ISO-K DN 63 Blank Flange, Claw Clamp Type Flange, Stainless Steel. These ISO-K DN 63 blank flanges follow vacuum technology standards as described in DIN 28404 and ISO 1609. ISO-K fittings are quick to assemble using claw clamps (please see figure - click to enlarge) and can be connected together in any orientation. The claw clamp hooks into a ridged groove in the back side of the ISO-K flange. 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-K DN 63, 80, 100, 160, 200, 250, 320, 400, 500, 630. These vacuum fittings are made of corrosive resistant 304L stainless steel. Blank Flange, Claw Clamp Type Flange ISO-K Flange Size: 63Recommended Number Of Claw Clamps: 4Common Dimensions: O.D. = 3.74" (95.00 mm), Thickness = 0.47" (11.90 mm)

ISO-K DN 80 Blank Flange, Claw Clamp Type Flange, Stainless Steel. These ISO-K DN 80 blank flanges follow vacuum technology standards as described in DIN 28404 and ISO 1609. ISO-K fittings are quick to assemble using claw clamps (please see figure - click to enlarge) and can be connected together in any orientation. The claw clamp hooks into a ridged groove in the back side of the ISO-K flange. 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-K DN 63, 80, 100, 160, 200, 250, 320, 400, 500, 630. These vacuum fittings are made of corrosive resistant 304L stainless steel. Blank Flange, Claw Clamp Type Flange ISO-K Flange Size: 80Recommended Number Of Claw Clamps: 8Common Dimensions: O.D. = 4.33" (110.00 mm), Thickness = 0.47" (11.90 mm)

ISO-K DN 100 Blank Flange, Claw Clamp Type Flange, Stainless Steel. These ISO-K DN 100 blank flanges follow vacuum technology standards as described in DIN 28404 and ISO 1609. ISO-K fittings are quick to assemble using claw clamps (please see figure - click to enlarge) and can be connected together in any orientation. The claw clamp hooks into a ridged groove in the back side of the ISO-K flange. 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-K DN 63, 80, 100, 160, 200, 250, 320, 400, 500, 630. These vacuum fittings are made of corrosive resistant 304L stainless steel. Blank Flange, Claw Clamp Type Flange ISO-K Flange Size: 100Recommended Number Of Claw Clamps: 8Common Dimensions: O.D. = 5.12" (130.00 mm), Thickness = 0.47" (11.90 mm)

ISO-K DN 160 Blank Flange, Claw Clamp Type Flange, Stainless Steel. These ISO-K DN 160 blank flanges follow vacuum technology standards as described in DIN 28404 and ISO 1609. ISO-K fittings are quick to assemble using claw clamps (please see figure - click to enlarge) and can be connected together in any orientation. The claw clamp hooks into a ridged groove in the back side of the ISO-K flange. 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-K DN 63, 80, 100, 160, 200, 250, 320, 400, 500, 630. These vacuum fittings are made of corrosive resistant 304L stainless steel. Blank Flange, Claw Clamp Type Flange ISO-K Flange Size: 160Recommended Number Of Claw Clamps: 8Common Dimensions: O.D. = 7.09" (180.00 mm), Thickness = 0.47" (11.90 mm)

Inficon Blank Flange, NW-160 Vacuum Fittings, ISO-LF Large Flange Size NW-160, AluminumInficon PN: 212-443These blank aluminum Inficon flanges follow International Standards Organization (ISO) standards and have a flange size of NW-160. ISO flanged vacuum fittings are commonly used to build process vacuum plumbing and systems for industrial applications. The fittings are quick to assemble using double claw clamps and a centering ring. A Viton® centering ring (sold separately) contains a rubber/elastomeric o-ring which makes the seal. ISO standard sizes for large flanges are NW-63, NW-80, NW-100, NW-160, NW-200, NW-250, NW-320, NW-400, NW-500, NW-630.

