An extendable spool is disclosed. The length of the extendable spool is able to continuously varied. The extendable spool accounts for length variances in flow lines by extending the flow line rather than redirecting the flow. Because the flow direction does not make any turns, erosion is minimized on both the extendable spool and downstream parts. The extendable spool is readily scalable from small diameters to large diameters. Because of this, it requires fewer lines and therefore less setup time to account for length differences between large diameter lines.

An adjustable flow line may include an outer pipe body having a first flange, an inner pipe body partially disposed within the outer pipe body and axially translatable with respect to the outer pipe body, a metal seal positioned between an outer surface of inner pipe body and an inner surface of the outer pipe body, a sleeve positioned around the inner pipe body and outside of the outer pipe body, and a second flange positioned around the inner pipe body, wherein when connected to the first flange. The sleeve may be axially translatable with respect to the inner pipe body. The second flange may axially secure the sleeve with respect to the outer pipe body and cause the sleeve to energize the metal seal.

In one embodiment, the invention is directed to a high-pressure bi-directional sealing system having circumferentially extending outer support rings (1520, 1900), annular, axial seals (1600, 1800) between the outer support rings (1520, 1900) and a circumferentially extending inner support ring (1700) located between the annular, axial seals (1600, 1800). The outer support rings (1520, 1900), seals (1600, 1800), and circumferentially extending inner support ring (1700) are located within a space between an outer tube (1502) and an inner tube (1504) that is telescopically disposed within the outer tube (1502). Seals (1600) and (1800) are oriented in opposite directions. Specifically, the opening of seal (1600) is facing in a first direction and the opening of seal (1800) is facing in a second direction that is opposite the first direction. This configuration enables the high-pressure bi-directional sealing system to handle pressure in both directions.

A portable pump comprises a pump assembly including a motor, a handle assembly including a power source mounting interface configured to attach to a power source, a pole assembly extending in a longitudinal axis and connecting the pump assembly with the handle assembly, and a cable assembly connecting the motor to transfer power from the power source to the motor. The length of the pole assembly is adjustable by user. The cable assembly at least partially extends in the pole assembly and deforms in the direction of the longitudinal axis to adapt to the adjusted length of the pole assembly.

A coupling mechanism can be used to selectively secure two sections of telescopically engaged pipe in a fixed position relative to each other and provide a fluid (e.g., gas and/or liquid) seal between the coupling mechanism and the two pipes, regardless of whether the pipes are secured in the fixed position or are freely moveable relative to each other. The coupling mechanism can be used as part of a faucet assembly, which can include an adjustable faucet assembly including the telescopically engaged pipe.

A gas turbine engine has a service tube assembly including an adjustable joint having a flange axially movable along an end fitting having a male/female connection with a mating part. The flange is threadably engaged with the end fitting to provide for the adjustment of the position of the flange along the end fitting.

A threaded retainer including a body having a through-bore therein, a first screw thread operatively arranged on an outer surface of the body, wherein, the first screw thread is arranged to secure the threaded retainer to a fluid connector having a second screw thread, the first screw thread corresponding with the second screw thread, a first shoulder arranged on the body, wherein the first shoulder is arranged to abut against a second shoulder of the fluid connector, and an axial gap between the fluid connector and the threaded retainer, wherein the axial gap is formed when the fluid connector is secured to the threaded retainer.

An air grid for supplying air under pressure. The air grid may be used as an air scour system for a filter for removing at least some impurities (e.g., foreign matter of any nature including a solid, a liquid or a gas) from water or wastewater or as an aerator for aerating wastewater in an aeration tank or basin. The air grid includes an adapter for permitting in field adjustment of one or more components (e.g., drop pipe) of the air grid. Preferably, the adapter houses a portion of an air supply header and a portion of a drop pipe such that the air supply header is disposed above the drop pipe. The adapter may include a detachable sealing assembly. A tool may be provided for inserting and/or removing one or more components of the air grid from the operation environment.

In one embodiment, the invention is directed to a high-pressure bi-directional sealing system having circumferentially extending outer support rings (1520, 1900), annular, axial seals (1600, 1800) between the outer support rings (1520, 1900) and a circumferentially extending inner support ring (1700) located between the annular, axial seals (1600, 1800). The outer support rings (1520, 1900), seals (1600, 1800), and circumferentially extending inner support ring (1700) are located within a space between an outer tube (1502) and an inner tube (1504) that is telescopically disposed within the outer tube (1502). Seals (1600) and (1800) are oriented in opposite directions. Specifically, the opening of seal (1600) is facing in a first direction and the opening of seal (1800) is facing in a second direction that is opposite the first direction. This configuration enables the high-pressure bi-directional sealing system to handle pressure in both directions.

A quick release coupling for providing a connection between a pair of hydraulic lines is provided. The coupling includes a male component has a fluid passage therethrough and includes a shank portion adapted to engage a first hydraulic line. The shank portion has a first port for establishing fluid communication between the first hydraulic line and the fluid passage. The shank portion also has a restraining mechanism adapted to engage the first hydraulic line and block a rotational movement and an axial movement of the male component relative to the first hydraulic line. The coupling also includes a coupling adapter connectable to the male component and having a fluid channel therethrough adapted to be in fluid communication with the fluid passage. The coupling adapter is adapted to engage a second hydraulic line and has a second port for establishing fluid communication between the second hydraulic line and the fluid channel.