Bolt-On Heating Jackets Enclose Visual Flow Indicators

A new heating jacket element from L.J. Star allows direct observation of high-temperature or temperature-sensitive process fluids without creating a cold spot on temperature-controlled process piping, according to the Twinsburg, Ohio-based company. The new jacket fits directly on and around a standard L.J. Star view-thru visual flow indicator, exposing only the small area of the indicator's viewing port to ambient temperature.The jackets are composed of clamshell halves consisting of a carbon or stainless steel pressure chamber within an aluminum casting. The jackets are molded to maintain contact with the specific visual flow indicator in use. They bolt securely into place, completely covering the visual flow indicator. Tested in accordance with the ASME Boiler and Pressure Vessel Code, Sec. VIII, Div. 1 standards, the jackets are capable of maintaining operating temperatures up to 750°F. Heating media ranges from hot water, to steam, to hot oil liquid and vapors.