Viatran Corporation

Surinder Sood

Joel D Neri

John R Biagioni

Matthew D Miles

William Wilson

Seth M Nochajski

A pressure sensor includes a pre-formed diaphragm located at the distal end of a pressure sensor. The diaphragm has a convex surface on a first side of the diaphragm which is exposed to a fluid to be measured. A strain gauge is attached to a second surface on the opposite side of the diaphragm. The diaphragm may be deformed to have the convex curvature on the first surface, and heat treated.

Pressure sensor diaphragm

The hammer union pressure transducer engages with a cinch nut of a hammer union coupling to cinch a nose end toward an internal sealing surface of a male component of the hammer union coupling. The transducer includes a connection end removably threaded to the nose end. An anti-rotation device engages the connection end and the nose end, inhibiting inadvertent unthreading. The anti-rotation device is removable or shearable, allowing unthreading of the connection end from the nose end as desired. A recess may be formed on the external sealing surface of the nose end and an insert may be disposed in the recess. The insert, if used, may be formed of a material that is different from a material of the nose end. An upgrade kit may also be employed and includes an adapter plate to connect to the nose end.

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West Seneca, NY, United States of America

Surinder Sood