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Introduction
Clark-Reliance is a global leader in the level indication and control, sight-flow indication, and
filtration and separation industries. Clark-Reliance is dedicated to offering the largest and
broadest range of instrumentation products and being the single-source for every type of level
measurement and control to meet the varying demands of the process industry.
Jerguson Gage and Valve, a leading supplier of level gaging products, offers the world’s
largest selection of liquid level glass gages, magnetic level gages, liquid level switches and
level transmitters. Since 1905, Jerguson gages and valves have been installed in a wide
variety of liquid level applications, from basic chemical storage tanks to the most advanced
nuclear aircraft carriers. With complete product offerings in both traditional glass gages and
magnetic gages, Jerguson is able to satisfy customers’ diverse needs.
Flat Glass Gages (Armored Gages)
Jerguson Flat Glass Gages are simple, rugged instruments engineered to provide accurate
liquid level readings for the life of the vessel they are installed on. They are available in a
complete range of models for applications ranging from pure water to highly corrosive
chemicals and from cryogenic fluids to superheated steam.
Jerguson offers products certified to FM, UL, CSA and ATEX standards and/or designed
and constructed in accordance with ASME B31.1, ASME B31.3 and the European Pressure
Equipment Directive (PED).
Like any instruments, Jerguson Flat Glass Gages must be installed, operated and
maintained with reasonable care and due regard for the applications and environment if they
are to provide accurate readings for their service lifetimes.