ISO-K DN 200 Blank Flange, Claw Clamp Type Flange, Stainless Steel. These ISO-K DN 200 blank flanges follow vacuum technology standards as described in DIN 28404 and ISO 1609. ISO-K fittings are quick to assemble using claw clamps (please see figure - click to enlarge) and can be connected together in any orientation. The claw clamp hooks into a ridged groove in the back side of the ISO-K flange. 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-K DN 63, 80, 100, 160, 200, 250, 320, 400, 500, 630. These vacuum fittings are made of corrosive resistant 304L stainless steel. Blank Flange, Claw Clamp Type Flange ISO-K Flange Size: 200Recommended Number Of Claw Clamps: 12Common Dimensions: O.D. = 9.45" (240.00 mm), Thickness = 0.47" (12.00 mm)

ISO-K DN 250 Blank Flange, Claw Clamp Type Flange, Stainless Steel. These ISO-K DN 250 blank flanges follow vacuum technology standards as described in DIN 28404 and ISO 1609. ISO-K fittings are quick to assemble using claw clamps (please see figure - click to enlarge) and can be connected together in any orientation. The claw clamp hooks into a ridged groove in the back side of the ISO-K flange. 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-K DN 63, 80, 100, 160, 200, 250, 320, 400, 500, 630. These vacuum fittings are made of corrosive resistant 304L stainless steel. Blank Flange, Claw Clamp Type Flange ISO-K Flange Size: 250Recommended Number Of Claw Clamps: 12Common Dimensions: O.D. = 11.42" (290.00 mm), Thickness = 0.47" (12.00 mm)

ISO-K DN 320 Blank Flange, Claw Clamp Type Flange, Stainless Steel. These ISO-K DN 320 blank flanges follow vacuum technology standards as described in DIN 28404 and ISO 1609. ISO-K fittings are quick to assemble using claw clamps (please see figure - click to enlarge) and can be connected together in any orientation. The claw clamp hooks into a ridged groove in the back side of the ISO-K flange. 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-K DN 63, 80, 100, 160, 200, 250, 320, 400, 500, 630. These vacuum fittings are made of corrosive resistant 304L stainless steel. Blank Flange, Claw Clamp Type Flange ISO-K Flange Size: 320Recommended Number Of Claw Clamps: 12Common Dimensions: O.D. = 14.57" (370.00 mm), Thickness = 0.67" (17.00 mm)

ISO-K DN 400 Blank Flange, Claw Clamp Type Flange, Stainless Steel. These ISO-K DN 400 blank flanges follow vacuum technology standards as described in DIN 28404 and ISO 1609. ISO-K fittings are quick to assemble using claw clamps (please see figure - click to enlarge) and can be connected together in any orientation. The claw clamp hooks into a ridged groove in the back side of the ISO-K flange. 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-K DN 63, 80, 100, 160, 200, 250, 320, 400, 500, 630. These vacuum fittings are made of corrosive resistant 304L stainless steel. Blank Flange, Claw Clamp Type Flange ISO-K Flange Size: 400Recommended Number Of Claw Clamps: 16Common Dimensions: O.D. = 17.72" (450.09 mm), Thickness = 0.67" (17.00 mm)

ISO-K DN 500 Blank Flange, Claw Clamp Type Flange, Stainless Steel. These ISO-K DN 500 blank flanges follow vacuum technology standards as described in DIN 28404 and ISO 1609. ISO-K fittings are quick to assemble using claw clamps (please see figure - click to enlarge) and can be connected together in any orientation. The claw clamp hooks into a ridged groove in the back side of the ISO-K flange. 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-K DN 63, 80, 100, 160, 200, 250, 320, 400, 500, 630. These vacuum fittings are made of corrosive resistant 304L stainless steel. NOTE: Due to their heavy weight, these flanges are shipped via freight. Blank Flange, Claw Clamp Type Flange ISO-K Flange Size: 500Recommended Number Of Claw Clamps: 16Common Dimensions: O.D. = 21.65" (549.91 mm)Thickness = 0.67" (17.00 mm)Weight = 125 lbs. (Ships freight only)

ISO-K DN 630 Blank Flange, Claw Clamp Type Flange, Stainless Steel. These ISO-K DN 630 blank flanges follow vacuum technology standards as described in DIN 28404 and ISO 1609. ISO-K fittings are quick to assemble using claw clamps (please see figure - click to enlarge) and can be connected together in any orientation. The claw clamp hooks into a ridged groove in the back side of the ISO-K flange. 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-K DN 63, 80, 100, 160, 200, 250, 320, 400, 500, 630. These vacuum fittings are made of corrosive resistant 304L stainless steel. NOTE: Due to their heavy weight, these flanges are shipped via freight. Claw Clamp Type, ISO-K 630 Blank FlangeRecommended Number Of Claw Clamps: 20Common Dimensions: O.D. = 27.17" (690.12 mm)Thickness = 0.87" (22.10 mm)Weight = 165 lbs. (Ships freight only)

