Centering Ring, Spacer and Screen, LF-63, ISO NW63 Vacuum Fittings, Stainless Steel with Viton O-Ring LF-63 Vacuum Fittings. These centering rings with a screen are used to filter the vacuum flow and keep objects from being sucked into your vacuum pump. They follow International Standards Organization (ISO) standards and have a flange size of LF-63, NW63. 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 (please see top right figure - click to enlarge). The Viton® centering ring contains a rubber/elastomeric o-ring. The ISO standard sizes for large flanges are LF-63, LF-80, LF-100, LF-160. These vacuum fittings are made of corrosive resistant 304 stainless steel and Stainless Steel 72 Mesh. Centering Ring with Screen, ISO NW63, LF-63 Vacuum Fittings, Stainless Steel with Viton® O-Ring ISO-LF Flange Size: LF-63 Common Dimensions: A = 2.50 (99mm) B = 0.15 (4mm)

Centering Ring Assembly DN 63 ISO-LF, with Fixed 30 Mesh Screen, ISO-63 Stainless Steel & Viton O-Ring These DN 63 ISO-LF centering rings with fixed 30 mesh screen and Viton O-ring follow ISO-LF standards and have a flange size of ISO-63. These centering rings, with non-removeable 30 mesh screen, are useful in many situations in which a vacuum system or instrument needs to be protected from contamination by particulates generated from outside the system or from within. They are commonly used in between a turbo pump and foreline. These corrosion resistant stainless steel centering rings have an external Viton O-ring attached. Viton® is well known for its excellent resistance to heat (400°F/200°C) and to aggressive fuels and chemicals. Viton® is a registered trademark of DuPont Performance Elastomers.Dimensions: A= 60.5 mm B= 69.6 mm C= 3.9 mm Sieve Size=0.5 mm Centering Ring Assembly DN 63 ISO-LF, with Screen and NO Outside Spacer, ISO-63 Stainless Steel & Viton® O-Ring

Centering Ring Assembly DN 63 ISO-LF, with Removable 30 Mesh Screen, ISO-63 Stainless Steel & Viton O-RingThese DN 63 ISO-LF centering rings with removeable 30 mesh screen and Viton O-ring follow ISO-LF standards and have a flange size of ISO-63. The screen in these centering rings is secured by a snap ring. These centering rings are useful in many situations in which a vacuum system or instrument needs to be protected from contamination by particulates generated from outside the system or from within. They are commonly used in between a turbo pump and foreline. These corrosion resistant stainless steel centering rings have an external Viton O-ring attached. Viton® is well known for its excellent resistance to heat (400°F/200°C) and to aggressive fuels and chemicals. Viton® is a registered trademark of DuPont Performance Elastomers.Dimensions: A= 60.5 mm B= 69.6 mm C= 3.9 mm Sieve Size=0.5 mm Centering Ring Assembly DN 63 ISO-LF, with Removable Screen, and NO outside spacer, ISO-63 Stainless Steel & Viton® O-Ring

Centering Ring, Spacer and Screen, LF-80, ISO NW80 Vacuum Fittings, Stainless Steel with Viton O-Ring LF-80 Vacuum Fittings. These centering rings with a screen are used to filter the vacuum flow and keep objects from being sucked into your vacuum pump. They follow International Standards Organization (ISO) standards and have a flange size of LF-80, NW80. 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 (please see top right figure - click to enlarge). The Viton® centering ring contains a rubber/elastomeric o-ring. The ISO standard sizes for large flanges are LF-63, LF-80, LF-100, LF-160. These vacuum fittings are made of corrosive resistant 304 stainless steel and Stainless Steel 72 Mesh. Centering Ring with Screen, ISO NW80,LF-80 Vacuum Fittings, Stainless Steel with Viton® O-Ring ISO-LF Flange Size: LF-80 Common Dimensions: A = 3.00 (99mm) B = 0.15 (4mm)

