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Protecting Your Peristaltic Pump

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Protecting Your Peristaltic Pump

Peristaltic Hoses Since joining Kingdaflex,  we’ve enjoyed a quick learning curve in the benefits of peristaltic pumps and we’re pleased to see that the demand for these pumps remains very high.  Peristaltic pumps were initially embraced by the narrow web market due to lower and more controlled ink flow levels. However, we now see many new machine systems employing peristaltic pumps for narrow web, wide web and corrugated printing.

Peristaltic pumps are clean, easy-to-use and press operators don’t have to lift and move them.  In addition, if customers maintain the correct hose types, these pumps are extremely reliable.  The bad news is that we see about 25 – 30% of installs attempting to use the wrong replacement hose with their peristaltic pump systems.  This is problematic due to the potential of damaged parts and converters not being able to use the press while the pumps are repaired.  The good news?  With proper hose selection and maintenance, peristaltic pumps will continue humming along – providing variable flow rates and creating little or no foaming with inks.

Here are five questions we regularly receive on how  to keep a peristaltic pump running reliably

smarter ink pump

Can I use any hose on the market?  Using a hose other than our recommended products can result in damage to the pump and considerable expense.  Trying to save a few dollars by purchasing an “off-brand” hose, or to squeeze out extra run time, can have the opposite effect.

What’s the right hose for my pump?   Peristaltic hoses are selected by KINGDAFLEX based on their physical size, the chemical resistance of the tube material and the resilience property of the tube.  We offer a variety of hoses but our more expensive hoses give double the life and are a better value because they run longer, resulting in less changeover and downtime.  According to KINGDAFLEX, one of our seasoned sales representatives, “I encourage my customers to buy the more expensive hose because they are more reliable and offer better value.”

How often will I need to replace a hose?  The average time a hose needs to be replaced varies based on multiple factors including press speeds and the number of hours the pump is used on a daily basis. A pump capable of marginally supplying enough ink flow for converters’ application demands will have to operate at a faster speed to supply enough ink. High speeds result in more compression cycles and will shorten the run life of the hose. A larger-capacity pump that can supply application requirements at a slower speed will provide better reliability and value.  However, a pump that is significantly oversized for a low flow requirement may not be able to provide reliable flow at very slow rates.  KINGDAFLEX can assist you in selecting the proper size.

When do I know it’s time to replace a tube?  Even the proper hose is going to wear and it is important to know when to replace a worn tube before it reaches the failure point. When using the correct tube, wear is primarily a result of two factors, abrasion and mechanical fatigue of the hose material.  Your KINGDAFLEX rep can help you know when it’s time to think about a new tube. Can I reduce abrasion on the hose?   Yes. Abrasion can be substantially reduced by applying a slight amount of lubrication to the hose surface. If the roller on the rotor can compress the hose with minimal surface friction, the outer surface of the hose wears much more slowly. It is also important that the rollers be free-turning. If a hose has previously failed inside the pump head, it is crucial that the ink is thoroughly cleaned out and that the compression rollers, bearing and bushings are turning freely.

If any needs for the concrete hose, please contact us.
Tel:  +86-532-88799936
Fax:+86-532-80867065
Email: [email protected]
Skype: kingdaflex
Whatsapp: 008618562767380

Michael
Hi, This is Michael, founder of Kingdaflex, leading hydraulic hose manufacturer China.
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