Efficient Chemical Dosing and External Gear Pumps

Roto Pumps is one of the leading industrial pump companies in the world. They have been providing efficient pumps for more than 50 years and are among the top ten global producers of Positive Displacement Pumps. Roto Pumps has installed more than 10,000 pumps across a range of industries, including Chemical Dosing Pumps and External Gear Pumps.

Roto’s Chemical Dosing Pumps are known for ensuring a smooth and non-pulsating flow of liquids irrespective of their level of viscosity, abrasiveness and shear sensitive characteristics. These pumps are highly efficient in terms of providing high accuracy and repeatability. These pumps are suitable for low-flow applications as they are capable of handling a liquid flow as low as 0.68 LPH. They can easily handle the pumping applications involving the flow up to 500 LPH and pressure up to 24 bar. These pumps are used to inject chemicals into liquids, gas and steam. They are the ideal pumps for applications requiring precise dosing. They can also efficiently handle applications with intermittent and continuous dosing along with proportionate dosing of media.

The External Gear Pumps are another kind of pumps provided by Roto that are known for their efficient performance. External Gear Pumps are kinds of Positive Displacement Pumps. Their machinery consists of two gears provided inside a cylindrical casing. Both the gears are fixed in a manner that their teeth are intermeshing with each other. One of the gears is linked to a motor that powers the gear to rotate. The rotation of the gear propels the other gear to rotate in the opposite direction. The circulation of both the gears lifts the liquid inside the pump and moves it along the axis from the suction end to the discharge end. 

The sturdy built of the External Gear Pumps ensures easy transfer of viscous and abrasive media. Roto’s External Gear Pumps are available in a variety of materials including cast iron, cast steel and duplex steel.

Working of Complex Pumps

Progressive Cavity Pumps are built and designed to transport liquids of varied nature and compositions. They can handle a diverse range of applications efficiently as they can be customized as per the requirements of the customers. The most common factors taken into consideration while customizing these pumps are the level of viscosity and chemical properties of the concerned media.

The machinery of the Progressive Cavity Pumps consists of a single helix-shaped rotor and a stator. The principle of positive displacement inspires the working of these kinds of pumps. The pump ensures efficient functioning in the form of the rotor revolving inside the stator while pulling the media inside the pump. The media then moves through the cavities lined inside the pump, and exits the pump from the discharge end.

Roto Pumps is one of the most popular Progressive Cavity Pump manufacturers in the market.  Besides providing PC Pumps, Roto also caters to the other PC Pumps manufacturers by providing high-quality Retrofit Spare Parts including rotors, stators and other spare parts such as all ranges of coupling rods, universal joint kits and shafts.  

Roto Pumps also provide quality External Gear Pumps that also work on the principle of positive displacement.

An External Gear Pump comes with a pair of gears fixed inside a casing.  One of the gears is powered to rotate by a motor fixed at its end. The rotation of a single gear compels the other gear to move in the opposite direction as the teeth of the gears are locked together. The opposite movement of these gears helps to lift the liquid inside the pump that fills the vacuum between the teeth of the gears and the casing. In this manner, the media is carried from the suction end to the discharge end of the pump.

Special Benefit With External Gear Pump

Pumping is a very important requirement for many industries in our lives. A gear pump is also one of the popular choices for many pumping applications. Mostly used for hydraulic applications, these pumps are the crucial option for petrochemical as well as chemical industries. They efficiently handle the aggressive as well as viscous fluids. They have a limited pressure handling of below 140 bar. Falling into the category of fixed displacement pumps they make theoretically constant fluid movement.

External Gear Pump

An external gear pump is one of the most popular options of a hydraulic pump highly getting used in low-pressure ranges. Mostly these are used in simple machines. It contains meshing gears that run with minimum radial and axial clearance. In its working the fluid usually gets trapped with the gear pumps that separate and fluid then is carried to the periphery.

Advantages Of Gear Pumps

Sometimes fluids are too viscous for centrifugal pumps that are highly taken care of by a gear pump. The pumping action is usually controllable. With the doubling of the speed the output also gets doubled. Today most of the people are on a high search for chemical metering pump manufacturers because of the popularity of gear pumps. Their self-priming feature is also of major benefit. Some of the noteworthy advantages are as follows.

1. Self-priming
2. They display a constant delivery of speed
3. They are usually light and compact in weight
4. Volume efficiency is high

Disadvantages Of Gear Pump

The meshing gears usually contained by these pumps are not recommended for abrasive solids. One of the biggest disadvantages of these pumps is seen to be that they are very much noisy in nature. Also, the size parameter is too small making it difficult to function with large bulk flow rates. Here also some of the noteworthy disadvantages are as follows.

