NOTTINGHAM, England, Jan. 30, 2017 /PRNewswire/ -- Also known as product recovery, "pigging" is in wide use among companies that process liquids. It's used in everything from food and beverage production to paint, household goods and cosmetics manufacture. And with productivity and sustainability high on the agenda of most businesses, the use of pigging is becoming even more widespread.
Pigging recovers liquid in pipes that would otherwise be wasted. It increases yields, speeds up changeovers, and saves water and cleaning chemicals while lowering contamination risks. And because pigging reduces waste and associated disposal costs, it also helps companies towards their environmental sustainability goals.
Gilbert Murphy, CEO of process pigging specialists HPS Product Recovery Solutions, commented, "A few years ago, most companies deployed pigging systems to increase their product yields and improve operational efficiency. While these are still key considerations, we're now finding the environmental and sustainability benefits of pigging are just as important to our clients."
Pigging works by propelling a special projectile, called a 'pig', through pipelines. The process pig has a diameter slightly larger than the inside diameter of the pipe. It fits tightly in the pipe, which means liquid can't get past it. Instead, the pig quickly and safely transfers residual product to its destination tank or on to the next stage of the process. This is instead of disposing of it as part of a flush or clean in place (CIP) cycle.
Pigs are usually magnetized to enable detection and pigging system automation. However, in any pigging system, it is important that the pigs do not contain solid magnets. This is because solid magnets can fragment, compromising the safety of people and equipment. It also risks product contamination.
Gilbert continued, "When it comes to pigging, customers demand performance and reliability. HPS pigs are flexible, robust, one-piece design. They have extremely high product recovery rates - up to 99.5%. Rather than solid magnets, HPS pigs have a silicon-based magnetized core which can't shatter. They're also long lasting, and while no pig will last forever, we guarantee ours for a minimum of 30 km of use."
Pigging systems can be incorporated into existing plant and pipework, as well as new installations. However, because nearly every plant and processing facility is different, so is every pigging system.
Gilbert concludes, "While there's no 'one size fits all' when it comes to pigging system design, we confidently say to our clients they will achieve an extremely high ROI from our solutions. As well as helping environmental sustainability, the systems also rapidly pay for themselves, typically in less than a year."
Pigging technology has been around for some time. It forms an integral part of many well-known brands processing systems. And with the increased productivity, improved sustainability, rapid payback and high ROI pigging systems deliver, their use is set to become even more widespread.
About HPS Product Recovery Solutions
Founded in 1995, HPS Product Recovery Solutions increases its customers' profitability by maximizing product yields, reducing waste, helping environmental sustainability and improving efficiency. This is through product-recovery (pigging) systems, liquid distribution and transfer solutions for processing industries.
Headquartered in Nottingham, UK, HPS has offices in the US, Australia, and global partners worldwide, including China, India, Malaysia and Thailand.
Phone: +44 (0) 115 925 4700
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SOURCE HPS Product Recovery Solutions