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INDUSTRIAL PUMPS FOR SCRUBBERS

APPLICATION: INSTALLATION OF CHEMICAL PUMPS IN SCRUBBER PLANTS

The emission of gasses in the atmosphere is regulated by specific national and international laws that must be respected by all industries. The term “air treatment” refers to systems and techniques used by the industries to keep the air quality and the level of pollution under control.

Scrubbers are the easiest and most efficient systems for purifying the air by removing particulates and/or gasses.

There are several types of scrubbers which are used in different industrial sectors.

Plants

FLUIDS GENERALLY INVOLVED IN THIS APPLICATION:

Scrubbers are generally used to:

  • wash fumes (e.g. emitted by boilers or furnaces) with soda or other liquids, in order to remove hydrogen sulfide, hydrochloric acid, hydrocarbons and sulfur dioxide.
  • depurate gasses (e.g. washing synthetic gasses with monoethanolamine in order to remove CO2).

Scrubbers are generally used by:

  • petrochemical industries
  • chemical and pharmaceutical industries
  • galvanic industries
  • packaging industries
  • food industries
  • cellulose industries

INDUSTRIAL PUMPS INSTALLED IN AIR TREATMENT AND FUME DEPURATION SYSTEMS

scrubber

The polluted air is directed inside a chamber where it comes into contact with the washing liquid which transfers the pollutants from the air to the water. The purified air is released into the atmosphere while the polluting particles become an integral part of the washing liquid, which is then collected in a tank.

During this process, the polluted air goes from the bottom to the top while the washing liquid is pushed up by the use of centrifugal pumps and then it goes from the top to the bottom through the scrubber. The washing liquid collected in the tank is then recirculated by means of horizontal centrifugal pumps installed on the ground or through vertical pumps installed directly inside the tank. The pump continues to recirculate the same liquid which, after the transfer through the scrubber, returns to the tank.

SPECIFIC REQUIREMENTS FOR THIS APPLICATION: WHICH ARE THE BEST PUMPS FOR AIR TREATMENT AND FUMES DEPURATION SYSTEMS?

Additives inside the washing liquid are often hazardous chemical agents. For this reason it is necessary to use anti-corrosion pumps.

The pump used in this process can be installed next to the tank or vertically immersed in it.

In both cases, GemmeCotti offers suitable solutions:

Horizontal centrifugal pumps:
– series HTM PP/PVDF (magnetic driven)
– series HCO (mechanical sealed)
are the best solution for the installation next to the tank.

Vertical centrifugal pumps:
– series HV (monoblock)
– series HVL (with bracket)
are the ideal solution for installation with the pump immersed in the tank.

All these centrifugal pumps are made of thermoplastic materials PP or PVDF, which ensure a great chemical resistance to the chemical agents used in this application.

GEMMECOTTI CENTRIFUGAL PUMPS FOR THE AIR TREATMENT

MAGNETIC HORIZONTAL CENTRIFUGAL PUMPS SERIES HTM PP/PVDF

Mag drive pumps HTM PP/PVDF have a sealless design that is particularly suitable to pump corrosive and dangerous liquids; the magnetic design together with the usage of anticorrosive thermoplastic materials, ensures the high chemical resistance and the absence of leakage and emissions.

GemmeCotti HTM scrubbers

Technical data:

– Capacity up to 130 m3/h

– Head up to 48 mlc

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HORIZONTAL CENTRIFUGAL MECHANICAL SEAL PUMPS SERIES HCO

Mechanical seal centrifugal pumps HCO are the best solution when the liquid has solids in suspension: their design with open impeller permits to transfer dirty liquids (non-abrasive solids – max. 5% – dimension max. 3 mm).

Technical data:GemmeCotti HCO scrubbers

– Capacity up to 60 m3/h
– Head up to 38 mlc

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VERTICAL CENTRIFUGAL PUMPS

Vertical centrifugal pumps are suitable for installations with the pump immersed directly in the tank.

VERTICAL CENTRIFUGAL MONOBLOCK PUMPS SERIES HVGemmeCotti HV scrubbers

Pumps series HV are available with different column lengths from 500 mm to 1000 mm.

Technical data:

– Capacity up to 40m3/h
– Head up to 22 mlc

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VERTICAL CENTRIFUGAL PUMPS WITH BRACKET SERIES HVL

Pump series HVL are available with different column lengths from 500 mm to 2000mm.

Technical data:                                                                    GemmeC

– Capacity up to 57m3/h
– Head up to 39 mlc

Discover more

 

 

 

Contact our commercial department, we will find together an interesting solution for your application: info@gemmecotti.com

 

 

 

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HTM SP: OUR NEW MAG DRIVE CENTRIFUGAL PUMP SELF-PRIMING

HTM SP mag drive centrifugal pump self-priming

We are extending our product line: our new pump is ready!

