Kenco Engineering Products
Kenco KMT & KHT Transparent Level Gauges And Valves
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KMT & KHT Transparent Level Gauges And Valves
KENCO Flat Glass Gauges are used where direct visual observation of process fluids is required. These gauges are suitable for a wide range of applications with pressures up to 4000psig @ 100oF, and temperatures up to 750oF @ 2300psig. KENCO gauges are available in a wide variety of construction materials, connections and other options to meet most specifications.
Five Main Components Of Flat Level Gauges:
Transparent Style Level Gauge
Transparent gauges have two pieces of glass on opposite sides of the chamber. Light enters the gauge from one side, and the level is viewed from the other. Transparent gauges are useful when the actual liquid characteristics need to be seen. They are also commonly used for liquid-liquid interfaces. Mica shields can be used in transparent gauges to protect the glass in steam environments. Kel-F shields should be used in corrosive environments.
Why Use Flat Glass Gauges
Flat Glass Gauges have been in use for over 100 years. They give you the ability to directly view the process fluid under temperature/pressure conditions that would render most other level technologies useless.Their construction is very robust, and reliable. They define the term "simple to use"...after installation, the only tool you will need is your eyes. Flat Glass Gauges are relatively inexpensive as compared to most other level technologies.
Flat Glass Gauges VS Tubular Glass Gauges
KENCO offers a wide range of Flat Glass Gauges and Tubular Gauges. With all of those choices, one of the basic questions is: Should I use Flat Glass or Tubular Glass Gauges? The answer is fairly simple. If the process pressure is under 500psig and the process temperature is under 400oF, tubular style gauges should be considered. KENCO tubular gauges shield the glass on all four sides to virtually eliminate glass breakage, and tubular gauges are even more cost effective than flat glass gauges. Regardless of the style chosen, KENCO's high quality gauges will provide you with many years of reliable service.
Medium Pressure Flat Glass Gauges
KENCO Medium Pressure Flat Glass Gauges are versatile enough for most common process conditions. Standard carbon steel gauges meet the requirements of NACE MR0175. Unlike other manufacturers, there is not additional charge for NACE.
All materials meet or exceed ASTM specifications. Model KMR Reflex Gauges can reach process pressures up to 3000psig. Model KMT Transparent Gauges can handle pressures up to 2000psig.
While these gauges are not specifically designed for steam service, the Model KMR gauges will perform at saturated steam pressures up to 300WSP. The Model KMT will perform at saturated steam pressures up to 600WSP, depending upon gauge size. Mica shields are recommended for Model KMT when used in steam. Shields cannot be used with Reflex Gauges.
High Pressure Flat Glass Gauges
KENCO High Pressure Flat Glass Gauges have a superior rugged design for the most demanding process conditions. Standard carbon steel gauges meet the requirements of NACE MR0175. Unlike other manufacturers, there is no additional charge for NACE.
All materials meet or exceed ASTM specifications. Model KHR Reflex Gauges can reach process pressures up to 4000psig. Model KHT Transparent Gauges can handle pressures up to 3000psig.
While these gauges are not specifically designed for steam service, the Model KHR gauges will perform at saturated steam pressures up to 300WSP. The Model KHT with perform at saturated steam pressures up to 750WSP. Mica shields are recommended for Model KHT when used in steam. Shields cannot be used with Reflex Gauges.
Flat Glass Gauge Valves (Gauge Cocks)
KENCO Gauge Cocks are designed for use with KENCO Flat Glass Gauges, or gauges from any other manufacturer. All valves are "Offset Pattern" design. This provides for gauge connections that are offset 0.875" from the centerline of the vessel connections. This allows the gauge to be cleaned by removing vent/drain plugs from the valve. All materials meet or exceed ASTM specifications.
Series KMV Valve Standard Features:
Series KHV Valve Standard Features:
Other Gauge Accessories:
FROST PROOF EXTENSION
The KENCO Frost-proof Extension is used in low temperature applications where frost has a tendency to build up on the gauge. This extension prevents frost from covering the window, maintaining visibility at all times.
The Frost-proof Extension consists of clear, plastic block that is in direct contact with the glass, and extends beyond the cover so that frost buils-up does not block the glass.
Mounting is easy, and can be added to any Reflex or Transparent gauge in the field. The extension can be installed or removed for cleaning while the gauge is in service.
GAUGE GLASS OPTIONS
KENCO supplies tempered borosilicate glass as standard in all Flat Glass Gauges. Borosilicate glass is suitable for most chemicals, and is good for temperature ranging from -425°F to 600°F(Glass Rating Only). The tempering process improves the thermal shock resistance of the glass.
Aluminosilcate glass is offered as an option for higher temperature applications. It offers less thermal expansion, as compared to borosilicate glass. Aluminosilicate glass is good for temperatures ranging from -425°F to 800°F(Glass Rating Only). However, due to the added cost, it is only recommended for temperatures from -600°F to 800°F.
For corrosive or steam applications, KENCO offers shields to extend the life of the glass in Transparent gauges. The shields are made from either PCTFE (Kel-F) or Mica. Mica shields are recommended for steam service. Kel-F shields should be used in corrosive fluid applications. The shield is placed on the process side of the glass. Shields can only be used with Transparent gauges.
THERMAL INSULATORS AND GAUGE SCALES
KENCO offers a wide variety of methods to heat or cool gauges in order to maintain the temperature of the process in the gauge. Internal & external heating/cooling tubes, thermal jackets, and insulation blankets are available. Gauge scales can be supplied to provide a numerical reference to the level being measured. Contact KENCO for more information.
K = KENCO Flat Glass Gauge
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