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If it's precision crafted and affordable peristaltic pumps you need, then you've come to the right place! Primary's team of talented and experienced engineers have been designing, manufacturing and supplying superior solutions to a wide range of satisfied customers for over two decades and would love to add your company to the list of satisfied business partners. Please call Primary today!
Yamada America, Inc.'s precision manufactured peristaltic pumps are of the highest quality and simple to install. Yamada's talented employees use their experience and know-how to supply a vast array of quality pumps that can run at any setting within their operating range simply by adjusting the air inlet pressure and system conditions. One pump can fit a broad spectrum of applications.
For almost 80 years, Oil-Rite Corporation has been providing its customers with excellent solutions for a variety of applications and manufactures 90 percent of components using its in-house work centers. Oil-Rite has a 75,000 square foot facility and operates two shifts with 60 employees, supplying quality peristaltic pumps to a wide range of customers and industries.
The Randolph pump can be found working in industries such as printing, food, pharmaceutical, nuclear, and wastewater. With many standard models available for quick delivery, Randolph Austin Company also provides custom solutions to various applications. For high-quality peristaltic pumps available at competitive prices, please contact Randolph today or go to the website for more info!
In addition to their excellent peristaltic pumps, Madden takes pride in their outstanding customer service and communications. Most of Madden's products are assembled to order from their stock component inventory to meet the customer's specifications and service requirements-repair parts ship in 1 day with virtually 100 % fill rate and orders are shipped as promised, on time every time.
Moyno is a global leader in the design & development of the peristaltic pump. Its technological advancements have resulted in superior handling solutions for a wide range of applications including water-like & shear-sensitive materials. Through advanced, in-house research & development, engineers apply innovative design enhancements that differentiate Moyno's products from the competition.
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Industry Information
Peristaltic Pump
Chemical, laboratory, medical, pharmaceutical, sewage treatment, painting, construction, packaging, agriculture, pulp and paper, water treatment and engineering facilities make frequent use of peristaltic pumping systems. Like all metering equipment, these pumps are designed to introduce a consistent and cyclical flow of liquid into a process stream in order to maintain the homogeneity of the final product or solution. The operation is unique among liquid pumps. Although specific devices vary, the general function is similar. A length of flexible tubing is wound around a circular track which circumnavigates the pump head. One or more rollers are attached to the cylindrical center and used to compress the tubing at variable intervals. As the rollers move along they displace the fluids within the tube which are then exhausted through a release valve. When the roller is removed, the tube expands to its original volume creating a vacuum which pulls more fluid into the device and the cycle repeats. Unlike many other types of pumps, including bellows pumps, diaphragm metering pumps and piston metering pumps; the pumping mechanism of the peristaltic pump never makes contact with the fluids it dispenses. This makes its use preferred in applications where sterile liquids are required such as medical and food and beverage processing.
There are three common operational designs associated with the peristaltic pump. Fixed occlusion pumps have a set interval at which rollers are placed and a set pressure which they may apply. This allows for little variation in tube size and material, but does provide constant pressure and consistent performance. Spring loaded roller pumps allow for more variation in materials and flow rates. These offer constant stress operation but adjust to the different sized tubes that may be used for different manufacturing processes. The third type of peristaltic pump design is what is known as 360 degree eccentric. These mechanisms have a single over-sized roller that undergoes a complete revolution, compressing the tubing along the way. This particular design can increase flow per revolution up to 55% as compared to alternative designs of the same size. Though not always applicable, this third option also reduces the wear and friction on the tubing as it undergoes just one compression per revolution while others may experience stress three or four times during a single operation. The heat and wear resistance of the particular tubing chosen for a pumping application such as this is very important. Extruded elastomeric materials such as silicone rubber and fluoropolymer are used as they maintain a circular cross-section despite multiple compressions. Chemical compatibility between the hoses and the fluids they will process is also of great importance. Further considerations include inner and outer diameter, pump drive or power source, flow rate, number of rollers and wall thickness.
