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Prevent expensive pump cavitation damage with Vortab Elbow flow conditioners

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article image Vortab flow conditioners offer an effective low-cost solution to eliminate the turbulent fluid flows that result in pump cavitation
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AMS Instrumentation and Calibration presents the Vortab Elbow flow conditioner designed to keep pumps running, reducing maintenance and extending pump life.

Recommended for process engineers responsible for keeping pumps running in plants crowded with equipment and awkward pipe layouts, Vortab flow conditioners offer an effective low-cost solution to eliminate turbulent fluid flows that cause pump cavitation, which can lead to line shutdowns, expensive maintenance and shorter pump life.

Pump cavitation is caused as a result of liquid swirls and bubbles forming in a pipe, with the turbulent asymmetrical flow patterns creating a vacuum suction leading to high pressure shock waves on reaching the pump’s impeller. The resulting stress on the impeller blades pits them and requires extra maintenance or costly replacement.

All pumps require a smooth, regular symmetrical inlet fluid flow profile for efficient operation. Pump manufacturers typically recommend a length of straight pipe to be placed upstream from their pumps to avoid creating the turbulent flow conditions that may lead to pump cavitation. However, such a long straight pipe run could be impractical in many instances because of insufficient space, or the need for elbows and U-joints, flow meters, valves and other equipment.

Installing a flow conditioner will usually solve the problem of irregular flows prior to contact with the inlet port on the pump. Vortab Elbow flow conditioners, for instance, mimic the straight run needed for efficient pump operation and remove asymmetric velocity flow profiles, helping to achieve a pre-conditioned flow stream. Additionally, the 90-degree angle tab-type Vortab Elbow flow conditioner eliminates the straight pipe run cost and installation technician labour.

The Vortab Elbow was developed using the same tab-type flow conditioning technology as the straight run Vortab flow conditioners, which have been laboratory proven and successfully installed in hundreds of plants worldwide.

The simple, flexible designs of the Vortab Elbow, the Vortab Insertion Panel (VIP) and the Vortab Insert Sleeve, Short Run, Meter Run and Field Kit configurations provide a cost-effective solution to crowded installations for flow meters and other critical process equipment. Vortab provides the most effective flow disturbance isolation and lowest pressure drop, and is the least affected by fouling among all flow conditioners available.

Vortab flow conditioners are available in carbon steel, 316L stainless steel or Hastelloy C-276, with a choice of process connections including ANSI flanges, male NPT threads, butt welded preps or retaining wafers. Custom configurations are also available from the factory. 

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