Webtool unveils first battery-powered ROV hydraulic system
Webtool has unveiled its first battery-powered hydraulic system for remotely-operated vehicles (ROVs). The high-pressure hydraulic power pack, called EHP350, gives electric ROVs a cutting capacity for softline ropes and guidewires. It is designed to be used with Webtool wire rope and softline, at water depths of up to 1,000 metres.
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Webtool EHP350 powerpack and DFC1 Cutter (photo: Webtool)

Hydraulic cutting tools specialist, Webtool, has announced the industry’s first battery-powered, high pressure hydraulic power pack, enabling smaller and inspection class ROVs access to the Webtool range of hydraulic wire rope and softline fibre rope cutters, at Offshore Europe 2017. In addition, the stand will feature the Webtool Cable Retrieval Tool (CRT200), developed in consultation with international certification body and classification society, DNVGL, and the Webtool portable, softline, deck emergency cutter for offshore vessels.

The lightweight, battery powered power pack gives electric ROVs a Webtool cutting capability for softline ropes and guidewires. Called EHP350, it is designed to be used with Webtool wire rope and softline at water depths up to 1,000 metres.

“The Webtool electro-hydraulic power pack is an important advance in broadening the scope for our cutters to be deployed on all-electric, smaller ROVs,” says Keith Elliot, engineering director, Allspeeds Ltd. “It allows up to 20 cuts on a single charge of the power pack’s high capacity, rechargeable battery.”

Cable and Umbilical Retrieval

The Webtool CRT200 is designed for cable and umbilical retrieval, and decommissioning projects. It allows the safe and controlled recovery of cable up to 8-inch diameter. The hydraulically operated gripper is the first Cable Retrieval Tool developed in consultation with international certification body and classification society, DNV GL.

Softline Deck Emergency Cutter

The Webtool portable softline emergency cutter is transported in a self-contained “sack truck” containing a hydraulic accumulator and manifold with lockable control panel and a removable cutter. During deployment, the cutter and its frame are lifted off the sack truck and placed over the fibre rope. In the event of an emergency, the cutter, connected to the control panel via a hose, is activated to cut the rope instantly.

Webtool Hydraulic Cutting Systems

Webtool hydraulic cutters for steel and fibre ropes are being used on a growing number of subsea and topside applications. Recent projects have included well intervention emergency disconnection packages, fibre rope winch emergency disconnection and decommissioning projects involving multiple Webtool cutters acting simultaneously.