Jacoby Tarbox Sight Flow Products 

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Model 850-S Threaded Connection

Full View Low Pressure

Model 850STube models are recommended where maximum visibility is required. This unit is a low pressure tube type Sight Flow indicator and although best adapted to vertical pipe lines, it may be installed horizontally as well. It may be used in systems that do not place mechanical strains on pipe lines.

All sizes in Style 850-S are provided with 5" OD cylinders and are suitable where a large observation area is required.