bolted Weld-On, M12 Tapped Holes. ISO-LF Flange Size: NW-800 Common Dimensions:A = 36.2 in. (920 mm) B = 35.0 in. (890 mm) C = 0.94 in. (24 mm) D = M12 F = 30.05 in. (763.4 mm) G =30.11 in. (765 mm) Number Bolt Holes: 24

ISO-F DN 1000 Bored Blank Flange, For 38 Inch O.D. (965.2 mm) Tubing, Weld-On, Fixed Vacuum Flange, Bolted, M-12 Tapped Holes, Stainless Steel These ISO-F DN 1000 bored blank flanges follow vacuum technology standards as described in DIN 28404 and ISO 1609. ISO-F fixed flange vacuum fittings have a bolt circle where bolts align the two flanges. A centering ring which contains a rubber elastomeric O-ring is used to form the vacuum seal between the two flange faces. They are commonly used to build process vacuum plumbing and systems for industrial vacuum applications. The ISO standard sizes for large LF flanges are ISO-F DN 63, 80, 100, 160, 200, 250, 320, 400, 500, 630, 1000. These vacuum fittings are made of corrosive resistant 304L stainless steel. Bored Blank for 38 Inch O.D. (965.2 mm) Tubing, Flange Bolted Weld-On, M12 Tapped Holes. ISO-LF Flange Size: NW-1000 Common Dimensions:A = 44.0 in. (1120 mm) B = 42.9 in. (1090 mm) C = 0.94 in. (24 mm) D = M12 F = 38.08 in. (967.4 mm) G =38.2 in. (969 mm) Number Bolt Holes: 36