Posts Tagged sanitary gauges

Chemical Seal Assemblies Available from Lesman Stock

Posted by danstips in Pressure Gauges, Service, WIKA on July 22, 2016

Chemical seals and fills are often necessary to protect your process instrumentation from harm. But the wait for a custom gauge-and-seal, switch-and-seal, or transmitter-and-seal combination could be an issue, keeping your process offline for longer than necessary, or costing a premium for quick delivery.

We’ve removed the potential for downtime and rush charges with our WIKA-certified assembly station, and improved stock of most popular transmitters, switches, gauges, diaphragm seals, and fill fluids. Lesman customers can experience next-day delivery on custom assemblies from in-stock instrumentation.

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Should I use a chemical seal with my pressure instruments?

Posted by danstips in Honeywell, Pressure, Pressure Gauges, Pressure Switches, pressure switches, Pressure Transmitters, pressure transmitters, Siemens, Switches, Transmitters, United Electric, WIKA on January 17, 2012

Diaphragm seal mounts directly into the process linke to reduce damage to the Bourdon tube.Pressure instruments in contact with the process can take a real beating. Process fluids can corrode the wetted parts and destroy the sensing element.  Media the solidifies can clog the pressure-sensing port.  Or, an installed instrument can affect the process by providing a spot for media remnants to remain after cleaning and purging. Specialized chemical seals deal with these pressure sensing issues.

Here’s a list of questions to ask about your application that will determine if you need a chemical seal with your gauge, switch, or transmitter.

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