Vasu Pharmatech
Vasu Pharmatech
Central Delhi, New Delhi, Delhi
GST No. 07AARFV9078N1ZX
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Disc Diffuser

We are a leading Manufacturer of 12" epdm disc diffuser, vpdd 9 fine bubble disc diffuser, 12" silicon disc diffusers, vpcbd 150 coarse bubble diffuser, coarse bubble diffuser epdm 80mm and coarse bubble diffuser epdm 150mm from New Delhi, India.

12" EPDM Disc Diffuser

12 EPDM Disc Diffuser
  • 12 EPDM Disc Diffuser
  • 12 EPDM Disc Diffuser
  • 12 EPDM Disc Diffuser
  • 12 EPDM Disc Diffuser
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Approx. Price: Rs 1,100 / PieceGet Latest Price
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Product Details:

Type Of BubbleFine Bubble
Country of OriginMade in India
Connection3/4 inch BSP Male Thread
Perforation Size1 mm
Max Pressure Allowed1.5 kg/cm2
MOC of MembraneEPDM
Model NumberVPDD 12
Diameter12 inch
Air flow Range2 m3/hr
Bubble Size0.8- 1.9 mm

Air flow Range- 0-20 m3/hr
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VPDD 9 Fine Bubble Disc Diffuser

VPDD 9 Fine Bubble Disc Diffuser
  • VPDD 9 Fine Bubble Disc Diffuser
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Approx. Price: Rs 1,248 / PieceGet Latest Price
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Product Details:

Air Flow Rate3 (m3/h)
Type Of BubbleFine Bubble
Country of OriginMade in India
MOC of MembraneEPDM
Connection3/4 BSP Male Thread
Perforation Size1 mm
Max Pressure Allowed1.5 kg/cm2
Model NumberVPDD 9
Diameter9 inch
Bubble Size0.8-1.9 mm

VPDD 9 Fine Bubble Disc Diffuser Disc diffusers are designed with assembly of base & ring manufactured in PP plastic to provide maximum life & durability. The diffuser incorporates an external check valve design to prevent intrusion of liquid or solids into the diffuser during ON/OFF operations. Perforation design allows maximum oxygen transfer efficiently.

Air flow Range- 0-12 m3/hr
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12" Silicon Disc Diffusers

12 Silicon Disc Diffusers
  • 12 Silicon Disc Diffusers
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Approx. Price: Rs 1,400 / PieceGet Latest Price
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Product Details:

Minimum Order Quantity200 Piece
Type Of AeratorDiffused Aerations
Air Flow Rate0-20 (M3/H)
Type Of BubbleDisc
Bubble Diameter1 mm
BrandVasu Pharmatech
Country of OriginMade in India

VPDD 12 Silicon Fine Bubble Disc Diffuser Disc diffusers are designed with assembly of base & ring manufactured in PP plastic to provide maximum life & durability. The diffuser incorporates an external check valve design to prevent intrusion of liquid or solids into the diffuser during ON/OFF operations. Perforation design allows maximum oxygen transfer efficiently.
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VPCBD 150 Coarse Bubble Diffuser

VPCBD 150 Coarse Bubble Diffuser
  • VPCBD 150 Coarse Bubble Diffuser
  • VPCBD 150 Coarse Bubble Diffuser
  • VPCBD 150 Coarse Bubble Diffuser
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Approx. Price: Rs 390 / PieceGet Latest Price
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Product Details:

Minimum Order Quantity200 Piece
Air Flow Rate4 m3/hr
Country of OriginMade in India
ShapeDisc Type
Bubble Size6-8 mm
MOC of MembraneEPDM
MOC of BaseTough ABS Plastic
Max Operating Temperature60 DegreeC
Air Discharge Ports8
End Connection Male Thread1 inch BSP
Diameter150 mm
Maximum Pressure1.5 kg/cm2

In waste water treatment process, aeration is introduced into the liquid with the help of blowers and diffusers, where the diffusers remain submerged in the waste water, providing an aerobic environment for microbial degradation of organic matter.

The Purpose Of Aeration Is Two Fold
  • To supply the required oxygen to the metabolizing microorganisms.
  • To provide mixing so that the microbes come into intimate contact with the dissolved and suspended organic matter.

Other Details

The two most common aeration systems are subsurface and mechanical. In a subsurface system, air is introduced by diffusers or other devices submerged in the wastewater. A mechanical system agitates the wastewater by various means (e.g., propellers, blades, or brushes) to introduce air from the atmosphere.

