Overhaul of Sauer Danfoss PVG 32 on Hose Handling Crane

Alatas ServiceField Service
Vessel TypeVLCC Tanker
Crane TypeHose Handler
Crane ManufacturerMacGregor
Crane ModelsHH 630-2020-4, SWL 20T x 20M,
GP 100-0217.5-2, GP 250-1017.5-2
ValveSauer Danfoss PVG 32

The VLCC Tanker was undergoing dry-dock repairs at Keppel Shipyard in Tuas and required an overhaul of a Sauer Danfoss PVG 32 on its hose handling cranes.

Onboard the vessel there is two MacGregor hose handling cranes types: HH 630-2020-4 and SWL 20T x 20M. There are also two provision cranes onboard: GP 100-0217.5-2 and GP 250-1017.5-2.

Alatas Singapore was tasked to carry out a 5 Yearly Crane Inspection. Among others, the agreed job scope included component overhaul, replacement of all hydraulic hoses and load testing.

The inspection found the Sauer Danfoss PVG 32 proportional control valves, were found to be corroded and had to be fully overhauled. Hydraulic valve repairs, overhaul and testing were carried out by our specialised Valve Repair Workshop.

Read the Valve Repair and Test Report below:

Here’s what the tanker owner had to say upon successful conclusion of the repairs:

“Thank you for the excellent job carried out on all deck cranes on board our vessel. Please express our appreciation to your lead engineer and his team.

The attached service reports for the cranes and the control valve blocks are highly professional. Without hesitation will we continue your recommend your services and will recommend you as a highly professional crane service organisation.”

VLCC Tanker owner


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