Crawler Drain Layer Shantui 45 Ton Pipeline Crane Sp45y Pipelayer

SP45Y pipelayer pipeline lifting equipment

The auxiliary forced braking system of the whole vehicle can greatly improve the safety of slope operation. The hydraulic system adopts international advanced technologies such as load feedback, proportional control, and overload protection system. , The counterweight and the hydraulic system have strong synergy, quick response, safe and reliable, and improve work efficiency; the application of low-pressure unloading technology has less neutral overflow loss, which can reduce system heating and improve hydraulic system work efficiency.

Technical parameters

A pipelayer (or pipe-layer or drain layer) is a skilled tradesman who lays pipe, such as for storm sewers, sanitary sewers, drains, and water mains. Pipelayers may grade (i.e., level) trenches and culverts, position pipe, or seal joints. The Standard Occupational Classification System code for pipelayers is 47-2151.

The Bureau of Labor Statistics of the United States Department of Labor estimated that there were 41,080 pipelayers in the United States in May 2014, earning a median hourly wage of $17.38 and a median annual wage of $37,000. (The BLS definition of pipelayer excludes welders, cutters, solderers, and brazers).Pipelayers most commonly work in the utility system construction, building construction, and highway, street, and bridge construction sectors. Among U.S. states, Alabama and North Dakota have the highest concentration of pipelaying jobs.

Pipelayers should not be confused with pipefitters. Both trades involve pipe and valves and both use some of the same tools. However, pipelayers usually work outside, laying pipe underground or on the seabed, while pipefitters typically work inside, installing piping in buildings or ships. One author summarizes the different tasks this way:

Pipe layers operate the backhoes and trenching machinery that dig the trenches to accommodate the placement of sanitary sewer pipes and stormwater sewer drainpipes. They use surveyor’s equipment to ensure the trenches have the proper slope and install the pieces of pipe in the trenches, joining the ends with cement, glue or welding equipment. Using an always-open or always-closed valve called a tap, pipe layers connect them to a wider system and bury the pipes.
Pipe fitters plan and test piping and tubing layouts, cut, bend or fabricate pipe or tubing segments and join those segments by threading them, using lead joints, welding, brazing, cementing or soldering them together. They install manual, pneumatic, hydraulic and electric valves in pipes to control the flow through the pipes or tubes. These workers create the system of tubes in boilers and make holes in walls and bulkheads to accommodate the passage of the pipes they install.

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