Generally submerged bubble aeration provides more effective result than surface aeration.

In the primary and secondary treatment of wastewater, it is common to use aeration as a method of removing organic matter. Submerged bubble aeration works effectively by diffusing small air bubbles to mix with the wastewater and facilitate the work of aerobic bacteria in breaking down organic waste.

However, there are two different types of bubble diffusers: fine bubble and coarse bubble diffusers.

Though fine bubble diffusers and coarse bubble diffusers both work through bubble aeration but there are few distinguishing features of their design and function.

Both diffusers come in different diameters and sizes depending on the requirement of aeration required.

Fine bubble diffusers produce a smaller-diameter bubble for the aeration process. These bubbles typically measure 1 to 3 mm in diameter. This fine bubble aeration usually provides 2% or more Standard Oxygen Transfer Efficiency (SOTE) during aeration.

Coarse air bubble diffusers, produce a larger diameter of bubble to displace and mix the wastewater effectively. Coarse bubble aeration typically provides 1% or less Standard Oxygen Transfer Efficiency (SOTE) during aeration.

The main principle behind using fine bubble diffusers versus coarse bubble diffusers is that smaller bubbles result in more bubble surface area per unit volume and greater oxygen transfer exchange.

Fine bubble aerators provide enhanced aeration and efficiency, while coarse bubble aerators excel at mixing and increasing the level of dissolved oxygen.

Fine bubble diffusers increase the treatment efficiency and oxygen transfer, thus helps in reducing the power cost as well.

Activated sludge aeration tanks are the largest applications for diffused aeration system. Air diffusion are considered to be the heart of activated sludge process and are suppose to be the largest energy users with plant operations.


Air flow Range- 4-10 m3/hr

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Coarse Bubble Diffuser EPDM 80mm

Coarse Bubble Diffuser EPDM 80mm
  • Coarse Bubble Diffuser EPDM 80mm
  • Coarse Bubble Diffuser EPDM 80mm
  • Coarse Bubble Diffuser EPDM 80mm
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Approx. Price: Rs 160 / PieceGet Latest Price
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Product Details:

Air Flow Rate1 - 5 m3/hr.
Type Of BubbleCoarse Bubble
Brand'Vasu Pharmatech'
Shape Of AeratorDisc Type
Size Of Bubble80 mm
MOC OF MEMBRANEEPDM/SILICONE
Air Discharge Ports10
End Connection Male Thread3/4" BSP
Max Pressure Allowed1 kg./cm2

It have been engineered in simplified design consisting of two parts i.e. Support base in engineering plastic & flexible diaphragm in r to EPDM provide extended life & optimum performance. 

Air flow Range- 1-5 m3/hr
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Coarse Bubble Diffuser EPDM 150mm

Coarse Bubble Diffuser EPDM 150mm
  • Coarse Bubble Diffuser EPDM 150mm
  • Coarse Bubble Diffuser EPDM 150mm
  • Coarse Bubble Diffuser EPDM 150mm
  • Coarse Bubble Diffuser EPDM 150mm
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Approx. Price: Rs 275 / PieceGet Latest Price
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Product Details:

Air Flow Rate4-10 m3/hr.
Type Of BubbleCoarse Bubble
Brand'Vasu Pharmatech'
Size Of Bubble150 mm
MOC OF MEMBRANEEPDM/SILICONE
Air Discharge Ports8
End Connection Male Thread1" BSP
Max Pressure Allowed1.5 Kg/cm2

In waste water treatment process, aeration is introduced into the liquid with the help of blowers and diffusers, where the diffusers remain submerged in the waste water, providing an aerobic environment for microbial degradation of organic matter.

The Purpose Of Aeration Is Two Fold
  • To supply the required oxygen to the metabolizing microorganisms.
  • To provide mixing so that the microbes come into intimate contact with the dissolved and suspended organic matter.

Other Details

The two most common aeration systems are subsurface and mechanical. In a subsurface system, air is introduced by diffusers or other devices submerged in the wastewater. A mechanical system agitates the wastewater by various means (e.g., propellers, blades, or brushes) to introduce air from the atmosphere.

Generally submerged bubble aeration provides more effective result than surface aeration.

In the primary and secondary treatment of wastewater, it is common to use aeration as a method of removing organic matter. Submerged bubble aeration works effectively by diffusing small air bubbles to mix with the wastewater and facilitate the work of aerobic bacteria in breaking down organic waste.

However, there are two different types of bubble diffusers: fine bubble and coarse bubble diffusers.