ISO-F DN 400 Blank Flange, Fixed Vacuum Flange, Through Holes, Bolted Type Flange, Stainless Steel. These ISO-F DN 400 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. These vacuum fittings are made of corrosive resistant 304L stainless steel. ISO-F 400 Blank Flange, Bolted Type Flange, Through Holes:A = 20.08 in. (425.00)B = 15.55 in. (395.00)C = 0.79 in. (20.00) D = 0.55 in. (13.97), 16 HolesE = 30.94 in. (785.88) Other Specifications: Made of 304L Stainless Steel Has 16 Bolt Holes Bolt Hole Diameter of 0.55 in. (13.97 mm) Grooved Flange Non-Rotatable Flange Non-Bored Flange

ISO-F DN 500 Blank Flange, Fixed Vacuum Flange, Through Holes, Bolted Type Flange, Stainless Steel. These ISO-F DN 500 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. These vacuum fittings are made of corrosive resistant 304L stainless steel. ISO-F 500 Blank Flange, Bolted Type Flange, Through Holes:A = 24.02 in. (610.11)B = 22.83 in. (579.88)C = 0.79 in. (20.07) D = 0.55 in. (13.97), 16 HolesE = 30.94 in. (785.88) Other Specifications: Made of 304L Stainless Steel Has 16 Bolt Holes Bolt Hole Diameter of 0.55 in. (13.97 mm) Grooved Flange Non-Rotatable Flange Non-Bored Flange

ISO-F DN 630 Blank Flange, Fixed Vacuum Flange, Through Holes, Bolted Type Flange, Stainless Steel. These ISO-F DN 630 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. These vacuum fittings are made of corrosive resistant 304L stainless steel. ISO-F 630 Blank Flange, Bolted Type Flange, Through Holes:A = 29.53 in. (750.06)B = 28.35 in. (720.09)C = 0.94 in. (23.88) D = 0.55 in. (13.97), 20 HolesE = 30.94 in. (785.88) Other Specifications: Made of 304L Stainless Steel Has 20 Bolt Holes Bolt Hole Diameter of 0.55 in. (13.97 mm) Grooved Flange Non-Rotatable Flange Non-Bored Flange

ISO-F DN 800 Blank Flange, Fixed Vacuum Flange, Through Holes, Bolted Type Flange, Stainless Steel. These ISO-F DN 800 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, 800, and 1000. These vacuum fittings are made of corrosive resistant 304L stainless steel. ISO-F 800 Blank Flange, Bolted Type Flange, Through Holes:A = 36.20 in. (919.48 mm)B = 35.04 in. (890.02 mm)C = 0.95 in. (24.13 mm) D = 0.55 in. (13.97 mm), 24 HolesE = 30.94 in. (785.88 mm) Other Specifications: Made of 304L Stainless Steel Has 24 Bolt Holes Bolt Hole Diameter of 0.55 in. (13.97 mm) Grooved Flange Non-Rotatable Flange Non-Bored Flange

ISO-F DN 1000 Blank Flange, Fixed Vacuum Flange, Through Holes, Bolted Type Flange, Stainless Steel. These ISO-F DN 1000 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, 800, and 1000. These vacuum fittings are made of corrosive resistant 304L stainless steel. ISO-F 1000 Blank Flange, Bolted Type Flange, Through Holes, in. (mm):A = 44.08 in. (1,119.63 mm)B = 42.91 in. (1,089.91 mm)C = 0.95 in. (24.13 mm) D = 0.55 in. (13.97 mm), 32 HolesE = 38.80 in. (985.52 mm) Other Specifications: Made of 304L Stainless Steel Has 32 Bolt Holes Bolt Hole Diameter of 0.55 in. (13.97 mm) Grooved Flange Non-Rotatable Flange Non-Bored Flange