We are happy to announce our new mag drive centrifugal pump self-priming HTM SP!

GemmeCotti HTM SP pumps combine the typical features of our mag drive centrifugal pumps with the self-priming capability. These pumps can prime up to 6 meters at sea level.

MAIN FEATURES

MATERIALS

HTM SP pumps are made of Polypropylene (PP), a thermoplastic material that ensures the best resistance to most chemicals.

All the internal plastic parts are obtained through the injection moulding process that we directly manage in our sister company Gemme Plast.

PERFORMANCE CAPABILITY

The new magnetic centrifugal pump self-priming HTM SP can reach a capacity of 25 m3/h and a head of 22 m.

The suction connection of this pump can be customized in 3 welded configurations according to your needs (frontal, on the right and on the left).

 

curve HTM SP PP-PVDF

MAGNETIC DRIVE PUMP SYSTEM

Mag drive pumps have a special sealless design that is suitable for pumping corrosive and dangerous liquids thanks to the high chemical resistance and to the absence of leakage and emissions. The structure is really simple and it requires very little maintenance with consequent savings in terms of repairing, spare parts and machine downtime costs during the pump life.

In magnetic pumps, there is an external magnet which is connected to the shaft of the electric motor.
The synchronous motion is transmitted from the motor to the rotor (consisting of the internal magnet and the impeller) through the external magnet. The two magnets never come into contact, they are moved by the magnetic field only. The impeller connected to the internal magnet spins around a static shaft and the liquid moves through the pump. The whole hydraulic part is hermetically sealed: in the space between the magnets there is a rear casing which closes on the pump head and prevents the pumped liquid from coming out of the pump.

The pumped liquid must be clean, without solids in suspension (max. quantity of solids: max 2% – max 1mm).

Read more about the magnetic system

TECHNICAL DATA

• Materials available: PP or PVDF;
• Materials in contact with the liquid: Pump housing: PP or PVDF; Impeller: PP or PVDF;
O-ring: EPDM (standard for PP pumps) / VITON
(standard for PVDF pumps); Static shaft: Al2O3 99.7%; Bearing: PTFEC.
• Capacity up to 25 m3/h.
• Head up to 22 m.
• Max temperature: PP: 70° C – PVDF: 90° C.
• Max viscosity: 200 cSt.HTM SP 3 configurations
• Pressure rating: PN6 at 20° C.
• Self-priming up to 6m at sea level.
• Suction connection available in 3 welded configurations
(frontal, on the right and on the left).

STANDARD:
• Gas threaded In and Out connections.
• Direct starting motor.

OPTIONAL:
• Baseplate.
• Available in ATEX version for zone 2 II3G (mod. EM-C PP/PVDF)

   

   HTM SP is now available!

                       Contact our office at info@gemmecotti.com for any further information.        

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HTM PP PVDF NOW AS THEN: THE 7 STRONG POINTS OF OUR BEST-SELLER SERIES

Since 1992 GemmeCotti has been manufacturing several types of high quality chemical pumps suitable for most industrial applications.

Everyday we employ all our experience to improve the existing products and to design new projects in order to satisfy our customers’ needs. We live in the present and we design the pumps of the future without forgetting where we started.

The magnetic drive centrifugal pump HTM PP/PVDF was our first product, the one which made us experts in the field of the pumping solutions.

HTM 10 mag drive centrifugal pump

Over the years we developed the series that now includes 9 sizes: HTM 4, HTM 6, HTM 10, HTM 15, HTM 31, HTM 40, HTM 50, HTM 80, HTM 100. Each size is available in two thermoplastic materials: PP (polypropylene) and PVDF.

The HTM are high-quality pumps, extremely reliable and versatile, and they are still our bestsellers.

Which are the 7 strong points of these mag drive centrifugal pumps?

1. MATERIALS OF CONSTRUCTION

The HTM pumps are manufactured in thermoplastic materials, PP or PVDF. These anti-corrosion materials are compatible with the great majority of the acids, chemicals and dangerous liquids.

Check the chemical compatibility chart

2.INJECTION MOULDING

The plastic parts of our HTM are manufactured by Gemme Plast, another company in the GemmeCotti group, which is specialized in the injection moulding of plastic. Thanks to this cooperation, we can check all the raw materials used and we have total control over the moulding process.

3.LEAKLESS MAGNETIC DESIGN

Advantages of the magnetic drive system:

  • no mechanical seal
  • no leakage or emissions
  • no waste of liquidsHTM magnetic drive system
  • environmental sustainability
  • reliability and safety
  • low maintenance and consequent long term savings
  • no need for a pump-motor alignment

Please note that the liquid must be clean and without solids in suspension (acceptable quantity and dimensions of the solids: max 2% – max 1mm).

