If you have an application needing chemicals mixed, liquids blended, solids suspended or dissolved, dispersion of immiscible liquids, or dispersion of small amounts of gases in liquids then consider a Madden Mixer. Madden offers four different models of mixers and has been doing so for over 60 years.
Let’s look at each mixer line.
Madden can provide a pump to go as low as 0.1 GPH (0.38 L/hr) and as high as 360 GPH (1,362 L/hr). From our literature, you may think that Madden’s minimum output is 1 GPH, but keep in mind that Madden pumps have a 10:1 adjustment knobs which allows for manual adjustment of the stroke length of a pump. You may also think the max is 180 GPH, but we can duplex the pumping heads to double the output. Let’s take a closer look.
Madden Pump has been making quality boiler blowdown equipment and chemical metering pumps for over 60 years. And since then, many competing companies have come and gone in the industry; some becoming part of huge conglomerates, buying up many different types of manufacturers, and others were bought to become a vital cog in another business’s repertoire.
If you’re not an expert in all things pumps, finding the right pump for your application can certainly be a daunting task. There are so many different kinds of pumps that differ in function, and on top of that, even the pumps with the same function have different names. The point of this blog is intended to give some comfort and relief that you are indeed researching the right pump for your application.
At Madden we pride ourselves in serving a niche market extremely well. While some applications can be serviced with a cheaper solenoid driven pump, and other applications justify an expensive, high pressure hydraulic pump, Madden pumps are available to handle the majority of industrial metering pump application requirements.
At Madden we have all kinds of statements that in one way or another refer to great quality. That is the competitive advantage we have chosen to center a profitable business around. Because of this choice we know that great customer service is a critical element when it comes to satisfied customers.
Sulfuric acid is predominately used in the production of fertilizers and manufacturing of chemicals. It is also commonly used for pH control of water. If you would like to know more about sulfuric acid, Pubchem has a simple write up on this chemical which you can read by clicking on this link.http://pubchem.ncbi.nlm.nih.gov/compound/sulfuric_acid
Madden has started posting articles on common chemicals being pumped via the JN, MF, and MH Madden Pumps. The intention of this blog is to walk the reader through our process as to better understand how and why we come up with our recommendations.
Some of the more common, harsh chemicals we receive inquiries on and build pumps for are sodium hypochlorite, chlorine dioxide, and sulfuric acid.
As a company serving a niche market with a niche product we understand the importance to compete on quality, customer service, and maintaining business relationships… we simply wouldn’t thrive without these core principals. In achieving these core principals we would expect a level of comfort and trust from end users; trusting that Madden is providing you the best and most appropriate pump for their applicatio
When a specifying an automatic metering pump, we must specify both the variable speed motor and the controller. Let’s take a look at the system to help you make the motor and controller choice that will satisfy the needs of your application.
When you want to specify a metering pump the first two elements to define are matching the wetted end materials of construction to the liquid being pumped so the pump can safely and economically handle the liquid and determining which pump model will deliver the range of flow that you need for the application.
In addition to selecting wetted end materials to handle the liquid to be pumped, Madden offers several types of check valves to be considered when specifying a metering pump. Check valves are an integral part of the wetted end of the pump. We have prepared the following discussion to help you prepare a specification that will satisfy the needs of your application.
In an earlier blog article on specifying a metering pump we stressed the importance of matching the liquid to be pumped with wetted end materials of construction that can safely and economically handle the liquid. We want to prevent leaks and spills, and specifying appropriate materials will accomplish those goals. As a reminder, the wetted end is any part of the pump that comes into contact with the liquid being pumped.
Madden makes three series of diaphragm metering pumps to cover a wide range of flow capacities.
Here are some options to take into consideration as you are specifying the check valves for a metering pump:
The JN Series diaphragm metering pumps have the smallest flows, with six models in the series ranging from the smallest model with 1 gallon per hour maximum capacity, up to 11 gallons per hour for the largest model in the series. The check valves in the JN Series pumps have double ball checks for both the inlet and the outlet valves. The valve body is always the same material as the solution head. For example, a pump with a PVC wetted end will have a solution head of PVC, and the valve bodies which include the piping connection will also be PVC. The valve seats for the JN Series pumps are made of glass filled Teflon to resist the chemical action of most liquids that a metering pump will be required to handle. The valve gaskets are also Teflon. The choice that is available is in the ball checks which can be 316 stainless steel, ceramic, Hastelloy C or Teflon. The lowest cost check ball option with a satisfactory chemical resistance for the chemical to be pumped should be selected.
The middle capacity range is the MF Series diaphragm metering pumps, with capacity starting at 5 gph for the smallest model, up to 75 gallons per hour for the largest model. Here again the valve body and piping connector are the same material as the wetted end selected. Several types of valves are offered for the MF Series pumps.
The MH Series diaphragm metering pumps offer four models ranging from a capacity of 96 gallons per hour, up to 180 gph for the largest model. The valve bodies will always be the same material as the solution head, and the valve gaskets are always Teflon in this series. Standard valve seats are glass filled Teflon which is great for most liquids. Stainless steel and ceramic valve seats are offered for abrasive slurry pumping. Valve ball options for the MH Series include 316 stainless steel, Carpenter 20, Hastelloy C, and Teflon.
Specifying the most economical and durable check valves for a metering pump will guarantee trouble free pumping with the maximum service life between repairs. For help in specifying metering pump valve options consult the Madden Pump Selection Guide on our website, call us, or send us an email inquiry. We are always quick to respond.
Do you need local sales representation to help select the pump model, wetted end construction, or to help guide installation, set up or staff training? If so then you need to contact your trusted local representative who can provide that assistance. Madden has sales representatives and distributors in most parts of the US who are trained and experienced in metering pump applications.
What spare parts should be stocked for a metering pump if we don’t know much about metering pump construction? We have prepared the following list to help you understand the common service parts of a metering pump to help the pump specifier to document the needs of your application.
How do we specify the requirements of a metering pump if we don’t know much about metering pump construction? We have prepared the following list to help you understand the elements of a metering pump to help the pump specifier to document the needs of your application.
How do we specify the piping accessories required when specifying a metering pump? We have prepared the following list to help you make appropriate choices that will satisfy the needs of your application.
In our previous blog articles on specifying a metering pump we stressed the importance of matching the liquid to be pumped with wetted end materials of construction that can safely and economically handle the liquid. We also discussed the electrical drive motor options for a metering pump. Here are some thoughts to take into consideration as you are specifying accessories for a metering pump:
Specifying the motor and controller are both required when a specifying an automatic metering pump. We have prepared the following list to help you make the motor and controller choice that will satisfy the needs of your application.
In our previous blog articles on specifying a metering pump we stressed the importance of matching the liquid to be pumped with wetted end materials of construction that can safely and economically handle the liquid. We also discussed the electrical drive motor options for a metering pump. In order for the pump to do its work automatically Madden pumps use a variable speed motor and a controller.
In addition to selecting wetted end materials to handle the liquid to be pumped, several other factors need to be considered when a specifying a metering pump. We have prepared the following list to help you make the right metering pump choice that will satisfy the needs of your application.
A number of factors need to be considered when specifying a metering pump, so we have prepared a list to help satisfy the needs of your application.
At Madden, the first thing we want to know when we’re talking to a customer about specifying a metering pump is what chemical or liquid is going to be pumped. The nature of the liquid will help us determine what materials of construction are appropriate for pumping as we want the pump materials to resist the attack of dangerous or corrosive liquids.
There are many different types of pumps that can be used for metering chemicals so we have devised a list to help you determine the most appropriate for chemical metering applications.
