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Sight Glass, Lights and Flow Indicators
New Sight Flow Products including sanitary clamps, hygienic bubble traps and visual flow indicators
Lumiglas® Low Maintenance LED Light USL 35-LED
Rigid Fiber Optic Light For Sight & Light Combo
Lumiglas® Low Maintenance LED Light ASL55-LED & ESL55-LED
Hygienic Gasket Resists CIP/SIP and Avoids Intrusion
Hygienic Bubble Trap Meets Pharmaceutical Needs
Flow Indicator Heating Jackets
Biogas Sight Glass with Light, Wiper and Camera System
Stainless Sanitary Fittings - Safety Clamp Increases Operator Safety & Security
Lumiglas® Lumiflex EX Fiber Optic Sight/Light Combo
TCI ClampConnect ™Eliminates Dead Leg w/ Sanitary Connection
Ex Lights, Luminaires, Sight Glass Light Products
Lumiglas® Luminaire Series ASL 55-LED Ex
Lumiglas® Stainless Compact Light Series ESL 26-EX
Lumiglas® Stainless Mini-Ex Light Series ESL 25-EX
Lumiglas® High Intensity UL Listed EX Series USL 08-EX
Lumiglas® Aluminum Compact Light Series USL 06-EX
Lumiglas® Intrinsically Safe Rectangular Light Series REL-01
Biogas Sight Glass with Light, Wiper and Camera System
Lumiglas® Aluminum Mini-Ex Light Series USL 05-EX
Lumiglas® Lumiflex EX Fiber Optic Sight/Light Combo
Lumiglas® High Intensity EX Light Series USL 07-EX
Lumiglas® Sanitary Mini-EX LightSeries USL 05-EX
Non-Ex Lights, Luminaires, Sight Glass Light Products
Lumiglas® Aluminum Compact Luminaire Series USL 05
Lumiglas® Low Maintenance LED Light USL 35-LED
Lumiglas® Stainless Compact Luminaire Series USL 13/33
Sanitary Light Port with MetaClamp® Series USL 33 & 35
Sanitary Light Port for Large Vessels Series ESL 39
Rigid Fiber Optic Light For Sight & Light Combo
Lumiglas® Stainless Mini-Luminaire Series USL 01
Lumiglas® Low Maintenance LED Light ASL55-LED & ESL55-LED
Fiber Optic Light For High Intensity Sight & Light Combo
Lumiglas® Stainless Compact Luminaire Series USL 15/35
Cordless Light Provides High Intensity Light for Portable Vessels
Lumiglas® Moderate-Sized Luminaire Series USL 06
Lumiglas® View/Light Combo Hinged Sight Glass Series SKS
Lumiglas® High Intensity Luminaire Series USL 07
Lumistar Sight/Light Port Combo for Series DIN 28120
Series MV-ME Stainless View/Light Combo for Sight Glass
Borosilicate Sight Glass Products for Sight Window and Visual Flow Indicator Applications
Hinged Sight Glass Access Port - Metaglas® Sanitary MetaClamp®
Metaglas® Full Glass Window for Glass Lined Reactors
Sanitary Light Port with MetaClamp® Series USL 33 & 35
Metaglas® Discs The Optics of Glass The Strength of Steel
Sight Glass - Metaglas® Hinged Sight Glass
Metaglas® Sanitary Sight Window Series MetaClamp®
Metaglas® Aseptic Two Piece Sight Glass Series NA.99
Heated MetaClamp® Provides Non-Intrusive Fog-Free Viewing
Lumiglas® Sanitary Mini-EX LightSeries USL 05-EX
Metaglas® Aseptic Sight GlassSeries NA Flush Mount
Flow Indicators - Metaglas® Sanitary Inline Sight Glass with MetaClamp®
Sanitary Sight Glasses, Sight Ports, Flow Indicators and Clamps
Hinged Sight Glass Access Port - Metaglas® Sanitary MetaClamp®
Sanitary Light Port with MetaClamp® Series USL 33 & 35
Sanitary Light Port for Large Vessels Series ESL 39
Flow Indicators - Sterile View Thru Flow Indicator for Hygienic Applications
