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These pressure gages feature an overpressure mechanism

| By Chemical Engineering

The T6500 stainless-steel, solid-front pressure gage (photo) is now available with the new XRA overpressure option. This feature adds an overpressure mechanism that restricts the motion of the Bourdon tube after the specified full-scale value is reached. As a result, the gage can withstand up to 400% overpressure without damage, often eliminating the need for an external pressure-limiting valve. It is said to be especially useful in applications where pressure spikes and waterhammer are a threat. T6500 pressure gages are also available with additonal performance options to dampen vibration, shock and pulsation effects; or provide liquid-fill performance in a dry gage. The pressure range of these devices is vacuum to 20,000 psi. — Ashcroft Inc., Stratford, Conn.