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 Pressure Controllers and Valves Valves Vacuum Isolation Valves LoPro™ Bellows Vacuum Isolation Valves LPV1-50-AK-MNVN Poppet Valve, LoPro, NW50 ISO-KF, Angle Ports, Viton Seals, Manual Model: LPV1-50-AK-MNVN Poppet Valve, LoPro, NW50 ISO-KF, Angle Ports, Viton Seals, Manual Poppet Valve, LoPro, NW50 ISO-KF, Angle Ports, Viton Seals, Manual Model: LPV1-50-AK-MNVN 15 Weeks 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 LPV1-50-AK-MNVN Poppet Valve, LoPro, NW50 ISO-KF, Angle Ports, Viton Seals, Manual 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 LPV1-50-AK-MNVN Poppet Valve, LoPro, NW50 ISO-KF, Angle Ports, Viton Seals, Manual Continue Shopping View All Saved Lists Overview Overview The LoPro™ LPV1-50-AK-MNVN Vacuum Valve with an angle body configuration, ISO-KF NW50 flanges, Viton seals has manual actuation. It has a small footprint that fits easily into existing, and new, vacuum systems. A formed stainless steel bellows prevents outgassing, virtual leaks, and particle entrapment between bellows convolutions that extends the valves life cycle over a conventional O-ring shaft sealed valve.
Product Series Overview LoPro™ Bellows Vacuum Isolation Valves Technical Specs Technical Specs Type Low-profile, Single-stage, Bellows-sealed Poppet Valve Vacuum Range Atmosphere to 1.0 x 10-9 Torr Body Configuration Angle Port Size NW50 Flange Size NW50 Flange Type ISO-KF Helium Leak Rate 1.0 x 10-9 std cc/sec Actuation Manual Limit Switch No Seal Viton Cylinder Volume 6.4 in3 Cylinder Air Pressure 90 psig ± 30 psig Maximum Internal Spring Closing Pressure 60 psia Maximum Bakeout Temperature 150°C Typical Life 1,000,000 cycles Weight 6.4 lbs. Technical Specs Type Low-profile, Single-stage, Bellows-sealed Poppet Valve Vacuum Range Atmosphere to 1.0 x 10-9 Torr Body Configuration Angle Port Size NW50 Flange Size NW50 Flange Type ISO-KF Helium Leak Rate 1.0 x 10-9 std cc/sec Actuation Manual Limit Switch No Seal Viton Cylinder Volume 6.4 in3 Cylinder Air Pressure 90 psig ± 30 psig Maximum Internal Spring Closing Pressure 60 psia Maximum Bakeout Temperature 150°C Typical Life 1,000,000 cycles Weight 6.4 lbs. Resources & Downloads Resources & Downloads Literature LoPro™ Compact Vacuum Valves (218.8 kB, PDF) Poppet Valve, LoPro, NW50 ISO-KF, Angle Ports, Viton Seals, Manual PART: LPV1-50-AK-MNVN 15 Weeks 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 LPV1-50-AK-MNVN Poppet Valve, LoPro, NW50 ISO-KF, Angle Ports, Viton Seals, Manual Continue Shopping View All Saved Lists Overview Technical Specs Resources & Downloads Need help? Contact an Applications Specialist by sending us an email LPV1-50-AK-MNVN - Drawings & CAD Additional CAD file downloads are not available for this product. CAD File Downloads: Loading... Download Close Close Close LPV1-50-AK-MNVN - Drawings Additional drawings are not available for this product. Close Close LPV1-50-AK-MNVN©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 Poppet Valve, LoPro, NW50 ISO-KF, Angle Ports, Viton Seals, Manual Part: LPV1-50-AK-MNVN Availability: 15 Weeks Add to Cart Also available on Newport.com Qty: Availability: 15 Weeks Shop at Newport.com Ultra-High Velocity Learn More Invalid VAT ID
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