Level Gages

Reflex and transparent glass level gages with isolation valves for boilers and pressure vessels.

Also known as: level gauge, gauge glass, water level.

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Brands

Jerguson (Clark-Reliance) has built liquid level instruments since 1905: reflex and transparent glass gages with safety ballcheck gage valves, Magnicator magnetic level indicators, level switches and transmitters. Established in the chemical, petrochemical and power industries.

Level Gages

Reliance Boiler Trim (Clark-Reliance) has built boiler level controls since 1884 and brought conductivity probes to the boiler industry in 1959: Simpliport bi-color gages, Eye-Hye SmartLevel remote level indication, prismatic and flat glass water gages, water columns, gage valves and Levalarm and TWIP level switches.

Models

Connection

ATEX

Pressurebar

12 of 12 models

Armored flat glass gages6

Jerguson

Jerguson Series 300L reflex and transparent level gage, Class 300

Economical Class 300 flat glass level gage with Jerguson 25 mm glass for long visible ranges per section, reflex (R-300L) or transparent (T-300L), up to 750 psi (51.7 barg) at 100 °F.

Jerguson

Jerguson Series 20 reflex and transparent armored level gage

Medium pressure armored flat glass level gage, reflex (R-20) or transparent (T-20), up to 3270 psi (225.5 barg) at 100 °F, one-piece bar stock chamber, recessed gasket seat, glass sizes 1 to 9.

Jerguson

Jerguson Series 32 reflex and transparent level gage, to 4000 psi

High pressure armored flat glass level gage with recessed mid-span tie-bars, reflex (R-32) to 4000 psi (275.8 barg) or transparent (T-32) to 3000 psi (206.8 barg) at 100 °F, steam to 750 WSP.

Jerguson

Jerguson Series 40 heavy duty level gage, to 5000 psi

Heavy duty flat glass level gage for high pressure process and steam service, 5000 psi (344.7 barg) at 100 °F in carbon steel and 316 SS, saturated steam to 1500 WSP.

Jerguson

Jerguson Series 51 high pressure ported level gage, to 10,000 psi

Transparent ported level gage with O-ring sealed ports for very high pressure liquid service: 6000 psi (413.7 barg) with NPT, 10,000 psi (689.5 barg) with socket weld or high pressure fittings, up to 400 °F.

Jerguson

Jerguson Series L10 large chamber level gage for boiling liquids

Large chamber flat glass level gage for liquids that surge, boil or flash, reflex (RL-10) to 2400 psi (165.5 barg) or transparent (TL-10) to 1200 psi (82.7 barg) at 100 °F.

Weld pad gages1

Jerguson

Jerguson weld pad level gages: Series W20, W300L and RW400

Level gages welded directly to the tank for economical indication on non-critical applications: W20 and W300L reflex or transparent, standard or isolable with integral valves, and RW400 reflex to 400 psi (27.5 barg) at 400 °F.

Gage accessories2

Jerguson

Jerguson SafeView shields for high pressure level gages

Lexan polycarbonate shields that protect operators from high pressure leaks of flat glass level gages and the glass from accidental impact; retrofit in minutes on Jerguson Series 20, 32, 40 and 300L and on other brands.

Jerguson

Jerguson LumaStar EPL-100 and EPL-316 LED gage illuminators

White LED illuminators for reflex and transparent glass level gages in hazardous areas, Class I Div 1 and ATEX / IECEx Ex db [ib] IIB+H2 T4, about 100,000 h life, aluminium EPL-100 or all 316 SS EPL-316.

Boiler water gages2

Reliance

Reliance prismatic (reflex) water gages and RGL 100 illuminator

Prismatic (reflex) water gage glasses for boilers and tanks: C type to 250 psi and S type to 350 psi, tempered borosilicate glass, single or multiple sections in vertical or Tiltview assemblies, with RGL 100 LED illuminator.

Reliance

Reliance FG Series flat glass water gages with DuraStar LED illuminator

Transparent flat glass boiler water gages in four pressure classes, FG400 to 450 psig, FG900, FG1500 and FG2000 to 2000 psig, with mica shields, finger clamps and up to six windows, plus DuraStar amber LED illuminator; complies with ASME Section I.

Water columns1

Reliance

Reliance cast iron and steel water columns and standpipes

Boiler water columns that carry one or two gage glasses and float or probe type high/low alarms and low water cut-outs: cast iron W0250 to 250 psi, steel columns to 3000 psi (200 bar), SP Series direct-to-drum standpipes, Retropak PC probe conversion.

Not seeing the size, connection or rating you need? Most of these models are built to order and our suppliers' engineers adapt them. Send us what you have and we work it out. Send us your requirement →

Level Gages

Brands

Models

Armored flat glass gages6

Jerguson Series 300L reflex and transparent level gage, Class 300

Jerguson Series 20 reflex and transparent armored level gage

Jerguson Series 32 reflex and transparent level gage, to 4000 psi

Jerguson Series 40 heavy duty level gage, to 5000 psi

Jerguson Series 51 high pressure ported level gage, to 10,000 psi

Jerguson Series L10 large chamber level gage for boiling liquids

Weld pad gages1

Jerguson weld pad level gages: Series W20, W300L and RW400

Gage accessories2

Jerguson SafeView shields for high pressure level gages

Jerguson LumaStar EPL-100 and EPL-316 LED gage illuminators

Boiler water gages2

Reliance prismatic (reflex) water gages and RGL 100 illuminator

Reliance FG Series flat glass water gages with DuraStar LED illuminator

Water columns1

Reliance cast iron and steel water columns and standpipes

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