LI-50-4W Henry Weld End Single Port 4.50 long with Reflex Lens Sight Glass (Frost shield not included)

Liquid Indicators are ideal for the visual inspection of refrigerant or oil levels. Henry Technologies offers a range of plated steel and ductile iron liquid indicators suitable for use with ammonia. Perfect for a wide variety of applications including pressure vessels.LI-50 seriesThe LI-50 series incorporating a Bulls-Eye with reflex lens. These pieces have the ability to indicate the actual level of a liquid without requiring the installation of a second indicator for light admission. Their reflex lens configuration appears dark in the presence of liquid and light when liquid is absent.Also, to properly view systems internal liquid levels under frosting conditions or when insulation material is present, a Frost Shield option is available. Easily press fitted in front of the Bulls-Eye, this clear perspex cylinder aids clarity of vision for the operator.FeaturesBulls-Eye with reflex lens.Removable top of hermetically sealed fused glass construction.Plated steel construction; weld type housing ASME SA36 (ASTM A36)Frost Shield option available.BenefitsProvides clear view of systems internal liquid levels.Avoids potential leakage path.The housing is designed to be permanently welded into the pressure vessel.Allows clear viewing of liquid levels under frosting conditions or wheninsulation material is present.Manufacturing StandardsManufactured to accepted International Boiler and Pressure Vessel Codes.Maximum Working Pressure: 3,450 kPa (LI-50 series)Allowable Operating Temperature: -40OC to 121OC (LI-50 series)