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Home: Ernst Flow Industries, your source for the very best in from liquid level measurement equipment, water flow meters, flow indicator valves, ball valves, boiler gaskets and sight gauge glass.

About EFI: Learn about Ernst Flow Industries dedication to delivering the highest quality liquid level indicator and flow gauge products available on the market.

Contact EFI: Contact Ernst Flow Industries for more information on their expansive product line including: liquid level gauges, flow indicator valves, water flow meters, industrial thermometers, gauge glass, and boiler gaskets.

Shopping Cart: Purchase the product to meet your needs for liquid level measurement equipment, water flow meters, flow indicator valves, ball valves and more.

Liquid Level Gauges: Our vast selection of high-quality gauges gives you plenty of options to find the level gauge, liquid level gauge, water level gauge, vacuum gauge and other liquid level indicators that meet your requirements.

Pressure Gauges: Count on Ernst to help determine which pressure gauge is best for your application.

Industrial Thermometers: Find the types of industrial thermometers and dial thermometers carried at Ernst Flow Industries.

Flow Indicator Valves & Sight Windows: Browse our selection of flow indicator valves and sight windows, available in bronze, iron, carbon steel, stainless steel and PVC.

Ball Valves: Ball Valves, Shut Off Valves and More: Our selection of ball valves includes: glass ball valves, lever ball valves, pet cocks, brass air cocks, needle valves, bronze ball valves, stainless steel ball valves.

Sight Glass & Gauge Glass: Browse the selection of sight glass and gauge glass including borosilicate glass.

Boiler Parts: Choose from a complete inventory of boiler water columns, water column replacement parts and boiler gaskets, an entire line of try cocks, and tubular and flat boiler gauge glass and gaskets.

Washers: Ernst Flow Industries is your source for rubber washers, PTFE, fiber washers and other assorted washers of various material composition.

Other Products: Looking for other liquid level measurement products? From sight gauge glass and water flow meters to dial thermometers and boiler gaskets, you'll find everything you need here.

Shop Our Full Line of Products: Ernst Flow features a complete line of liquid level and flow indicating instruments, including liquid level measurement equipment, water flow meters, flow indicator valves, ball valves, boiler gaskets and sight gauge glass.