Centering Ring Assembly DN 80 ISO-LF, with Fixed 30 Mesh Screen, ISO-80 Stainless Steel & Viton O-RingThese DN 80 ISO-LF centering rings with fixed 30 mesh screen and Viton O-ring follow ISO-LF standards and have a flange size of ISO-80. These centering rings, with non-removeable 30 mesh screen, are useful in many situations in which a vacuum system or instrument needs to be protected from contamination by particulates generated from outside the system or from within. They are commonly used in between a turbo pump and foreline. These corrosion resistant stainless steel centering rings have an external Viton O-ring attached. Viton® is well known for its excellent resistance to heat (400°F/200°C) and to aggressive fuels and chemicals. Viton® is a registered trademark of DuPont Performance Elastomers.Dimensions: A= 73.6 mm B= 82.6 mm C= 3.9 mm Sieve Size=0.5 mm Centering Ring Assembly DN 80 ISO-LF, with Screen and NO Outside Spacer, ISO-80 Stainless Steel & Viton® O-Ring

Centering Ring Assembly DN 80 ISO-LF, with Removable 30 Mesh Screen, ISO-80 Stainless Steel & Viton O-RingThese DN 80 ISO-LF centering rings with removeable 30 mesh screen and Viton O-ring follow ISO-LF standards and have a flange size of ISO-80. The screen in these centering rings is secured by a snap ring. These centering rings are useful in many situations in which a vacuum system or instrument needs to be protected from contamination by particulates generated from outside the system or from within. They are commonly used in between a turbo pump and foreline. These corrosion resistant stainless steel centering rings have an external Viton O-ring attached. Viton® is well known for its excellent resistance to heat (400°F/200°C) and to aggressive fuels and chemicals. Viton® is a registered trademark of DuPont Performance Elastomers.Dimensions: A= 73.6 mm B= 82.6 mm C= 3.9 mm Sieve Size=0.5 mm Centering Ring Assembly DN 80 ISO-LF, with Removable Screen, and NO outside spacer, ISO-80 Stainless Steel & Viton® O-Ring

Centering Ring, Spacer and Screen, LF-100, ISO NW100 Vacuum Fittings, Stainless Steel with Viton O-Ring LF-100 Vacuum Fittings. These centering rings with a screen are used to filter the vacuum flow and keep objects from being sucked into your vacuum pump. They follow International Standards Organization (ISO) standards and have a flange size of LF-100, ISO NW100. 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. The Viton® centering ring contains a rubber/elastomeric o-ring. The ISO standard sizes for large flanges are LF-63, LF-80, LF-100, LF-160. These vacuum fittings are made of corrosive resistant 304 stainless steel and Stainless Steel 72 Mesh. Centering Ring with Screen, ISO NW-100, LF-100 Vacuum Fittings, Stainless Steel with Viton® O-Ring ISO-LF Flange Size: LF-100 Common Dimensions: A = 3.75 (99mm) B = 0.15 (4mm)

Centering Ring Assembly DN 100 ISO-LF, With Screen No Spacer, NW-100 Stainless Steel & Viton O-RingThese DN 100 ISO-LF centering rings with fixed 30 mesh screen and Viton O-ring follow ISO-LF standards and have a flange size of ISO-100. These centering rings, with non-removeable 30 mesh screen, are useful in many situations in which a vacuum system or instrument needs to be protected from contamination by particulates generated from outside the system or from within. They are commonly used in between a turbo pump and foreline. These corrosion resistant stainless steel centering rings have an external Viton O-ring attached. Viton® is well known for its excellent resistance to heat (400°F/200°C) and to aggressive fuels and chemicals. Viton® is a registered trademark of DuPont Performance Elastomers.Dimensions: A= 91.8 mm B= 101.6 mm C= 3.9 mm Sieve Size=0.5 mm Centering Ring Assembly DN 100 ISO-LF, with Screen and NO Outside Spacer, ISO-100 Stainless Steel & Viton® O-Ring

