High pressure Cylinders for laying oil and gas pipelineselisabettabova2020-11-04T08:57:21+00:00
FPT Cylinders for laying oil and gas pipelines.
Martinetti idraulici e centraline
For an important customer operating in the petrochemical and off shore sector FPT has designed and manufactured an hydraulic system that equips the clamping jaws tubes, used on board of ships, for the laying of submarine pipelines.
The jaws are designed to allow axial locking of the pipe sections that are to be welded together before laying in order to realize a single pipe. The hydraulic system that equips the jaws includes No. 3 hydraulic pumps model FPT1-ME2-M-EV4 / 3-20-CD-G-SP, hoses, valves and jacks of different types CDE 45/30-SP, CRI30/50-FO-SP and CDE 5/160.
The hydraulic circuit serves for the opening and closing hinge of the jaw and to the matching and locking of the wedge slides. During the locking operation the equipment provides self-centering of the pipe. The force developed by the cylinders on the wedge slides must be sufficient but not excessive, in order to ensure the locking of the pipe and at the same time removing the risk of ovalization of the same.
Technical details of FPT hydraulic jacks:
Hydraulic double-acting cylinder to push and pull operations. Custom design for integration with the customer’s equipment. Cylinder body with 8 oil delivery holes for serial hydraulic connections.
Push force: 445 kN at 700 bar
Pull force: 334 kN at 700 bar
Stroke: 30 mm
Hydraulic cylinder oil return. Custom design for integration with the customer’s equipment.
Push force: 357 kN at 700 bar
Pull force: 213 kN at 700 bar
Stroke: 50 mm
Standard double-acting hydraulic cylinder for push and pull operations supplied with eyelets.
Push force: 49.5 kN to 700 bar
Pull force: 22.9 kN to 700 bar
Stroke: 160 mm
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