Discover more about the mag drive advantages

4.RELIABILITY

Unlike most centrifugal pumps on the market, the pump head of the HTM is secured to the bracket with 8 bolts. This feature allows the safe fastening of the pump head, ensuring the static seal and avoiding the deformation of the pump head due to the pressure.

5.BEARINGS

The wide dimensions of the frontal bearings ensure the high resistance to the axial thrusts.

6.STATIC SHAFTHTM magnet and shaft

The static shaft of the mag drive centrifugal pumps HTM is made of alumina (Al2O3), an extremely robust ceramic material that ensures great stability and resistance to most hazardous liquids.

7.MAGNETS

The HTM pumps series are equipped with a high magnetic coupling created with magnets made of NdFeB. Thanks to this particular feature, the internal and external magnets won’t detach from each other while the pump is operating.

 

 

    Check the technical data of our HTM

 

 CONTACT US: INFO@GEMMECOTTI.COM

OUR COMMERCIAL DEPARTMENT IS AVAILABLE FROM MONDAY TO FRIDAY, FROM 8.30 TO 12.30 AND FROM 14.00 TO 18.00 TO HELP YOU SELECT THE BEST CHEMICAL PUMP FOR YOUR APPLICATIONS.

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HTM 100 PP/PVDF: our biggest mag-drive centrifugal pump is now available

mag-drive centrifugal pump HTM 100

Just two months ago we had the pleasure to introduce to you our new magnetic drive centrifugal pumps HTM 80 as one of the biggest pumps with injection moulded parts in the market. But now we are getting even bigger! GemmeCotti’s mag-drive centrifugal pumps series HTM has indeed another new entry: the HTM 100 PP/PVDF. Just as her little sister HTM 80, mag-drive pump HTM 100 PP/PVDF is not machined from a block and it can reach a capacity of 130 m3/h and a head of about 50 mlc.

MAIN FEATURES

Performance capability:

HTM 100 is the new king size of our best seller series HTM. This centrifugal pump series, that now counts 9 sizes of pumps, can cover a range of flow from 0,5m3/h to 130m3/h and a range of head from 0,5mlc to 48mlc.

Materials:

As all our HTM pumps, HTM 100 is available in thermoplastic materials (PP or PVDF). These materials grant the best resistance to a lot of existing chemicals. You can find a useful compatibility guide here to find out which material better fits your liquid. Moreover, in HTM 100 all the internal plastic parts are obtained through the injection moulding process that we directly manage in our sister company Gemme Plast. 

Mag drive design of HTM 100:

The special design of our mag-drive centrifugal pumps without any mechanical seal has a lot of advantages, such as the prevention of any leakage of fluid and fugitive emissions, the very low maintenance and the easiest possible assembly process.

Magnetic drive pump functioning:

How does the HTM 100 work? Thanks to our magnetic drive technology it is very simple to explain. An external magnet located on the drive shaft transmits the motion to the internal magnet, that is connected to the impeller. The impeller rotates and moves the fluid through the pump. Isn’t it really easy? Furthermore, the two magnets are separated by the rear casing that creates a hermetic container for the liquid, avoiding any access from the outside.

TECHNICAL DATA

Materials: PP; PVDF 

Maximum flow: 130m3/h

Maximum head: 48mlc

Max temperature: PP 60°C, PVDF 90°C

Max viscosity: 200cSt

Nominal pressure: 6 bar @20°C

HTM series king-size HTM 100 PP/PVDF is now available! Contact our office at info@gemmecotti.com for any further information.

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New mag-drive pump HTM 100: size matters!

mag-drive pump HTM 100

Another new entry in our production is going to broaden our mag-drive pumps series HTM.

The new centrifugal pump HTM 100 PP/PVDF is one of the biggest mag drive centrifugal pump with injection moulded parts in the market and it can reach 130m3/h of flow and a maximun head of about 50m.

For more details, keep follow our channels and contact us at

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HTM 80: our new mag-drive centrifugal pump is here!

Magnetic drive pump HTM 80

Our production can now boast a new pump that widen the choice of our magnetic drive centrifugal pumps: HTM 80 PP/PVDF. This pump is the newborn in GemmeCotti and we are certainly proud to introduce a product whose size makes it unique on the market of pumps with injection moulded parts. As a matter of fact, HTM 80 is not machined from a block and it can reach a capacity of 90 m3/h and a head of 38 mlc.

MAIN FEATURES

Performance capability:

HTM 80 is the biggest size of HTM pumps series (magnetic drive centrifugal pumps) that consequently now cover a range of flow from 0,5m3/h to 90m3/h and a range of head from 0,5mlc to 38mlc.

