This disclosure relates to a device in the form of a connecting pipe for use in heat pump devices for decoupling as well as for vibration control. The device includes a pipe section as well as a connecting element arranged at each end. The device further includes two non-metallic, spaced, staggered bellows assemblies for vibration compensation, the pipe section having a constant material thickness between the connecting elements, apart from any individual stabilizing rings. In addition, the bellows arrangements includes of one or more annularly closed foldings, each extending 360°.

A fracturing system includes a plurality of junctions mounted on a chassis, such as a trailer chassis. Pressurized fluid is provided to the plurality of junctions via a plurality of conduits, e.g., from one or more pumps. The junctions and the conduits are independently mounted and independent vibration dampening systems damp vibrations at the individual mounts. Vibration of individual of the junctions may be damped by a first dampening system having first dampening properties and individual of the conduits may be damped by a second dampening system having second dampening properties different from the first dampening properties.

A helical strake pole system that includes a tubular pole having a longitudinal axis and threaded attachment points. The system further includes a helical strake fin disposed circumferentially around a portion of the tubular pole along the longitudinal axis. The system further includes couplers disposed on the tubular pole. The couplers are configured such that each coupler has a first portion with a slot configured to receive an upper portion of the helical strake fin and a second portion configured to removably coupled to a threaded attachment point of the tubular pole. In addition, each coupler is configured to position a portion of the helical strake fin substantially perpendicular to a surface of the tubular pole.

A measurement system for determining a physical parameter of a pipe-fluid system includes a pair of confining elements configured to decrease surface vibration deformations at an outer surface of each end of the pipe-fluid system; wherein each confining element comprise a supporting frame configured to be detachably mounted on a pipe of the pipe-fluid system; and a fixation element configured to be detachably mounted for mechanically coupling the supporting frame with an outer surface of the pipe; an excitation system, configured to generate a mechanical vibration spectrum at a surface of the pipe-fluid system; and a vibration measurement device configured to be mechanically coupled to an outer surface of the pipe-fluid system, and configured to provide a mechanical vibration spectrum of the pipe-fluid system.

Disclosed is a pulsation dampening system for high-pressure (e.g., 10K psi and higher) fluid lines. At high fluid flow pressures, the dampening system is a dual stage dampening system, responsive to low (e.g., when first charging the fluid line) and to very high-pressure pulsations. An external containment shell handles the full fluid flow pressures. One or more internal shells contain and handle the internal gas dampening system. The in-flow relationship of the gas dampening component assures that pressure differences between the internal gas handling system and the high-pressure fluid flow is always relatively small. This enables the gas handling components to be constructed of less robust material than the external shell (even though the gas system's internal pressure can equal that of the fluid flow), and be less susceptible to pressure failure.

A damper that is made up of a number of dampening members that have a flexible core that is covered with an arctic grade rubber cover. Each dampening member is then attached to links that make up the damper chain. The steel core is made of steel wire that is fitted with a bolt at each end. The cover is placed over the steel core and is then sealed with end covers that are glued in place. Each end cover has a hole to receive a fastener that first passes through a link and then into the bolt at the end of the steel core. In this way, a strong, yet flexible damper chain is formed that is able to stand up to the harshest weather conditions for a long life.

A protective tube for insertion into a pipe or vessel containing a medium, a measuring apparatus having such protective tube and a method for manufacturing the protective tube are disclosed, the protective tube including a tubular member having a bore extending between an upper and lower end of the tubular member and having at least one helical fin on at least a section of an outer surface of the tubular member, winding around the outer surface of the tubular member and defining a flow channel along at least a part of the tubular member. At least one geometric parameter of the at least one helical fin is configured based on at least one process condition of the medium in the vessel or pipe.

The present invention provides a piping system (1) at least comprising a main pipeline (2) and a side branch pipeline (3), wherein the side branch pipeline (3) meets the main pipeline (2) at a junction (4), wherein the side branch pipeline (3) is provided with a perforated plate (5) having a plurality of perforations (6), wherein the perforated plate (5) has a downstream half (5B) and an upstream half (5A) (relative to the flow direction in the main pipeline (2)), wherein the downstream half (5B) has less open area than the upstream half (5A), and wherein the perforated plate (5) is provided with a protrusion (8), at the side of the perforated plate (5) facing away from the junction (4).

A device and method to mitigate transient events in a transported medium of fluids and gases subjected to surges, and over pressure events caused by the transient state of a transported medium in a continuous pipeline, where the device has one or more concentrically positioned multilayered composite pipes encased in an outer spool pipe with an annulus space between the spool pipe and the multilayered composite pipes, with flanged adaptors at each end of the device for inline installation in a pipeline, with a management system for receiving, processing and transmitting information gathered in combination with existing pipeline monitoring, and acoustical detection system for receiving and processing of acoustic transmission due to an acoustical wave. Mitigation of pressure events is achieved by energy dissipation and expansion of the multilayered composite pipes and reduction of amplification of pressure waves is achieved by initiation of active counter waves by expansion of the multilayered composite pipes to sinusoidal shape.

Disclosed is a pulsation dampening system for high-pressure (e.g., 10K psi and higher) fluid lines. At high fluid flow pressures, the dampening system is a dual stage dampening system, responsive to low (e.g., when first charging the fluid line) and to very high-pressure pulsations. An external containment shell handles the full fluid flow pressures. One or more internal shells contain and handle the internal gas dampening system. The in-flow relationship of the gas dampening component assures that pressure differences between the internal gas handling system and the high-pressure fluid flow is always relatively small. This enables the gas handling components to be constructed of less robust material than the external shell (even though the gas system's internal pressure can equal that of the fluid flow), and be less susceptible to pressure failure.