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Pumps: Metering and Transfer
Metering Pumps: Diaphragm and Peristaltic
Diaphragm based pumps are used because they can deliver chemicals quantitatively to a process. They can fit into a control scheme as either an ON-OFF device or as a PROPORTIONAL device. We can provide either. Based upon the requirements specified, we can offer a number of choices from several different manufacturers: Hanna Instruments, Blue-White, Hayward and LMI. Some of the key factors are speed of pumping, pressure, viscosity, ON-OFF or Proportional dosing and capacity. In addition special consideration must be given to delicate chemicals like polymers, since they can be damaged by improper pumping. Polymer dilution for instance requires a special system.
Blue-White Flex-Pro Advanced Peristaltic Pumps
The next generation in metering pumps are here.
These pumps replace conventional diaphragm pumps with superior technology. No more expensive diaphragm replacements and repair time.
Blue-White Peristaltic Pumps
These pumps are controlled with with an ON-OFF relay or with a proportional analog (4-20mA) signal.
Hanna Instruments Diaphragm Metering Pumps
The Blackstone Series of metering pumps features Teflon wetted parts. Each pump has an adjustable speed control to allow for setting the proper dosage. Typically these pumps are controlled remotely by a pH, ORP, conductivity or other ON-OFF process controller relay. If cost is a factor in the system design, these pumps are a good choice.
Ask us about our Ultra low proportional metering pumps for pharmaceutical applications. Flows can be controlled to a very small fraction of a milli-liter per second.
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