Choose products to compare anywhere you see 'Add to Compare' or 'Compare' options displayed. Compare All Close Shopping cart items Shopping cart items Keyword search Search Submit search mks Search Submit search Products MKS Capacitance Manometers Compact Pressure Transducers General Purpose Pressure Transducers High Performance Pressure Transducers Industrial Pressure Transducers Reference Pressure Transducers View All Capacitance Manometers Mass Flow Controllers & Meters Mass Flow Controllers Mass Flow Meters In Situ Flow Verifiers Flow Ratio Controllers Mass Flow Controller Accessories Vacuum Gauges Vacuum Pressure Transducers Vacuum Pressure Sensors Vacuum Gauge Controllers Vacuum Gauge Accessories Vacuum Gauge Calibration Legacy Vacuum Gauges Gas Analyzers Mass Spectrometers Tunable Filter Spectrometers FTIR Gas Analyzers NDIR Gas Analyzers Vacuum Flanges & Fittings ISO-KF Flanges & Fittings ISO-MF Flanges & Fittings CF Flanges & Fittings Butt Weld Flanges & Fittings Custom Vacuum Fabrication RF & Microwave Generators Microwave Generators RF Power Generators Pressure Controllers & Valves Pressure Controllers Vacuum Isolation Valves Downstream Exhaust Throttle Valves Upstream Flow Control Valves Gate Valves Plasma & Reactive Gas Solutions Remote Plasma Sources Ozone Generators & Systems Dissolved Gas Foreline Plasma Clean Systems Automation, Control & Sensing Heater Jackets & Traps Special Offers Virtual Booth Newport Ophir Spectra-Physics Atotech ESI Solutions Semiconductor Electronics and Packaging Specialty Industrial Support Global Service Technical Support Technical Resources Contact MKS Company About MKS Investor Relations News & Media Careers Contact Contact Us Online Corporate Offices Sales & Application Support Calibration, Service & Repairs Product Technical Support Products Heater Jackets & Process Traps Heater Jackets Vacuum Fitting Heater Jackets PTFE-Teflon® Thermal Insulators PTFE Flange Insulators for ISO-KF Wing Nut Clamped Flanges 501020-0807 Flange Insulator, PTFE-Teflon®, fits NW50 ISO-KF Toggle Clamp, 2.0 in. Tubing to Hose or Bellow Model: 501020-0807 Flange Insulator, PTFE-Teflon®, fits NW50 ISO-KF Toggle Clamp, 2.0 in. Tubing to Hose or Bellow Flange Insulator, PTFE-Teflon®, fits NW50 ISO-KF Toggle Clamp, 2.0 in. Tubing to Hose or Bellow Model: 501020-0807 Contact Us Loading... Request a Quote Add to List Add to List Create a New List List Name Required Create a New List Cancel Add to List Your Saved Lists: Preferred List" selected> Add to List Create a New List List Name Required or Create a New List Cancel Add to List 1 item(s) added to 501020-0807 Flange Insulator, PTFE-Teflon®, fits NW50 ISO-KF Toggle Clamp, 2.0 in. Tubing to Hose or Bellow Continue Shopping View All Saved Lists Compare Add to List Add to List Create a New List List Name Required Create a New List Cancel Add to List Your Saved Lists: Preferred List" selected> Add to List Create a New List List Name Required or Create a New List Cancel Add to List 1 item(s) added to 501020-0807 Flange Insulator, PTFE-Teflon®, fits NW50 ISO-KF Toggle Clamp, 2.0 in. Tubing to Hose or Bellow Continue Shopping View All Saved Lists Overview Overview The 501020-0807 PTFE-Teflon® Flange Insulator is designed for use with NW50 size ISO-KF flanges with 2.0 inches vacuum tubing on one side and a hose or bellow tubing on the other side that is clamped with a model 100318806 ISO-KF toggle flange clamp. Series 49UL flange insulators keep heat from escaping at flange connections for better temperature uniformity in vacuum piping applications. PTFE-Teflon® constructed heater jackets can be used in all critical applications where minimal outgassing, ultra-low particle generation, elevated temperatures up to 200°C, and ease of installation are required. These patented heaters are constructed with fully squared ends and a form fit shape to maximize thermal efficiency and temperature uniformity, minimizing thermal losses and power consumption.
Product Series Overview PTFE Flange Insulators for ISO-KF Wing Nut Clamped Flanges Technical Specs Technical Specs Series Series 49UL Type Flange Insulator Insulation Material PTFE-Teflon Flange Size NW50 For Use With MKS Toggle Clamp 100318806 Hole 1 Inner Dimension 3.38 in. (85.8 mm) Hole 2 Inner Dimension 3.88 in. (98.5 mm) Technical Specs Series Series 49UL Type Flange Insulator Insulation Material PTFE-Teflon Flange Size NW50 For Use With MKS Toggle Clamp 100318806 Hole 1 Inner Dimension 3.38 in. (85.8 mm) Hole 2 Inner Dimension 3.88 in. (98.5 mm) Resources & Downloads Resources & Downloads Literature Series 49UL Thermal Management System (2.4 MB, PDF) Flange Insulator, PTFE-Teflon®, fits NW50 ISO-KF Toggle Clamp, 2.0 in. Tubing to Hose or Bellow PART: 501020-0807 Contact Us Loading... Request a Quote Compare Add to List Add to List Create a New List List Name Required Create a New List Cancel Add to List Your Saved Lists: Preferred List" selected> Add to List Create a New List List Name Required or Create a New List Cancel Add to List 1 item(s) added to 501020-0807 Flange Insulator, PTFE-Teflon®, fits NW50 ISO-KF Toggle Clamp, 2.0 in. Tubing to Hose or Bellow Continue Shopping View All Saved Lists Overview Technical Specs Resources & Downloads Need help? Contact an Applications Specialist by sending us an email 501020-0807 - Drawings & CAD Additional CAD file downloads are not available for this product. CAD File Downloads: Loading... Download Close Close Close 501020-0807 - Drawings Additional drawings are not available for this product. Close Close 501020-0807©2026 MKS Inc. All rights reserved.
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To access this and other valuable technical resources, please sign in or register for a new online account. Cancel Add to Cart Flange Insulator, PTFE-Teflon®, fits NW50 ISO-KF Toggle Clamp, 2.0 in. Tubing to Hose or Bellow Part: 501020-0807 Availability: Contact Us Add to Cart Also available on Newport.com Qty: Availability: Contact Us Shop at Newport.com Ultra-High Velocity Learn More Invalid VAT ID
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