Fiber Optic Light For High Intensity Sight & Light Combo
Hygienic Bubble Trap Meets Pharmaceutical Needs
Metaglas® Sanitary Sight Window Series MetaClamp®
Metaglas® Aseptic Two Piece Sight Glass Series NA.99
Flow Indicators - Sterile Full-View Flow Indicator for Hygienic Applications
Lumiglas® Sanitary Mini-EX LightSeries USL 05-EX
Lumiglas® Low-Cost Weld-Neck Sight Port Series MV
Metaglas® Aseptic Sight GlassSeries NA Flush Mount
Flow Indicators - Metaglas® Sanitary Inline Sight Glass with MetaClamp®
Biogas Sight Glass System for Digester Tanks
Lumiglas® Stainless Mini-Ex Light Series ESL 25-EX
Biogas Sight Glass with Light, Wiper and Camera System
Video Camera for Viewing Inside Vessels & Reactors
Lumiglas® Aluminum Mini-Ex Light Series USL 05-EX
Flow Indicator Products - Standard View, Full View and View Through
Flow Indicators - Sterile View Thru Flow Indicator for Hygienic Applications
Flow Indicators - Standard & Full-View In-Line Visual Flow Indicators
Flow Indicators - Teflon® Lined Visual Flow Indicator for Aggresive Products
Flow Indicator Heating Jackets
Flow Indicators - Sterile Full-View Flow Indicator for Hygienic Applications
Flow Indicators - Metaglas® Sanitary Inline Sight Glass with MetaClamp®
Sight Glass Products
Hinged Sight Glass Access Port - Metaglas® Sanitary MetaClamp®
Obround Weld-On Sight Glass for Level Indication
Rectangular Weld-On for Level Indication
Sight Glass - Lumiglas® Weld-On Sight Glass
Sight Glass - Lumiglas® Hi-Pressure Weld-On
Sight Glass - Circular Bolt-On Sight Glass
Sight Glass - Metaglas® Hinged Sight Glass
Metaglas® Sanitary Sight Window Series MetaClamp®
Lumiglas® View/Light Combo Hinged Sight Glass Series SKS
Metaglas® Aseptic Two Piece Sight Glass Series NA.99
Lumiglas® Low-Cost Weld-Neck Sight Port Series MV
Magnetic and Weld-On Level Gage Products
Rectangular Weld-On for Level Indication
Magnetic Level Gage for Clear, Safe Visual Level Indication
Sanitary Fittings and Sanitary Connection Products
Stainless Sanitary Fittings - Hygienic Clamps for Sanitary Connections
Stainless Sanitary Fittings - ASME Section VIII Hygienic Clamps for Sanitary Connections
Stainless Sanitary Fittings - SH Single-Bolt Type Hygienic Clamps for Sanitary Connections
Stainless Sanitary Fittings - Lock-Out Clamp Assures Limited Access to Pipeline
Stainless Sanitary Fittings - SH Double-Bolt Type Hygienic Clamps for Sanitary Connections
Stainless Sanitary Fittings - Safety Clamp Increases Operator Safety & Security
Video Camera Systems for Tanks, Vessels, Reactors and Hazardous Locations
Biogas Sight Glass with Light, Wiper and Camera System
Video Camera for Viewing Inside Vessels & Reactors
EX Video Camera for Monitoring in Hazardous Locations
Gauge Glass - Borosilicate Products and Accessories
Gauge Glass Mica Shields Protect Against Steam & Corrosion
Gauge Glass Available in Transparent, Reflex and High Pressure
Gauge Glass Gaskets in Non-Asbestos, Gylon® and Graphite
Accessories for Sight Glass, Ex and Non-Ex Lights and Sanitary Fittings
Wiper Type I Assembly for Lumiglas® Ports and Custom Sizes
Spray Ring to Clean ANSI Flange Mounted Sight Glasses
Metaglas® Discs The Optics of Glass The Strength of Steel
Remote Timer for all EX and Non-EX Lights
Internal Timer for EX and Non-EX Lights Series USL 06 & USL 07
