Abstract:
A flow measurement probe includes an elongate probe having an averaging pitot tube with a plurality of upstream and downstream openings arranged along a length of the elongate probe, and a thermal flow measurement sensor coupled to the elongate probe. A method of measuring fluid flow rate in a process includes calculating a flow rate of the fluid using differential pressure in upstream and downstream openings of an averaging pitot tube in an elongate probe when the differential pressure is at least a defined measurement threshold, and calculating the flow rate of the fluid with a thermal mass flow sensor coupled to the flow measurement probe when the differential pressure is less than the defined measurement threshold.
Abstract:
An apparatus for measuring a process variable of a process fluid based upon a process variable sensor measurement, includes an elongate spool that provides a spool conduit therethrough adapted to be coupled in line with process piping to receive a flow of process fluid. A meter body is carried in the elongate spool and receives the spool conduit therethrough. The meter body has a primary element opening which extends from the spool conduit to outside of the meter body. A carrier is configured to removably mount to the meter body and includes a primary element in the spool conduit through the primary element opening. A process variable transmitter is coupled to the primary element and is configured to measure the process variable of process fluid. The meter body is preferably configured to receive different types of primary elements carried on the carrier.
Abstract:
A customizable duct mount averaging pitot tube (APT) assembly for use with a duct to measure a flow of fluid in the duct is provided. The APT assembly includes an APT primary element extending longitudinally between a first end and a second end. The APT primary element has first and second internal chambers extending longitudinally between the first and second ends. The APT primary element further includes an upstream face with an upstream opening which opens to the first internal chamber and extends from the first end to the second end, and a downstream face with a downstream opening which opens to the second internal chamber and extends from the first end to the second end. First and second duct mount flanges mount the respective first and second ends of the APT primary element to the duct when the APT primary element is inserted in the duct.
Abstract:
Systems, apparatus and methods are disclosed for coupling an averaging picot tube (APT) primary element to a process pipe. A mounting assembly mounts the APT primary element to the process pipe such that a length of the APT primary element extending into the process pipe is adjustable to accommodate different sized process pipe diameters. The mounting assembly includes a weld coupling coupled to the process pipe over an opening in the process pipe and having the APT primary element extending therethrough into the process pipe. An extension pipe nipple is connected to the weld coupling and has the APT primary element extending therethrough such that a transition between a neck section and a sensor section of the APT primary element is positioned inside the extension pipe nipple. A union component, a ferrule, and a cap keep the APT primary element in the mounted position and form a process seal.
Abstract:
An apparatus for measuring flow of a process fluid includes an elongate spool providing a spool conduit therethrough adapted to be coupled in line with process piping to receive the flow of process fluid. A meter body is carried by the elongate spool and receives the spool conduit therethrough. The meter body includes a flow measurement component opening which extends from the spool conduit to outside of the meter body. A flow component is configured for placement in the flow measurement component opening of the meter body. A carrier is configured to removably mount to the meter body and couple the flow measurement component to the spool conduit through the flow measurement component opening. A flow measurement transmitter couples to the flow measurement component to measure the flow of process fluid based upon an interaction between the process fluid and the flow measurement component.
Abstract:
A pressure transmitter coupling for coupling a pressure transmitter to a process fluid includes a process coupling face having a process coupling port configured to couple to impulse piping. A pressure transmitter coupling face is arranged at an angle to the process coupling face, the pressure transmitter coupling face including a pressure transmitter coupling port configured to fluidically couple to the pressure transmitter. A process fluid passageway extends between the process coupling port and the pressure transmitter coupling port. A rod out port is aligned with the process fluid coupling port and configured to receive a cleaning rod therethrough to clean the process coupling port.
Abstract:
Systems, apparatus and methods are disclosed for coupling an averaging picot tube (APT) primary element to a process pipe. A mounting assembly mounts the APT primary element to the process pipe such that a length of the APT primary element extending into the process pipe is adjustable to accommodate different sized process pipe diameters. The mounting assembly includes a weld coupling coupled to the process pipe over an opening in the process pipe and having the APT primary element extending therethrough into the process pipe. An extension pipe nipple is connected to the weld coupling and has the APT primary element extending therethrough such that a transition between a neck section and a sensor section of the APT primary element is positioned inside the extension pipe nipple. A union component, a ferrule, and a cap keep the APT primary element in the mounted position and form a process seal.
Abstract:
An apparatus for measuring flow of a process fluid includes an elongate spool providing a spool conduit therethrough adapted to be coupled in line with process piping to receive the flow of process fluid. A meter body is carried by the elongate spool and receives the spool conduit therethrough. The meter body includes a flow measurement component opening which extends from the spool conduit to outside of the meter body. A flow component is configured for placement in the flow measurement component opening of the meter body. A carrier is configured to removably mount to the meter body and couple the flow measurement component to the spool conduit through the flow measurement component opening. A flow measurement transmitter couples to the flow measurement component to measure the flow of process fluid based upon an interaction between the process fluid and the flow measurement component.
Abstract:
A self-draining transmitter mount head includes a head body with a transmitter process coupling port in the head body, an impulse port in the head body, and an impulse passage coupled to the impulse port. An impulse drain passage is coupled between the pressure transmitter port and the impulse passage. The impulse drain passage is positioned at an angle to the impulse passage, and relative to a head installation angle that positions the impulse drain passage to drain away from the transmitter process coupling port through a range of head installation angles.
Abstract:
A self-draining transmitter mount head includes a head body with a transmitter process coupling port in the head body, an impulse port in the head body, and an impulse passage coupled to the impulse port. An impulse drain passage is coupled between the pressure transmitter port and the impulse passage. The impulse drain passage is positioned at an angle to the impulse passage, and relative to a head installation angle that positions the impulse drain passage to drain away from the transmitter process coupling port through a range of head installation angles.