Allseas – Pieter Schelte Cylinders


Our Work

Apex were chosen to design and manufacture cylinders for the world’s largest pipelay vessel.

Pieter Schelte is a 382 m long, 117 m wide dynamically positioned platform installation, decommissioning and pipelay vessel.

Idustry – Offshore Oil & Gas


Vessel – Pieter Schelte now known as Pioneering Spirit

Design Body – Lloyds Register BV

Hydraulic Cylinder Specification

2 off  – 63 bore X 35 rod X 150 stroke. Front flange mount cylinder
4 off – 160 bore X 90 rod X 4500 stroke. Trunnion mount cylinder
2 off – 160 bore X 110 rod X 800 stroke. Trunnion mount cylinder
4 off – 220 bore X 200 rod X 1500 stroke. Displacement cylinder

480 bar test pressure

All material from a Lloyds Register Certified West-European mill applicable to the material range and plate thickness.

EN ISO 10204- 3.2 material certification.

All material, designs, welding procedures according to Allseas special requirements.


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The Sectors

We have strong experience working across a variety of different sectors. If you would like to read more about our sector experience associated with this project – click an image for more information….

Related Products

The following products were utilised as part of this project. For more detailed information on these products, click on an image below…

Related Services

The following services were utilised as part of this project. For more detailed information on these services, click on an image below…

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