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S. Gopal

With the massive explosion of the Internet, companies worldwide have been scrambling to provide the infrastructure required to support these telecommunication needs. The task of laying these lines typically requires the services of an ROV (Remotely Operated Vehicle) often manufactured by the market leader, Perry Slingsby Systems Inc. of Jupiter, Florida.Perry. Slingsby Systems has been a leading manufacturer of underwater vehicles. The newest generation vehicle, Triton (T200), is a state-of-the-art ROV built to work in the toughest conditions.

To meet the challenging requirements demanded by the T200s, Perry Slingsby Systems looked to Parker Hannifin Tube Fittings Division, a leader in the fluid connector marketplace, for the high-performance connectors required for such a critical application. Perry Slingsby Systems is the new name of the combined businesses of Perry Tritech and Slingsby Engineering formed in May 2000.Together the two brands have developed and manufactured over 300 ROVs and 150 diving submarine systems of all types over the last 35 years.

Today the company specialises in the engineering design and manufacture of remotely operated vehicles (ROVs) for the international oil and gas, telecom, military, nuclear, and other related markets.

Telecom sector

The use of remotely operated vehicles in the telecom market is derived from the need to install, maintain, and repair fibre optic submarine cables, which span the globe. The once moderately sized market has seen tremendous growth due to the resulting need to support Internet traffic and the privatisation of public telephone utilities.

Partnership with Parker fluid connectors

When developing the specifications for the fittings to be used, PerrySlingsby Systems looked at the latest technology for leak-free systems. The reason is simple: leaks are not just a nuisance, they are potentially catastrophic. The typical ROV system features a very small reservoir as opposed to traditional, industrial hydraulic systems. The reservoir is to the ambient seawater environment and typically holds a few gallons of variable volume. The small amount of fluid on board means that any fluid leakage can deplete the reservoir reserve and force termination of the operations and system recovery.

Additionally, these systems are operated inthe marine environment where fluid leakage is not tolerated due to environmental concerns. With this in mind, Perry worked with Parker Hannifin to determine the most appropriate connection for their products. After evaluating, the choice was Seal-Lok (O-ring face seal) fittings with Parker's exclusive

Parflange technology

According to Perry engineering, Seal-Lok is ideal in applications where leaks absolutely cannot be tolerated, it performs extremely well in applications with severe mechanical shock and vibration. The Seal-Lok system is also suitable for larger piping systems operating at higher pressures, which allows Perry to manufacture higher power systems. With the powerful thrusters used to manoeuvre an ROV, this performance. Due to some of the unique requirements associated with ROV plumbing.

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