The present disclosure discloses a socket device comprising a fixing portion. The fixing portion comprises a socket portion, a water inflow passage, a first water outflow passage, a second water outflow passage, a first switching mechanism, a first water dividing passage, and a first control mechanism. The socket portion comprises a switch. The second water outflow passage, the first water outflow passage and the second water outflow passage are switched to be connected to the water inflow passage by the first switching mechanism. The switch is connected to the first switching mechanism to drive the first switching mechanism. The first control mechanism is configured to control the water inflow passage to be connected to the first water dividing passage or control the first water dividing passage to be opened or to be closed.

A black tank sewer flush adapter comprises a tubular body, a boss connector connected to or integrally formed to the tubular body, a flexible sealing washer, and a fastener. The fastener is for forming an attachment with the distal end of the boss connector while the water hose passes longitudinally through at least all the opening of the fastener, the opening of the flexible sealing washer, and the distal end opening of the boss connector. By allowing the water stream emitting end of the water hose to pass through the boss connector and the proximal end of the adapter and into a black tank, the water stream can be applied directly to the interior surfaces of the black tank and a net increase in dislodging adhered sludge from the interior surfaces of the black tank is observed.

A dead-end sap line connector for a sap collection system is provided. The dead-end sap line connector comprises a fluid transfer body having interconnected walls defining a hollow inner chamber being in fluid communication with a plurality of fittings each extending from one of said walls; a first fitting being engageable with the drop line; and a second fitting extending in a direction orthogonal to the first fitting and being engageable with the lateral line. The dead-end sap line connector further comprises a sealing member extending from one of said walls in a direction opposite to said first fitting, and a plugged fitting extending from one of said walls in a direction opposite to said second fitting. A sap collection system comprising said dead-end sap line connector is also provided. Moreover, an alternative dead-end sap line connector (and a system comprising said dead-end sap line connector) is also provided.

A fluid system includes a one-way check valve including a check-valve inlet and a check-valve outlet; a Y-connector including a Y-connector inlet, a first Y-connector outlet, a second Y-connector outlet, and a pressure-sensor connector; an inlet hose fluidly connecting the check-valve outlet and the Y-connector inlet; and a pressure sensor fluidly connected to the Y-connector via the pressure-sensor connector. The Y-connector inlet, Y-connector outlets, and pressure-sensor connector are fluidly connected to each other inside the Y-connector.

The present disclosure provides a pipe 10 with center influent branch 20 and opposing side influent branches 30. Each of the influent branches 20, 30 also have a concentric reducer 40 at their terminus.

An adapter includes several connecting nozzles. Free nozzle ends of the connecting nozzles are adapted to be connected to line ends of fluid lines. The adapter includes, for guiding flowing fluid in and then out, two mutually separated, tubular flow channels. Moreover, the adapter includes a projection, which extends from the nozzle end with a length to a free projection end remote therefrom. A fluid line system formed by means of the adapter comprises, furthermore, a fluid line with, enveloped by a wall, a lumen. The fluid line can be connected with its line end to the connecting nozzle of the adapter in such a manner that the projection protrudes inwardly into the lumen of the fluid line to form two tubular chambers of the fluid line mutually separated by the projection and adapted for guiding through flowing fluid.

A pipe fitting includes an entry hub, an exit hub, and a cleanout hub. The cleanout hub is coaxially aligned with the exit hub and angularly offset from the entry hub. The pipe fitting also includes a main body that extends between the cleanout hub and the exit hub. The main body defines a main body length that is at least three times greater than the exit hub outer diameter.

A gooseneck pipe includes a first pipe half having a first radiused centerline curve, and a second pipe half fixed to the first pipe half and having a second radiused centerline curve. The first and second pipe halves define a flow path. Cross-sectional diameters of the first and second pipe halves vary along the flow path. The varying diameters of the first and second pipe halves serve to mitigate pressure losses due in part to Dean vortices or secondary flow patterns in the flow path when a fluid is turned in the gooseneck pipe.

A ceramic-backed elbow featuring an extended chamber which alters the flow of fluent through the elbow section. This chamber is lined with a ceramic material and ceramic tiles. The remainder of the elbow is similarly coated with a ceramic mixture. The elbow could be placed into a coating pan upon the tiles being adhered to the elbow, and the entire elbow may be coated with an abrasive-resistant coating. A thin metal skin may then be applied over the entire surface of the coating.

A method of manufacturing a suction pipe for a multi-compressor device having a plurality of inlets, the suction pipe comprising a primary portion and a plurality of secondary portions arranged to receive fluid from the primary portion for supplying fluid in parallel to the inlets of a multi-compressor device. The method includes designing the suction pipe by: selecting a first dimension for the primary portion of the suction pipe, calculating a first fluid velocity for fluid in the primary portion based on the first dimension, and comparing the first fluid velocity to a first predetermined threshold; selecting a second dimension for the secondary portions, calculating a second fluid velocity for fluid in the secondary portions based on the second dimension, and comparing the second fluid velocity to a second predetermined threshold; and calculating a ratio of the first fluid velocity to the second fluid velocity.