ISO-K DN 320 Bored Blank Flange, For 12 Inch O.D. (304.8 mm) Tubing, Weld-On, Claw Clamp Type Flange, Stainless Steel. These ISO-K DN 320 bored blank flanges follow vacuum technology standards as described in DIN 28404 and ISO 1609. ISO-K fittings are quick to assemble using claw clamps (please see figure - click to enlarge) and can be connected together in any orientation. The claw clamp hooks into a ridged groove in the back side of the ISO-K flange. 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-K DN 63, 80, 100, 160, 200, 250, 320, 400, 500, 630. These vacuum fittings are made of corrosive resistant 304L stainless steel. Bored Blank for 12 Inch O.D. (304.8 mm) Tubing, Claw Clamp Type Flange, Weld-On ISO-K Flange Size: 320Recommended Number Of Claw Clamps: 12Common Dimensions: A = 12.02" (305.56 mm), B = 12.52" (318.00 mm), C = 0.67" (17.02 mm)

ISO-K DN 320 Bored Blank Flange, For 12.75 Inch O.D. (323.8 mm) Tubing, Weld-On, Claw Clamp Type Flange, Stainless Steel. These ISO-K DN 320 bored blank flanges follow vacuum technology standards as described in DIN 28404 and ISO 1609. ISO-K fittings are quick to assemble using claw clamps (please see figure - click to enlarge) and can be connected together in any orientation. The claw clamp hooks into a ridged groove in the back side of the ISO-K flange. 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-K DN 63, 80, 100, 160, 200, 250, 320, 400, 500, 630. These vacuum fittings are made of corrosive resistant 304L stainless steel. Bored Blank for 12.75 Inch O.D. (323.8 mm) Tubing, Claw Clamp Type Flange, Weld-On ISO-K Flange Size: 320Recommended Number Of Claw Clamps: 12Common Dimensions: A = 12.77" (324.40 mm), B = 12.52" (318.00 mm), C = 0.67" (17.02 mm)

ISO-K DN 400 Bored Blank Flange, For 16 Inch O.D. (406.4 mm) Tubing, Weld-On, Claw Clamp Type Flange, Stainless Steel. These ISO-K DN 400 bored blank flanges follow vacuum technology standards as described in DIN 28404 and ISO 1609. ISO-K fittings are quick to assemble using claw clamps (please see figure - click to enlarge) and can be connected together in any orientation. The claw clamp hooks into a ridged groove in the back side of the ISO-K flange. 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-K DN 63, 80, 100, 160, 200, 250, 320, 400, 500, 630. These vacuum fittings are made of corrosive resistant 304L stainless steel. Bored Blank for 16 Inch O.D. (406.4 mm) Tubing, Claw Clamp Type Flange, Weld-On ISO-K Flange Size: 400Recommended Number Of Claw Clamps: 16Common Dimensions: A = 16.02" (406.91 mm), B = 15.74" (400.00 mm), C = 0.67" (17.02 mm)

ISO-K DN 500 Bored Blank Flange, For 20 Inch O.D. (508.0 mm) Tubing, Weld-On, Claw Clamp Type Flange, Stainless Steel. These ISO-K DN 500 bored blank flanges follow vacuum technology standards as described in DIN 28404 and ISO 1609. ISO-K fittings are quick to assemble using claw clamps (please see figure - click to enlarge) and can be connected together in any orientation. The claw clamp hooks into a ridged groove in the back side of the ISO-K flange. 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-K DN 63, 80, 100, 160, 200, 250, 320, 400, 500, 630. These vacuum fittings are made of corrosive resistant 304L stainless steel. Bored Blank for 20 Inch O.D. (508.0 mm) Tubing, Claw Clamp Type Flange, Weld-On ISO-K Flange Size: 500Recommended Number Of Claw Clamps: 16Common Dimensions: A = 20.02" (508.51 mm), B = 19.72" (500.99 mm), C = 0.67" (17.02 mm)