Hygienic Gasket Resists CIP/SIP and Avoids Intrusion
Spray Nozzle to Clean DIN28120 Weld-On Sight Glasses
Flow Indicator Heating Jackets
Wiper Type II Assembly for Lumiglas® Sight Window DIN 28120
Glass Discs For Lumiglas® Ports and Custom Sizes
TCI ClampConnect ™Eliminates Dead Leg w/ Sanitary Connection
Hygienic Bubble Traps for Sanitary and Pharmaceutical Applications
Hygienic Bubble Trap Meets Pharmaceutical Needs
Technical Data
Engineering Truths Checklist
Standards Compliance
Competitor Sight Glass Equivalents
Data Sheets
New Sight Flow Products including sanitary clamps, hygienic bubble traps and visual flow indicators
Lumiglas® Low Maintenance LED Light USL 35-LED
Rigid Fiber Optic Light For Sight & Light Combo
Lumiglas® Low Maintenance LED Light ASL55-LED & ESL55-LED
Hygienic Gasket Resists CIP/SIP and Avoids Intrusion
Hygienic Bubble Trap Meets Pharmaceutical Needs
Flow Indicator Heating Jackets
Biogas Sight Glass with Light, Wiper and Camera System
Stainless Sanitary Fittings - Safety Clamp Increases Operator Safety & Security
Lumiglas® Lumiflex EX Fiber Optic Sight/Light Combo
TCI ClampConnect ™Eliminates Dead Leg w/ Sanitary Connection
Ex Lights, Luminaires, Sight Glass Light Products
Lumiglas® Luminaire Series ASL 55-LED Ex
Lumiglas® Stainless Compact Light Series ESL 26-EX
Lumiglas® Stainless Mini-Ex Light Series ESL 25-EX
Lumiglas® High Intensity UL Listed EX Series USL 08-EX
Lumiglas® Aluminum Compact Light Series USL 06-EX
Lumiglas® Intrinsically Safe Rectangular Light Series REL-01
Lumiglas® Aluminum Mini-Ex Light Series USL 05-EX
Lumiglas® High Intensity EX Light Series USL 07-EX
Non-Ex Lights, Luminaires, Sight Glass Light Products
Lumiglas® Aluminum Compact Luminaire Series USL 05
Lumiglas® Stainless Compact Luminaire Series USL 13/33
Sanitary Light Port with MetaClamp® Series USL 33 & 35
Sanitary Light Port for Large Vessels Series ESL 39
Lumiglas® Stainless Mini-Luminaire Series USL 01
Fiber Optic Light For High Intensity Sight & Light Combo
Lumiglas® Stainless Compact Luminaire Series USL 15/35
Cordless Light Provides High Intensity Light for Portable Vessels
Lumiglas® Moderate-Sized Luminaire Series USL 06
Lumiglas® View/Light Combo Hinged Sight Glass Series SKS
Lumiglas® High Intensity Luminaire Series USL 07
Lumistar Sight/Light Port Combo for Series DIN 28120
Series MV-ME Stainless View/Light Combo for Sight Glass
Borosilicate Sight Glass Products for Sight Window and Visual Flow Indicator Applications
Hinged Sight Glass Access Port - Metaglas® Sanitary MetaClamp®
Metaglas® Full Glass Window for Glass Lined Reactors
Metaglas® Discs The Optics of Glass The Strength of Steel
Sight Glass - Metaglas® Hinged Sight Glass
Metaglas® Sanitary Sight Window Series MetaClamp®
Metaglas® Aseptic Two Piece Sight Glass Series NA.99
Heated MetaClamp® Provides Non-Intrusive Fog-Free Viewing
Flow Indicators - Metaglas® Sanitary Inline Sight Glass with MetaClamp®
Sanitary Sight Glasses, Sight Ports, Flow Indicators and Clamps
Flow Indicators - Sterile View Thru Flow Indicator for Hygienic Applications
Flow Indicators - Sterile Full-View Flow Indicator for Hygienic Applications
Lumiglas® Low-Cost Weld-Neck Sight Port Series MV
Biogas Sight Glass System for Digester Tanks
Video Camera for Viewing Inside Vessels & Reactors
