Products Steam Traps Mechanical Free Float® (low pressure) Free Float® (med/high pres.) Free Float® for Main Lines With Bypass Valve Large Capacity Float Traps Clean Steam Traps Thermodynamic Disc-Type Thermostatic Thermostatic Temperature Control Clean Steam Traps Steam Trap Stations Condensate Recovery PowerTrap® (Mechanical Pump with Built-in Trap) PowerTrap® (Mechanical Pump) Pressure Reducing Valves With built-in Separator and Trap (for process use) for Process Steam Compact for Steam for Vacuum Steam for Air Without Separator and Trap for Steam Compact for Steam for Vacuum Steam for Air Direct Acting for Steam for Air Safety Valves Control Valves, Controllers Multi-Control Valves with Built-in Separator and Trap for Steam for Vacuum Steam Multi-Control Valves for Steam for Vacuum Steam Control Valves Pneumatic Self-operated Temperature Control Surplussing Valves for Steam Controllers Setpoint MC Vortex Flowmeters Filters Separators for Steam (Built-in Trap) for Air (Built-in Trap) without Built-in Trap Valves Stainless Steel Ball Valves Lock Release Valves Globe Valves Bellows Sealed Valves Bypass Blow Valves Check Valves Strainers, Sight Glasses and Other Y-strainers Sight Glasses Automatic Non-freeze Valves Air Vents Rapid Initial Air Vents Automatic Air Vents Super Compact Automatic Air Vents Air Vents for Steam Air and Drain Traps Free Float® Air Traps Air Traps for High Viscosity Condensate Free Float® Drain Traps Peripheral Equipment Manifolds Steam Condensing Heat Exchanger High-Temp. Waste Water Heat Exchanger Flash Vessels Steam Compressor Maintenance Instruments Pocket-size Tester Engineering Software Instantaneous Water Heater More Information Steam Theory Document Search Technical Documents Product Solutions CAD 3D Archived Documents Operation Animations Success Stories System Solutions FAQ PowerDyne® Disc Traps Email Magazine Discover steam engineering tips in our bi-monthly newsletter. Sign up now Sight Glasses For visually monitoring the flow of fluids from the outside of the piping. Operating Pressure Range: 0 - 40 bargOperating Temperature Range: -10 - 280 °C Sight Glass Pamphlet (679 KB) Product Details T8N / TF8N / T10N / TF10N Specifications Manual • Max. Operating Pressure: 13 barg• Max. Operating Temperature: 200°C• For use on water, air or steam• T10N/TF10N designed for large flow rates SG880 Specifications No Manual • Max. Operating Pressure: 40 barg• Max. Operating Temperature: 280°C• In-built embedded entry• Heat resistant borosilicate glass with mica shield on both sides• Light, compact construction Always check the specification PDFs for the exact product specification available in your region. Benefits and Features Easy to Use Ball movement indicates flow status, which gives superior visibility. (T8N/T10N) Use of PTFE (fluorine resin) gasket results in superior maintainability. (T8N/T10N) Application Areas Visual inspection of various types of equipment. Operational Check of Steam Traps Inspect the operating status of equipment by checking the flow of water, hot water, air, steam, etc.