ISO-K DN 630 Bored Blank Flange, For 24 Inch O.D. (609.6 mm) Tubing, Weld-On, Claw Clamp Type Flange, Stainless Steel. These ISO-K DN 630 bored blank flanges follow vacuum technology standards as described in DIN 28404 and ISO 1609. ISO-K fittings are quick to assemble using claw clamps (please see figure - click to enlarge) and can be connected together in any orientation. The claw clamp hooks into a ridged groove in the back side of the ISO-K flange. 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-K DN 63, 80, 100, 160, 200, 250, 320, 400, 500, 630. These vacuum fittings are made of corrosive resistant 304L stainless steel. Bored Blank for 24 Inch O.D. (609.6 mm) Tubing, Claw Clamp Type Flange, Weld-On ISO-K Flange Size: 630Recommended Number Of Claw Clamps: 20Common Dimensions: A = 24.02" (610.11 mm), B = 25.63" (651.00 mm), C = 0.87" (22.10 mm)

ISO-F DN 320 Bored Blank Flange, For 12.75 Inch (323.8 mm) O.D. Tubing, Weld-On, Fixed Vacuum Flange, Through Holes, Bolted, 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. These vacuum fittings are made of corrosive resistant 304L stainless steel. Bored Blank for 12.75 Inch (323.8 mm) O.D. Tubing, Flange Bolted Weld-On, Through Holes ISO-F Flange Size: 320Number Bolt Holes: 12Common Dimensions: A = 16.73" (425.00 mm), B = 12.51" (318.00 mm), C = 0.79" (20.00 mm)

ISO-F DN 320 Bored Blank Flange, For 12.0 Inch (323.8 mm) O.D. Tubing, Weld-On, Fixed Vacuum Flange, Through Holes, Bolted, 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. These vacuum fittings are made of corrosive resistant 304L stainless steel. Bored Blank for 12.0 Inch (323.8 mm) O.D. Tubing, Flange Bolted Weld-On, Through Holes ISO-F Flange Size: 320Number Bolt Holes: 12Common Dimensions: A = 16.73" (425.00 mm), B = 13" (318.00 mm), C = 0.79" (20.00 mm)

ISO-F DN 400 Bored Blank Flange, For 16 Inch O.D. (406.4 mm) Tubing, Weld-On, Fixed Vacuum Flange, Through Holes, Bolted, 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. 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, Through Holes ISO-F Flange Size: 400Number Bolt Holes: 16Common Dimensions: A = 20.0" (510.03 mm), B = 15.62" (396.75 mm), C = 0.79" (20.07 mm)

ISO-F DN 500 Bored Blank Flange, For 20 Inch O.D. (508.0 mm) Tubing, Weld-On, Fixed Vacuum Flange, Through Holes, Bolted, 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. These vacuum fittings are made of corrosive resistant 304L stainless steel. Bored Blank for 20 Inch O.D. (508.0 mm) Tubing, Flange Bolted Weld-On, Through Holes ISO-F Flange Size: 500Number Bolt Holes: 16Common Dimensions: A = 24.02" (610.11 mm), B = 19.62" (498.35 mm), C = 0.79" (20.07 mm)

ISO-F DN 630 Bored Blank Flange, For 24 Inch O.D. (609.6 mm) Tubing, Weld-On, Fixed Vacuum Flange, Through Holes, Bolted, 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. 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, Through HolesISO-F Flange Size: 630Number Bolt Holes: 20Common Dimensions:A = 29.53" (750.06 mm)B = 23.80" (604.77 mm)C = 0.94" (23.88 mm)

ISO-F DN 800 Bored Blank Flange, For 30 Inch O.D.Tubing, Weld-On, Fixed Vacuum Flange, Through Holes, Bolted, 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, 800, 1000. These vacuum fittings are made of corrosive resistant 304L stainless steel. Bored Blank for 30 Inch O.D. Tubing, Flange Bolted Weld-On, Through HolesISO-F Flange Size: 800Number Bolt Holes: 24Common Dimensions:A = 36.22" (919.99 mm)B = 29.72" (754.89 mm)C = 0.94" (23.88 mm)

ISO-F DN 1000 Bored Blank Flange, For 38 Inch O.D.Tubing, Weld-On, Fixed Vacuum Flange, Through Holes, Bolted, 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, 800, 1000. These vacuum fittings are made of corrosive resistant 304L stainless steel. Bored Blank for 38 Inch O.D. Tubing, Flange Bolted Weld-On, Through Holes ISO-F Flange Size: 1000Number Bolt Holes: 38Common Dimensions:A = 44.094" (1,119.99) mm)B = 37.650" (956.31mm)C = 0.94" (23.88 mm)