Flow Indicator Products - Standard View, Full View and View Through
Flow Indicators - Standard & Full-View In-Line Visual Flow Indicators
Flow Indicators - Teflon® Lined Visual Flow Indicator for Aggresive Products
Sight Glass Products
Obround Weld-On Sight Glass for Level Indication
Rectangular Weld-On for Level Indication
Sight Glass - Lumiglas® Weld-On Sight Glass
Sight Glass - Lumiglas® Hi-Pressure Weld-On
Sight Glass - Circular Bolt-On Sight Glass
Magnetic and Weld-On Level Gage Products
Magnetic Level Gage for Clear, Safe Visual Level Indication
Sanitary Fittings and Sanitary Connection Products
Stainless Sanitary Fittings - Hygienic Clamps for Sanitary Connections
Stainless Sanitary Fittings - ASME Section VIII Hygienic Clamps for Sanitary Connections
Stainless Sanitary Fittings - SH Single-Bolt Type Hygienic Clamps for Sanitary Connections
Stainless Sanitary Fittings - Lock-Out Clamp Assures Limited Access to Pipeline
Stainless Sanitary Fittings - SH Double-Bolt Type Hygienic Clamps for Sanitary Connections
Video Camera Systems for Tanks, Vessels, Reactors and Hazardous Locations
EX Video Camera for Monitoring in Hazardous Locations
Gauge Glass - Borosilicate Products and Accessories
Gauge Glass Mica Shields Protect Against Steam & Corrosion
Accessories for Sight Glass, Ex and Non-Ex Lights and Sanitary Fittings
Wiper Type I Assembly for Lumiglas® Ports and Custom Sizes
Spray Ring to Clean ANSI Flange Mounted Sight Glasses
Remote Timer for all EX and Non-EX Lights
Internal Timer for EX and Non-EX Lights Series USL 06 & USL 07
Spray Nozzle to Clean DIN28120 Weld-On Sight Glasses
Wiper Type II Assembly for Lumiglas® Sight Window DIN 28120
Glass Discs For Lumiglas® Ports and Custom Sizes
Hygienic Bubble Traps for Sanitary and Pharmaceutical Applications
Metaglas
Duplex Stainless Preferred Over 316L Stainless
Technical Info
Myths and Facts
View Comparison
Charlton Heston Video
Sightglass Design
Light Analysis
Glass
Metaglas/Metaclamp Sight Glass Hastelloy C22 (2.4602)
Metaglas/Metaclamp Sight Glass 2205 Duplex Stainless Steel (1.4462)
Glass Comparison
IOM Manuals
Bubble Trap Instructions
Standard VFI
Full View VFI
Sterile VFI
Metaglas Sight Glass
Obround Weld Pad Gage
Rectangular Weld Pad Gage
DIN 28120
Low Pressure
Spray Ring
Clamp Features
Sanitary Glossary
Surface Finish Definitions
Flow Indicators Pro
Critical Standards
Design Tools
Light Selection Charts
Non-Ex Lights
Ex Lights
Temperature Charts
Gaskets
Metals
Optical
Surface Finish Charts
Useful Links
Publications
Sight Glass Wide Selection
Small View Means A Stronger Sight Glass
In The News
L.J. Star Partners with AlphaBio Inc. to Better Serve Customers Who Need Hygienic Process Equipment
Compression, Not Fusion, Determines Sight Glass Safety, White Paper Concludes
L.J. Star Bolsters Sales Support with New Hires
Flow Control Article Reprint: Are You Gambling with Your Sightglass?
Sight Glass Applications Covered in New On-Line Engineering Webinar from L.J. Star
Modified Sight Glass Meets Tough Navy Specs
Duplex Stainless Preferred Over 316L Stainless
Processing Magazine Industry Product Articles Reprint Chemical company finds safer sight glass
Mechanically Prestressed Glass/Steel Sight Windows Resist Pressure and Impact Failure
L.J. Star Incorporated Aquires Tank Components, Inc.