Centering Ring Assembly DN 100 ISO-LF, with Removable 30 Mesh Screen, ISO-100 Stainless Steel & Viton O-RingThese DN 100 ISO-LF centering rings with removeable 30 mesh screen and Viton O-ring follow ISO-LF standards and have a flange size of ISO-100. The screen in these centering rings is secured by a snap ring. These centering rings are useful in many situations in which a vacuum system or instrument needs to be protected from contamination by particulates generated from outside the system or from within. They are commonly used in between a turbo pump and foreline. These corrosion resistant stainless steel centering rings have an external Viton O-ring attached. Viton® is well known for its excellent resistance to heat (400°F/200°C) and to aggressive fuels and chemicals. Viton® is a registered trademark of DuPont Performance Elastomers.Dimensions: A= 91.8 mm B= 101.6 mm C= 3.9 mm Sieve Size=0.5 mm Centering Ring Assembly DN 100 ISO-LF, with Removable Screen, and NO outside spacer, ISO-100 Stainless Steel & Viton® O-Ring

Centering Ring, Spacer and Screen, LF-160, ISO NW160 Vacuum Fittings, Stainless Steel with Viton O-Ring LF-160 Vacuum Fittings. These centering rings with a screen are used to filter the vacuum flow and keep objects from being sucked into your vacuum pump. They follow International Standards Organization (ISO) standards and have a flange size of LF-160, NW ISO-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. The Viton® centering ring contains a rubber/elastomeric o-ring. The ISO standard sizes for large flanges are LF-63, LF-80, LF-100, LF-160. These vacuum fittings are made of corrosive resistant 304 stainless steel and Stainless Steel 72 Mesh. Centering Ring with Screen, ISO NW-160, LF-160 Vacuum Fittings, Stainless Steel with Viton® O-Ring ISO-LF Flange Size: LF-160 Common Dimensions: A = 5.77 (99mm) B = 0.15 (4mm)

Centering Ring Assembly DN 160 ISO-LF, With Screen No Spacer, NW-160 Stainless Steel & Viton O-RingThese DN 160 ISO-LF centering rings with fixed 30 mesh screen and Viton O-ring follow ISO-LF standards and have a flange size of ISO-160. These centering rings, with non-removeable 30 mesh screen, are useful in many situations in which a vacuum system or instrument needs to be protected from contamination by particulates generated from outside the system or from within. They are commonly used in between a turbo pump and foreline. These corrosion resistant stainless steel centering rings have an external Viton O-ring attached. Viton® is well known for its excellent resistance to heat (400°F/200°C) and to aggressive fuels and chemicals. Viton® is a registered trademark of DuPont Performance Elastomers.Dimensions: A= 143.5 mm B= 152.6 mm C= 3.9 mm Sieve Size=0.5 mm Centering Ring Assembly DN 160 ISO-LF, with Screen and NO Outside Spacer, ISO-160 Stainless Steel & Viton® O-Ring

Centering Ring Assembly DN 160 ISO-LF, with Removable 30 Mesh Screen, ISO-160 Stainless Steel & Viton O-RingThese DN 160 ISO-LF centering rings with removeable 30 mesh screen and Viton O-ring follow ISO-LF standards and have a flange size of ISO-160. The screen in these centering rings is secured by a snap ring. These centering rings are useful in many situations in which a vacuum system or instrument needs to be protected from contamination by particulates generated from outside the system or from within. They are commonly used in between a turbo pump and foreline. These corrosion resistant stainless steel centering rings have an external Viton O-ring attached. Viton® is well known for its excellent resistance to heat (400°F/200°C) and to aggressive fuels and chemicals. Viton® is a registered trademark of DuPont Performance Elastomers.Dimensions: A= 143.5 mm B= 152.6 mm C= 3.9 mm Sieve Size=0.5 mm Centering Ring Assembly DN 160 ISO-LF, with Removable Screen, and NO outside spacer, ISO-160 Stainless Steel & Viton® O-Ring