Abstract: A quick connect sensor coupling is described. The sensor coupling comprises a housing defining a first portion and a second portion; a sensor captured within the first portion; and a gripper stop comprising a taped surface and captured between the second portion and a pipe.

Abstract: A nozzle cap assembly includes a nut positioned at a first end of the nozzle cap assembly; a base positioned at a second end of the nozzle cap assembly, the base configured to mount on a nozzle of a fire hydrant; an enclosure positioned between the nut and the base, the enclosure defining a cavity; and an antenna, a modem, and a power source positioned within the cavity, the modem connected in electrical communication with the antenna and the power source.

Abstract: Example aspects of a nozzle cap adapter, a nozzle cap assembly, and a method for method for mounting a nozzle cap to a fire hydrant nozzle are disclosed. The nozzle cap adapter can comprise an adapter ring defining a first adapter ring end, a second adapter ring end opposite the first adapter ring end, and an interior void extending from the first adapter ring end to the second adapter ring end; a nozzle connector extending from the second end of the adapter ring, the nozzle connector configured to rotatably engage a fire hydrant nozzle; and a latch coupled to the adapter ring and configured to removably lock the nozzle cap adapter onto the fire hydrant nozzle.

Abstract: A nozzle cap for a fire hydrant includes a cap body defining a cap axis and comprising an inner housing defining an inner fastener hole; and an outer housing defining an outer fastener hole, the outer housing axially aligned with and contacting the inner housing; and a fastener defining a head and a shaft, the shaft engaging each of the outer fastener hole and the inner fastener hole to secure the outer housing with the inner housing; a disc spring arranged on the shaft and positioned between the cap body and the head of the fastener; and a compression limiter disposed within the outer fastener hole and defining a limiter opening, wherein the shaft of the fastener further engages the limiter opening.

Abstract: A nozzle cap adapter includes an adapter ring defining a first adapter ring end, a second adapter ring end opposite the first adapter ring end, and an interior void extending from the first adapter ring end to the second adapter ring end; a nozzle connector extending from the second adapter ring end of the adapter ring, the nozzle connector configured to rotatably engage a fire hydrant nozzle; and a latch coupled to the adapter ring and configured to removably lock the nozzle cap adapter onto the fire hydrant nozzle; a gasket housing extending into the interior void and defining a gasket groove, the gasket groove facing the second adapter ring end; and a gasket disposed within the gasket groove and configured to abut an end of the fire hydrant nozzle.

Abstract: A nozzle cap for a fire hydrant includes a cap cover comprising a metal material; and a cap body defining a cap axis, the cap body comprising: an inner housing comprising a metal material; and an outer housing comprising a non-metal material, the outer housing disposed axially between the inner housing and the cap cover, the outer housing comprising a substantially circumferential wall, the substantially circumferential wall defining a cavity between the inner housing and the cap cover, wherein a first end of the substantially circumferential wall engages the inner housing.

Abstract: A nozzle cap spacer for a hydrant nozzle cap includes a spacer body defining an outer body edge, the spacer body defining a spacer body thickness; and a resilient first spacer spring arm extending from the outer body edge and biased away from the spacer body in an extended orientation, wherein the first spacer spring arm defines a first spring arm thickness; wherein the first spring arm thickness of the first spacer spring arm is equal to the spacer body thickness of the spacer body.

Abstract: A nozzle cap spacer for a hydrant nozzle cap includes a spacer body defining an outer body edge, the spacer body defining a spacer body thickness; and a resilient first spacer spring arm extending from the outer body edge and biased away from the spacer body in an extended orientation, wherein the first spacer spring arm defines a first spring arm thickness; wherein the first spring arm thickness of the first spacer spring arm is equal to the spacer body thickness of the spacer body.

Abstract: A self-leveling sensor assembly comprising an outer bushing defining a bushing passage, a bushing axis extending centrally through the bushing passage; an inner housing received in the bushing passage and rotatable about the bushing axis, the inner housing comprising a housing weight disposed at a first housing side of the inner housing; and a vibration sensor mounted to the inner housing and defining a sensor axis; wherein the housing weight is configured to pull the first housing side of the inner housing downward to rotate the inner housing and the vibration sensor about the bushing axis and to align the sensor axis is a desired orientation.

Abstract: A nozzle cap spacer for a hydrant nozzle cap includes a substantially planar spacer body defining an outer body edge; and a resilient spacer spring arm extending from the outer body edge at a proximal arm end, the spacer spring arm configurable in an extended orientation and a compressed orientation, the spacer spring arm biased to the extended orientation; wherein, in the extended orientation, the nozzle cap spacer defines a substantially oblong shape, and in the compressed orientation, the nozzle cap spacer defines a substantially circular shape.

Abstract: A sensing device for a hydrant can include a sensor located entirely within an interior cavity of a hydrant body of the hydrant and configured to measure a property of a fluid of a fluid distribution system and an antenna in communication with the sensor and positioned within the interior cavity.

Abstract: A node mounting bracket for mounting a monitoring node within an access chamber includes a node support portion configured to engage and support the monitoring node; a spring leg extending substantially outward from the node support portion and configured to frictionally engage an inner chamber surface of the access chamber; and a handle extending substantially upward from the node support portion.

Abstract: A communications hub for a hydrant can include a plug comprising a non-metallic material and configured to be sealably received within a plug bore defined in a flange of a bonnet of the hydrant, the flange separating an interior cavity of the hydrant from a bonnet cavity of the hydrant; a PCB; at least one battery in electrical communication with the PCB; and an antenna configured for wireless communication with a sensing device located within the interior cavity of the hydrant and in electrical communication with the PCB, the antenna able to receive a wireless signal from the sensing device.

Abstract: A pressure monitoring system for a wet barrel hydrant includes an outer housing comprising a substantially cylindrical sidewall shell and a cap coupled to the substantially cylindrical sidewall shell, a center axis extending centrally through the pressure monitoring system; a pressure sensor configured to measure a pressure of a fluid received in the wet barrel hydrant; and an antenna assembly comprising an antenna, the antenna configured to send signals representative of pressure data measured by the pressure sensor, wherein the antenna assembly is circumferentially surrounded by the cap and is axially spaced from the substantially cylindrical sidewall shell.

Abstract: A sensing device for a hydrant can include a sensor located entirely within an interior cavity of a hydrant body of the hydrant and configured to measure a property of a fluid of a fluid distribution system and an antenna in communication with the sensor and positioned within the interior cavity.

Abstract: A communications hub for a hydrant can include a plug comprising a non-metallic material and configured to be sealably received within a plug bore defined in a flange of a bonnet of the hydrant, the flange separating an interior cavity of the hydrant from a bonnet cavity of the hydrant; a PCB; at least one battery in electrical communication with the PCB; and an antenna configured for wireless communication with a sensing device located within the interior cavity of the hydrant and in electrical communication with the PCB, the antenna able to receive a wireless signal from the sensing device.

Abstract: A pressure monitoring system for a wet barrel hydrant includes an outer housing defining a sidewall shell and a cap coupled to the sidewall shell; a sensor housing defining a connector, a housing cavity, and an opening formed through the sensor housing and allowing access to the housing cavity, the connector configured to couple the pressure monitoring system to a wet barrel hydrant; and a base assembly coupled to the sidewall shell and defining a central support and a cylindrical wall, the cylindrical wall extending from the central support towards the cap, the sensor housing coupled to the central support opposite the cylindrical wall.