Overpressure Centering Ring Seal Assemblies ISO 63, NW-63, LF63 Vacuum Fittings, Stainless Steel with Viton® O-Ring. These Overpressure centering rings include an overpressure ring and can be operated at 5-100 psig, and a replaceable Viton® O-ring rated to 180°C max. These Overpressure centering rings follow International Standards Organization (ISO) standards and have a flange size of NW-63, ISO63, LF63. ISO flange 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 NW-63, NW-80, NW-100, NW-160, NW-200, NW-250, NW-320, NW-400, NW-500, NW-630. These vacuum fittings are made of corrosive resistant stainless steel. Overpressure Centering Ring Seal Assemblies, NW-63 Vacuum Fittings, Stainless Steel with Viton® O-RingISO-LF Flange Size: NW-63Common Dimensions: A = 2.02" (51mm), B = 0.10" (3mm)

Overpressure Centering Ring Seal Assemblies ISO 80, NW-80, LF80 Vacuum Fittings, Stainless Steel with Viton® O-Ring. These Overpressure centering rings include an overpressure ring and can be operated at 5-100 psig, and a replaceable Viton® O-ring rated to 180°C max. These Over Pressure centering rings follow International Standards Organization (ISO) standards and have a flange size of NW-80, ISO80, LF80. ISO flange 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 NW-63, NW-80, NW-100, NW-160, NW-200, NW-250, NW-320, NW-400, NW-500, NW-630. These vacuum fittings are made of corrosive resistant stainless steel. Overpressure Centering Ring Seal Assemblies, NW-80 Vacuum Fittings, Stainless Steel with Viton® O-RingISO-LF Flange Size: NW-80Common Dimensions: A = 3.14" (80mm), B = 0.15" (4mm)

Overpressure Centering Ring Seal Assemblies ISO 100, NW-100, LF100 Vacuum Fittings, Stainless Steel with Viton® O-Ring. These Overpressure centering rings include an overpressure ring and can be operated at 5-100 psig, and a replaceable Viton® O-ring rated to 180°C max. These Over Pressure centering rings follow International Standards Organization (ISO) standards and have a flange size of NW-100, ISO100, LF100. ISO flange 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 NW-63, NW-80, NW-100, NW-160, NW-200, NW-250, NW-320, NW-400, NW-500, NW-630. These vacuum fittings are made of corrosive resistant stainless steel. Overpressure Centering Ring Seal Assemblies, NW-100 Vacuum Fittings, Stainless Steel with Viton® O-RingISO-LF Flange Size: NW-100Common Dimensions: A = 3.89" (99mm), B = 0.15" (4mm)

Overpressure Centering Ring Seal Assemblies ISO 160, NW-160, LF160 Vacuum Fittings, Stainless Steel with Viton® O-Ring. These Overpressure centering rings include an overpressure ring and can be operated at 5-100 psig, and a replaceable Viton® O-ring rated to 180°C max. These Overpressure centering rings follow International Standards Organization (ISO) standards and have a flange size of NW-160, ISO160, LF160. ISO flange 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 NW-63, NW-80, NW-100, NW-160, NW-200, NW-250, NW-320, NW-400, NW-500, NW-630. These vacuum fittings are made of corrosive resistant stainless steel. Overpressure Centering Ring Seal Assemblies, NW-160 Vacuum Fittings, Stainless Steel with Viton® O-RingISO-LF Flange Size: NW-160Common Dimensions: A = 5.90" (150mm), B = 0.15" (4mm)