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Pressure Gauge Installation, Operation and Maintenance
winters.compointer on zero. NOTE: Gauges with a zero stop pin must have the pointer set at a reference pressure (preferable mid-scale) to offset the preload against the stop pin. Re-install the lens. Cut Note: When selecting a pressure gauge, always refer to ASME B40.100 (2013)
PRESSURE GAUGE INSTALLATION, OPERATION AND …
www.ashcroft.com2.3 Steam service – In order to prevent live steam from entering the Bourdon tube, a siphon filled with water should be installed between the gauge and the process line. Siphons can be supplied with ratings up to 4,000 psi. If freezing of the condensate in the loop of the siphon is a pos-sibility, a diaphragm seal should be used to isolate the