Emerson solution to control seawater filtration and reticulation systems for a dolphinarium and aquarium
AUSTIN, TEXAS (July 1, 2004) -- uShaka Island Marine World, located in Durban, South Africa, is a new world-class entertainment and tourism destination containing an extensive aquarium, a dolphinarium and a seal stadium. Emerson Process Management has supplied a complete valve automation solution to control the flow of seawater to the filtration units and to maintain tank levels. “We are delighted to have supplied equipment on this prestigious project,” said Martin Horsfall of the Emerson Valve Automation Center in Johannesburg, South Africa. “The uShaka Island complex is very important to the tourism industry for South Africa. The Marine World exhibit is an essential part of the overall complex and it is important that it stays operational.
El-O-Matic actuators guarantee virtually the longest working life of any actuator in the industry, helping to ensure the water supply systems will not let them down.”Water quality is very important, both in respect of chemical and biological quality and of clarity; the target for clarity is that there should be over 50 meters of clear visibility in each of the exhibits. Because of these stringent requirements, it is necessary to have extensive filtration systems.
S.A.M.E. Water Projects, who designed and installed the filtration systems, will use the Emerson solution for filter feed and backwash control as well as controlling level in the tanks and isolating the piping system.
Two hundred thirty-five of the EPDM rubber-lined butterfly valves are automated with Emerson El-O-Matic E series actuators, twenty-five of which have modulating positioners. The valves range in size from DN80 to DN600 and have nylon-coated discs to suit the sea water application. The remaining actuated valves are fitted with NAMUR compatible solenoid valves and switch boxes. The actuators are mostly double-acting and range in size from ED40 to ED1600; there are also two PD2500s fitted to DN600 valves.As part of the customer acceptance process, valves were randomly selected and subjected to extensive cycle testing.
The valves were immersed in seawater and operated a minimum of 600 times, at six second intervals. This simulated the valves’ cycling requirements for approximately 3 years of operation.
About Emerson Process Management
Emerson Process Management ( www.emersonprocess.com ), an Emerson business, is a leader in helping businesses automate their production, processing and distribution in the chemical, oil and gas, refining, pulp and paper, power, food and beverage, pharmaceutical and other industries.
The Valve Automation Division ( www.emersonvalveautomation.com ), one of Emerson’s family of final control businesses, consolidates a vast array of valve automation products and services, bringing together well-known industry names Bettis®, El-O-Matic®, Hytork, Shafer, and Dantorque. Its best-in-class technology and expertise play a key role in Emerson’s combining of superior products and technology with industry-specific engineering, consulting, project management and maintenance services. Emerson brands include PlantWeb®, Fisher®, Micro Motion®, Rosemount®, Daniel®; DeltaV(TM), Ovation®, and AMS(TM) Suite.
About Emerson
St. Louis-based Emerson ( www.gotoemerson.com ) is a global leader in bringing technology and engineering together to provide innovative solutions to customers in process control; electronics and telecommunications; industrial automation; heating, ventilating and air conditioning; and appliance and tools.
Sales in fiscal 2003 were $14 billion.PlantWeb, Fisher, Micro Motion, Rosemount, Daniel; DeltaV, Ovation, Bettis, El-O-Matic and AMS Suite are marks of Emerson Process Management. Other marks are property of their respective owners.