The Caldwell Group - A manufacturer of below-the-hook lifting solutions
The Caldwell Group is a manufacturer of below-the-hook lifting solutions for crane, material handling and other applications. The company’s engineers are specialists in designing bespoke solutions for the world’s most challenging, heavy duty projects. The product range is varied and includes lifting and spreader beams, vacuum attachments, remote releasing hooks, and gantry cranes.
Caldwell Adds RUD ROV Hooks to In-Stock Program
Rockford, Illinois-based The Caldwell Group Inc. has added remotely operated vehicle (ROV) hooks from RUD to its in-stock program.
The hooks, available in 10t and 25t capacity, are supplied through Caldwell’s dealer network, primarily for use in underwater applications in the Gulf Coast region. Caldwell and the RUD Group unite their sales and marketing activities in North America, and now stock more ROV hooks here than ever before.
Access to ROV hooks is important to major subsea, and oil and gas, contractors for utilization in multi-million-dollar projects to handle valuable loads in hazardous environments, often many miles offshore and up to water depths of 10,000 ft.
The safe lifting and lowering of loads on deck and underwater—coupled with ambient conditions, unpredictable currents, and difficult lighting—presents enormous challenges. The sector is nearly always time pressured, and precision is fundamental to safety.
The hooks can be used by major contractors, like Oceaneering International Inc., to install long baseline transponder frames, rigid M-shape jumpers, and associated subsea distribution hardware, for example. Users must eliminate the risk of dropped objects, especially when passing through the water interface, and provide a user-friendly subsea solution.
Twin trigger mechanism
The RUD ROV hooks can be operated by all commonly used ROV manipulators, including the grabber. The hook eliminates the risk of snagging and accidental rigging; the outer proﬁle is smooth with no protruding hook nose. The outwardly opening safety latch, which can be operated by a single manipulator, automatically closes when the ROV releases the triggers, and it is securely locked in closed position. Overall hook design minimizes the time the ROV takes to carry out the attachment / detachment operation.
Jay Schroeder, western sales manager at Caldwell, said: “Just like every other market segment, when someone needs it, they need it now. Many times, you can’t anticipate when you have a failure or an emergent need, and it is important to keep the job running. Overall, it is important we have these hooks in stock. The equipment our ROV hooks are lifting is often worth well over a million [dollars].”
A standout feature of RUD ROV hooks is the twin trigger mechanism; it opens only by pressing both triggers simultaneously. It only requires one hand to operate whereas most alternatives need two hands to open and close. The yellow oblong master link serves as the target for operators. Radio-frequency identification (RFID), meanwhile, enhances inspection and tracking.
Schroeder added: “RUD is a high-quality, Germany-manufactured product, so it takes a certain type of company to be able to deliver it here in North America, keeping lead times short and stock levels high, close to the point of use.”
Caption: LiftPull’s Ruben Delgadillo (left) and Oscar Richerson with a larger (25t) remotely operated vehicle (ROV) RUD hook.
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