Whether used for cooling, or the process itself, the raw water drawn from lakes, rivers and reservoirs must first be strained to create acceptable water for use. In many industries this means continuously straining tens of thousands of gallons of water per minute to remove dirt and debris that can wreak havoc on critical process systems and equipment. In essence, the raw water strainers that accomplish this task are the first lines of defense for the entire plant's system. Choosing an inadequate strainer can lead to high maintenance and operating costs, periods of insufficient water supply, damage to process equipment, and expensive downtime. Worse, the straining media of an overwhelmed water strainer can rupture or collapse, permitting debris to compromise critical plant operating components. In the power industry, for example, clean water is crucial for a variety of tasks including, among others, extending the service life of turbine seals and for the protection of spray nozzles and heat transfer equipment.
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