Materials:

HTM 80 is available in thermoplastic materials (PP or PVDF) which assures high chemical resistance to most existing chemicals. All the internal plastic parts are made through injection moulding process. 

Advantages of HTM 80 injection moulded pump parts:

Compared to pumps machined from a solid block, injection moulded pumps guarantee repeatability, absence of leakage, better efficiency and, above all, higher quality. Moreover, it assures a faster delivery.    

Mag drive design:

The sealless magnetic drive design, without any mechanical seal, is the most suitable solution for pumping acids and corrosive and dangerous liquids because it is leak-proof and emission-proof. 

Magnetic drive pump functioning:

HTM 80 design is really simple. The external magnet on the drive shaft transmits the motion to the internal magnet connected to the impeller, which rotates and moves the fluid through the pump. This motion transmission through magnetic joints guarantees maximum safety and efficiency.  

Advantages of magnetic drive design:

Furthermore, it’s really easy to assemble and disassemble this type of pump and the maintenance is very reduced. As a result, there’s a remarkable saving in terms of repairing and spare parts costs during pump life.

TECHNICAL DATA

Materials: PP; PVDF 

Max flow: 90m3/h

Max head: 38mlc

Max temperature: PP 60°C, PVDF 90°C

Max viscosity: 200cSt

Max nominal pressure: 6 bar @20°C

 

For any further information, you can contact our office sending an email to info@gemmecotti.com

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Magnetic drive pumps experts

GemmeCotti manufactures high quality Magnetic Drive Pumps suitable to handle chemicals and corrosive liquids. Our pumps are usually made in PP, PVDF or AISI316 but for special projects we can also offer pumps made in Hastelloy or Titanium.
They can be used in many different applications: chemical plants, waste water treatment, air treatment, galvanic industry, printed circuit boards production, biotechnology, heat exchangers, photography, textile industries, food industries, aquariums and many more.

We offer different kind of magnetic drive pumps which cover a wide range of performances and pumping solutions: mag drive sealless centrifugal pumps, mag drive turbine pumps, mag drive vane pumps. 

Among the magnetic drive sealless centrifugal pumps there are:

Sealless mag drive pumps - GemmeCotti

 

HTM PP/PVDF – mag drive pumps in platic

Capacity up to 50 m3/h
Head up to 35 mlc
Temperatures: PP 0°/ 70°C PVDF 0 / 100°C
Materials available: PP or PVDF

Click here to read more about HTM PP/PVDF

 

mag drive centrifugal pump HCM
HCM PP/PVDF – mag drive pumps machined from a block

Capacity up to 130 m3/h
Head up to 48 mlc
Temperatures: PP 0°/ 70°C PVDF 0 / 100°C
Materials available: PP or PVDF
Pump head machined from a block

Click here to read more about HCM PP/PVDF

 

 

magnetic drive pump in AISI316

 HTM SS 316 – mag drive centrifugal pump in AISI316

Capacity up to 32 m3/h
Head up to 24 mlc
Temperatures: from -40°C to 200°C
Material available: AISI 316

Click here to read more about HTM SS 316

 

Main advantages of sealless mag drive pumps:

  1. Sealless design without mechanical seals
  2. Hydraulic part hermetically closed
  3. No leakage or emissions
  4. No maintenance costs
  5. Long life-time
  6. No need of motor/pump alignment
  7. Safe and reliable pumps

Contact our sales department for further information info@gemmecotti.com

 

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Mag drive pump HTM 31 PP/PVDF now suitable for 4kw

Sealless Magnetic Drive pumps model HTM 31 PP/PVDF are now suitable also for 4 KW motor size 112. This pump model can be coupled to three different motor sizes:

SIZE 90 – 2,2KW
SIZE 100 – 3KW
new SIZE 112 – 4 KW
You can contact our sales department for more details.

 

What are the characteristics of mag drive pump model HTM PP/PVDF?

HTM PP/PVDF pumps are mag drive centrifugal pumps made of thermoplastic materials (PP and PVDF) and are suitable to pump high corrosive liquids.

Max capacity: 45 m3/h, Max Head: 33 mlc, Max
Temperature: 90°C Max viscosity: 200 cSt, Pressure rating NP 4 at 20°C.

Click here to find out more.

 

How does a magnetic drive pump work?

Sealless mag drive pumps have a particular sealless design that is suitable to pump corrosive and dangerous liquids thanks to the high chemical resistance and absence of leakage and emissions. The structure is really simple and requires a very reduced maintenance with consequent save in terms of repairing and spare parts costs during the pump life.
The external magnet, placed on the drive shaft, transmits the motion to the internal magnet connected to the impeller which rotates and moves the fluid through the pump.

Here is a sketch of the functioning of magnetic drive system.Mga drive pumps

 

 

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