Product Releases
L.J. Star Announces LED Ex Light for Sight Glass Illumination
L.J. Star Announces Stainless Sanitary Fittings, Sight Glasses and Sight Flow Indicators for the Special Demands of the Pharmaceutical Industry
L.J. Star Standardizes on Gylon® Gaskets
Biogas Sight Glass with Light Wiper and Camera System
View Diameter Video
Bolt-On Heating Jackets Enclose Visual Flow Indicators
New-Design Bubble Trap Meets Specific Pharmaceutical Needs
Non-Parenteral Glass Blinds Ohio Pharmaceutical Production Facility
L.J. Star Navy Case Study
Boro Plus is Boron Zero
L.J. Star Announces Sanitary Lock-Out Clamp
100,000 Hour LED Luminaires Produce Light Without Heat
L.J. Star Announces First Safety Clamp for Hygienic/Sanitary Connections
Compact Fiber Optic Light Improves Viewing Through Sanitary Sight Windows
Magnetic Liquid Level Gage Ensures Operator Safety and More
High-Intensity Luminaire Illuminates Interiors of Large Sanitary Vessels
Sterile Visual Flow Indicators Are FDA Compliant, 3-A Approved
Fiber optic Illumination Source is Ex Rated and CE Compliant
Rugged, Easy-Mount Video Camera Monitors Process Vessels and Tanks
Precision-Fit Clamps Meet Pharmaceutical and Biotech Needs
Color Video Camera System Rated for Ex Service, Fixed or Zoom
Replacement Borosilicate Gage Glass, Choose Transparent or Reflex
Rugged, Long-Life LED Luminaires Product No Heat
Lined Visual Flow Indicators Resist Corrosive Chemicals
Get Safe, Accurate Liquid Level Readings Even at High Pressure and/or Temperatures
Magnetic Gage Gives Clear, Safe Liquid Readings From Vacuum to 4,700 psig and minus 328 to plus 842 F
CIP / SIP Sanitary Sight Glass Improves Reliability with Less Maintenance
Fused Glass/Metal Windows Improve Sight Glass, View Port and Flow Indicator Safety
Obround Weld Pad Gages Improved Through Use of Modern Materials
Full-View Visual Flow Indicator Meets Sterile-Service Needs
Sterile Visual Flow Indicators Meet 3-A and FDA Requirements
Multi-purpose Glare-Free Luminiare is Ex-Rated
Compact Stainless Steel Luminaire for Pharm, Food and Biotech now UL-Listed
Literature Releases
L.J. Star Halves Sight Glass Delivery Times
New Line Card for Biotech and Pharmaceutical Process Observation Equipment
Sight Glass Application Handbook Guides Chemical and Pharmaceutical Usage
Easily Installed and Maintained Sanitary Clamp Eliminates Dead-Leg Problems
Brochure Describes Strength of Steel Fused Sight Glasses
L.J. Star Publishes Process Lighting and Visual Control System Product Catalog
Hygienic Pad Sight Window and Light Ports Described in Product Bulletins
Precision Pharm/Biotech Hygienic Clamp Described in Short-Form Catalog Sheet
Ex-Rated Camera System Provides Remote Processing Monitoring
Technical Bulletin Details Powerful UL Listed, Ex-Rated Illumination Source
New Bulletin Describes Cameras for Live View Inside Tanks and Vessels
New Bulletin Offers Quick Shipment of Armored Glass Gage Replacement Parts
Corrosion-Resistant Visual Flow Indicators Described in Short-Form Catalog Sheet
New Bulletin Describes Sanitary Design Lights for Safe Closed-Vessel Illumination
New Bulletin Describes Lightweight Stainless Steel Sightglass Fittings
Myths & Facts
Metaglas®
New White Paper: How to Spec Lighting for Sight Glass Applications
Rep Locator
Request a Quote
Questions
Application Handbook
Sight Glass Selection and Maintenance Tips Webinar
Sight Glass Tips Poster
Request Information
New White Paper: 6 Tips for Sight Glass Applications
New White Paper: How to Spec Lighting for Sight Glass Applications
Rep Locator
Request a Quote
Questions
Application Handbook
Sight Glass Selection and Maintenance Tips Webinar
Sight Glass Tips Poster
About Us
L.J. Star Incorporated
Why L.J. Star
Metaglas History
Lumiglas History
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Factory Mutual
ISO 9001:2000
TUV Approval
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