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ANSI B40.1 has been replaced by ANSI/ASME B40.100-2005

Pressure Gauges and Gauge Attachments
This Standard (B40.1) is confined to analog, dial-type gauges, which, utilizing elastic elements, mechanically sense pressure and indicate it by means of a pointer moving over a graduated scale. This Standard does not include gauges of special configuration designed for specific applications, edge reading, deadweight or piston gages, or any other gauges not using an elastic element to sense pressure
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Q: What is ansi b40.1?
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