Buying a Dosing Pump
Dosing pumps are used in a wide variety of industries including water treatment, electroplating and mining. They are often powered by an electric motor or air actuator and have a controller to turn the pump on and off and control the flow rate.
The pump itself is typically made of corrosion resistant PVC, PE or other plastics, rubbers and stainless steel. It will usually have a suction side connection and a discharge side connection with a non-return valve on each.
Accuracy
Dosing pumps are often used to add chemicals or other substances into a fluid stream or vessel. They are commonly used in industries such as water treatment, agriculture, industrial, manufacturing and mining.
Accuracy is one of the most important factors to consider when choosing a dosing pump. The more accurate the pump, the less error it will produce in your application.
A pump with a high accuracy will produce a consistent amount of product and prevent it from running out. This is a vital feature for a dosing pump, particularly in industries where demand can fluctuate from day to day.
The oil and gas industry, for example, is an especially demanding market when it comes to turndown accuracy and adjustability. It is crucial to be able to deliver the right amounts of certain chemicals to keep well-heads flowing.
When it comes to dosing pumps, the most accurate option is a digital model that is capable of self-calibrating and compensating for fluctuating application conditions. This eliminates the problem of stroke length modification that many mechanical dosing pumps have, which can cause priming problems and result in off-gassing liquids affecting the system performance.
Some of the more advanced metering pumps are also capable of adjusting their capacity automatically as the process requires. This is a great feature in many applications, as it saves time and energy for the operator and increases efficiency of the entire system.
Durability
When you’re buying a chemical dosing pump, the durability of the product is an important aspect to consider. A pump that can withstand abrasive, acidic, caustic, and other challenging Dosing Pump media will last longer, saving you time and money down the road.
The material used to build the pump will also affect its durability. For example, plastics are the least expensive and provide excellent corrosion resistance and protection from a wide range of chemicals. Stainless steel alloys and cast iron are also common options for a variety of system applications.
Another important feature of a dosing pump is its design. If you’re looking for a chemical dosing pump that won’t wear down over time, consider a design that features heavy-duty components like a solid metal drive mechanism or direct-drive gears.
For a pump that can handle the most demanding chemicals, look no further than the Blue-White CHEM-FEED(r) CD3 dual diaphragm dosing pump. Featuring durable, single-layer DiaFlex(r) PVDF diaphragms that are engineered to last, the CD3 can handle a wide range of chemicals with ease.
The DOS’s sure-fit compression fittings are virtually leak proof, compared to the common double-barbed connectors found on many of the other dosing pumps in the market. Leak-proof fittings help to prevent air from leaking into the tubing and causing the pump to fail.
It’s also worth noting that the DOS uses much larger tubing and fittings, allowing it to handle more fluids in less time than other dosing pumps. This means that the DOS is able to pump up to 4x the amount of fluid that other dosing pumps can.
Finally, it’s important to keep track of the level in the dosing tank and check that it’s not going down. A change in the level can indicate a leak or blockage.
The most effective way to make sure your dosing pumps are performing at their best is to keep them clean and well maintained. Keeping a record of daily inspections and cleaning will help to ensure that your dosing equipment is always in top working condition.
Flexibility
Dosing pumps are used to add small but accurate doses of liquid to other fluid streams. They are able to do this by using a combining chamber 40 that is designed to maintain a constant pressure and Dosing Pump match the inflow and outflow rates of the constituent streams.
The combining chamber is also fitted with a level controller 46 which ensures that the amount of liquid in the pump is maintained at the correct level. This is a very important feature when the product you are dosing contains a lot of liquid, if it doesn’t stay at the right level it can cause problems.
Some dosing pumps are programmable which means you can control exactly how much product is dosed and at what frequency. This can be done with a simple timer and flow switch up to a full SCADA or similar system where you can monitor and control your system remotely from a central control room.
Dosing pumps are designed to add a range of chemicals to water and other liquid streams. They can be used to adjust the pH of water, kill bacteria or give protection against corrosion and precipitation.
They can be either a diaphragm type constant injection where the product is injected out at a fixed rate depending on the amount of product being dosed, or a piston type with a variable injection. The most advanced dosing pumps are direct programmable which allow you to control the product you are dosing and at what frequency it is being dosed.
Diaphragm type dosing pumps are mainly used for water treatment and other applications that require the chemistry of a liquid to be controlled very precisely. They are based on a diaphragm that is controlled by a motor and an adjustable stroke lever.
This allows the user to vary the motor speed and the amount of chemical delivered per stroke allowing for very precise dosing, ideally matched with a meter reading system or other analytical device. They can be used in a wide range of applications from small devices that fill creme tubes to large dosing systems in process industries.
Cost
Dosing pumps are used to inject chemicals or other substances into a fluid stream, such as water, gas or steam. They are also called dose pumps and metering pumps.
Dosing pumps come in a variety of sizes and designs. They can be small, portable devices that are operated by one person, or they can be large, heavy systems that require a lot of space and are often integrated into a process control system.
They can be made of a range of different materials, including plastics (PVC, polyethylene or rubber) and stainless steel. They can be controlled by an electric motor or an air actuator, and they often have a controller that turns the pump on and off and manages the flow rate.
There are three types of dosing pumps: metering dosing pumps, piston dosing pumps and reciprocating dosing pumps. They all have a similar design, which involves a displacing element that moves a volume of liquid through the device.
A metering dosing pump can be simple, such as a solenoid, or more complex, like a peristaltic dosing pump, which uses a wiper to push the fluid out of the tube. They can be used for low flow applications, but are typically more expensive than simpler dosing pumps.
Diaphragm dosing pumps are also a common type of metering pump. They operate by pushing out a fixed amount of fluid in each stroke, with the frequency of the strokes regulated to control the flow rate.
Similarly, piston dosing pumps work by squeezing out a specified amount of fluid in each stroke, with the rate being regulated by the speed of the motor. These pumps are more expensive than metering pumps, but they offer more precise dosing.
Dosing pumps are an essential part of any water treatment or process application. Whether you’re adding acids to the water, or using a chemical to kill bacteria, a dosing pump will ensure that the correct amount of product is added at the right time. They are also useful for regulating the pH and other chemical levels in the water to help keep it balanced and healthy.