Though fine bubble diffusers and coarse bubble diffusers both work through bubble aeration but there are few distinguishing features of their design and function.

Both diffusers come in different diameters and sizes depending on the requirement of aeration required.

Fine bubble diffusers produce a smaller-diameter bubble for the aeration process. These bubbles typically measure 1 to 3 mm in diameter. This fine bubble aeration usually provides 2% or more Standard Oxygen Transfer Efficiency (SOTE) during aeration.

Coarse air bubble diffusers, produce a larger diameter of bubble to displace and mix the wastewater effectively. Coarse bubble aeration typically provides 1% or less Standard Oxygen Transfer Efficiency (SOTE) during aeration.

The main principle behind using fine bubble diffusers versus coarse bubble diffusers is that smaller bubbles result in more bubble surface area per unit volume and greater oxygen transfer exchange.

Fine bubble aerators provide enhanced aeration and efficiency, while coarse bubble aerators excel at mixing and increasing the level of dissolved oxygen.

Fine bubble diffusers increase the treatment efficiency and oxygen transfer, thus helps in reducing the power cost as well.

Activated sludge aeration tanks are the largest applications for diffused aeration system. Air diffusion are considered to be the heart of activated sludge process and are suppose to be the largest energy users with plant operations.


Air flow Range- 4-10 m3/hr

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Coarse Bubble Diffuser 150mm Silicon

Coarse Bubble Diffuser 150mm Silicon
  • Coarse Bubble Diffuser 150mm Silicon
  • Coarse Bubble Diffuser 150mm Silicon
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Approx. Price: Rs 425 / PieceGet Latest Price
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Product Details:

Air Flow Rate5 m3/hr
Type Of BubbleCoarse Bubble
Country of OriginMade in India
ShapeDisc Type
Bubble Size6 - 8 mm
MOC of MembraneSilicon
MOC of BaseTough ABS Plastic
Max Operating Temperature60 DegreeC
Air Discharge Ports8
Max Pressure Allowed1.5 kg/cm2
Model NumberVPCBD 150
Diameter150 mm

VPCBD 150 Silicon Coarse Bubble Diffuser have been engineered in simplified design consisting of two parts i.e. Support base in engineering plastic & flexible diaphragm in Silicon to provide extended life & optimum performance.

Air flow Range- 4-10 m3/hr
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Coarse Bubble Air Diffuser

Coarse Bubble Air Diffuser
  • Coarse Bubble Air Diffuser
  • Coarse Bubble Air Diffuser
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Approx. Price: Rs 350 / PieceGet Latest Price
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Product Details:

Air Flow Rate3 (m3/h)
Type Of BubbleCoarse Bubble
Bubble Diameter3 mm
ColorBlack
Size Of Bubble150 mm
MaterialEPDM
Country of OriginMade in India
ShapeRound

Known for our reasonable rates, we have come up with a world class assortment of Coarse Bubble Air Diffuser.


Price Range:

  • Rs.350 to 600 per piece
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VPCBD 80 Coarse Bubble Diffuser

VPCBD 80 Coarse Bubble Diffuser
  • VPCBD 80 Coarse Bubble Diffuser
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Approx. Price: Rs 210 / PieceGet Latest Price
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Product Details:

Air Flow Rate4 m3/hr
Type Of BubbleCoarse Bubble
Country of OriginMade in India
ShapeDisc Type
Bubble Size4-5 mm
MOC of MembraneEPDM
MOC of BasePPCP
Max Operating Temperature60 DegreeC
Air Discharge Ports10
Max Pressure Allowed1 kg/cm2
Diameter80 mm
Model NumberVPCBD 80

It have been engineered in simplified design consisting of two parts i.e. Support base in engineering plastic & flexible diaphragm in r to EPDM provide extended life & optimum performance. 

Air flow Range- 1-5 m3/hr
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Round Air Diffuser

Round  Air Diffuser
  • Round  Air Diffuser
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Approx. Price: Rs 450 / PieceGet Latest Price
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Product Details:

Usage/ApplicationIndustrial
ShapeCircular/Round
Surface FinishPowder Coated
MaterialEPDM
Size150 mm
ColorBlue and Black
Country of OriginMade in India
Packaging TypeBox

Riding on vast volumes of expertise in this arena, we are occupied in offering Round  Air Diffuser.



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Mr. Lalit Nankani (Managing Partner)
Vasu Pharmatech
66-B Packet-AD, Shalimar Bagh
Central Delhi, New Delhi - 110008, Delhi, India


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