Process pressure measurement system with improved venting
First Claim
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1. A process fluid pressure measurement system comprising:
- a process fluid pressure transmitter;
a coplanar manifold coupled to the process fluid pressure transmitter, the coplanar manifold including;
a first passageway coupleable to a source of process fluid,a vent passageway connected to the first passageway and terminating in an internally threaded vent hole,a port configured to receive a valve stem in at least two positions, a first orientation blocking fluidic communication between the first passageway and the vent passageway, and a second position allowing fluidic communication therebetween; and
a valve stem threaded into the port of the coplanar manifold; and
a directional adapter threaded into the internally threaded vent hole.
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Abstract
A process fluid pressure measurement system includes a process fluid pressure transmitter coupled to a coplanar manifold. The coplanar manifold includes a first bore coupleable to a source of process fluid, and a vent passageway connected to the first bore and terminating in a vent hole. The coplanar manifold includes at least one port configured to receive a valve stem. Directly engaging the valve stem with the coplanar manifold selectively vents the coplanar manifold. Aspects of the present invention also include a coplanar manifold for coupling fluid to a process fluid pressure transmitter, and a method of venting such a coplanar manifold.
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Citations
6 Claims
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1. A process fluid pressure measurement system comprising:
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a process fluid pressure transmitter; a coplanar manifold coupled to the process fluid pressure transmitter, the coplanar manifold including; a first passageway coupleable to a source of process fluid, a vent passageway connected to the first passageway and terminating in an internally threaded vent hole, a port configured to receive a valve stem in at least two positions, a first orientation blocking fluidic communication between the first passageway and the vent passageway, and a second position allowing fluidic communication therebetween; and a valve stem threaded into the port of the coplanar manifold; and a directional adapter threaded into the internally threaded vent hole. - View Dependent Claims (2, 3, 4)
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5. A coplanar manifold configured to couple a process fluid to a process fluid pressure transmitter, the manifold comprising:
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a first passageway coupleable to a source of process fluid; a vent passageway connected with the first passageway and terminating in an internally threaded vent hole; a port configured to receive a valve stem in at least two positions, a first orientation blocking fluidic communication between the first passageway and the vent passageway, and a second position allowing fluidic communication therebetween; a valve stem engaged with the port; and a directional adapter threaded into the internally threaded vent hole. - View Dependent Claims (6)
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Specification