1. The pumping liquid must be cleaned otherwise the pump can get damaged.
2. Speed variables are usually required to be changed according to the delivery.
3. In case there is a dry-running happening then the parts can get damaged because the fluids to be pumped are used as lubricants.

Roto pumps are today widely known as one of the best cavity pump manufacturers, because of the quality cavity pumps they deliver. They are also highly known for external gear pumps. The company is committed to providing innovation in the life of individuals and is a popular choice today for pumping needs.

Positive Displacement Pumps to Handle Varied Media

Positive Displacement Pumps are the most common types of pumps and are used for a varied range of applications. These kinds of pumps are extremely versatile and can be used to handle both smooth and aggressive media. These pumps work on the principle of positive displacement, according to which the flow rate is generated when the space during an application is reduced and increased. One of the best quality Positive Displacement Pumps available in the market are provided by Roto Pumps. Roto Pumps are among the top ten Positive Displacement Pumps manufacturers in the world. One of the best kinds of PD pumps provided by Roto are the External Gear Pumps.

External Gear Pumps provided by Roto are simple and compact. They are capable of generating high pressures and are available in a simple four-piece design. An ideal External Gear Pump can be chosen for an individual application as they are provided in a variety of materials like cast steel, cast iron and duplex steel. These pumps are capable of handling the transfer of highly viscous and abrasive liquids in an efficient manner. Several industries use these pumps in their day-to-day applications such as oil, chemical and FMCG industries. These pumps use the movement of two gears located inside a casing to pull the liquid inside the pump. Once inside, the liquid is directed towards the discharge end of the pump through the vacuum created between the intermeshing teeth of the two gears and the casing.

Roto Pumps is also one of the leading Wastewater Pumps manufacturers. Roto’s Wastewater Pumps are used to transfer unclean liquids with solid elements such as sewage and sludge. That’s why these pumps are also known as Sewage Pumps. The solid elements contained in these kinds of media can be organic or inorganic. This makes this media highly aggressive to be transported. Due to the need for transporting this media regularly, the body of the wastewater pumps needs to be extremely strong. This makes these PD pumps highly efficient and useful for difficult applications like the treatment of sewage or wastewater treatment and transportation. They are also used in mining and construction industries among others.

Besides External Gear Pumps and Wastewater Pumps, Roto Pumps are also known to be one of the best Air Operated Diaphragm Pump manufacturers in the market. AODD Pumps is one of the most efficient Positive Displacement Pumps. These kinds of pumps are known to ensure a smooth and low-pulsating flow of liquids. They are extremely low-maintenance and can function with the help of compressed air instead of an electric motor. Roto’s AODD Pumps are available in aluminum, PVDF, ductile iron, stainless steel and Teflon. 

Robust Industrial Pumps and Retrofit Spare Parts

Roto Pumps produces and supplies one of the best quality industrial pumps and retrofit spare parts in the market. They provide interchangeable rotors, stators, shafts, coupling rods and universal joint kits. Among several high-quality pumps provided by Roto, Wastewater Pumps and External Gear Pumps are known to be highly efficient and durable.

Roto Pumps is one of the leading Wastewater Pumps manufacturers. As their name suggests, Wastewater or Sewage Pumps are used to handle the transportation of dirty and contaminated fluids such as waste water, sewage and sludge. These kinds of applications are required in several projects such as to transfer industrial waste water, to treat the waste water to be reused, to treat the waste in sewers, to handle municipal water, to control and manage excess water due to floods and dewatering. The body and machinery of these pumps are made of robust material as the fluids usually handled by these kinds of pumps is highly corrosive and aggressive. The electric motor helps to run the pump. The pump is also equipped with a chopper impeller that rotates and lifts the materials inside the pump. This impeller is fitted with sharp blades that keep on chopping down the solid waste among the sewage to avoid blockage and assure the perfect functioning of the pumps. The impeller is fixed inside a casing whose surface is lined with tough material to prevent any damage to the body of the pump.

An External Gear Pump is a Positive Displacement Pump that operates with the help of two gears, hence its name. Both the gears are fixed inside a casing with interlocked teeth. A motor is used in these kinds of pumps as well to run the pump. The energy provided by the motor helps to move one of the gears. The movement of this gear compels the other gear to move in the opposite direction. This movement helps to lift the liquid inside the pump and makes it moves axially before discharging it from the other end of the pump.