Kotson corporation pvt. ltd.

kotson Helping to save....

Kotson Corporation Pvt. Ltd. Is engaged in to manufacturing & supply of all type of Heat Transfer Elements like (Cooling coil,
condenser coil, Evaporator coil, Water coil, Brine coil, Steam coil, Oil cooler, industrial coils, AHU coils, Tube Bundle, Shell &
Tube chillers, Finned tube coils, Steam coil, Marine cooler, compressor coolers, plate finned coolers, after cooler- intercoolers
etc as per customers requirement in various material like copper, SS, Brass, Cu pronickels, CS, MS), HVAC coatings, energy saving
solution and services for to maintain industrial chillers, HVAC systems, utility management for industrial HVAC plants.

We have also diversified our unit to work for to resolve problem of Scale, Rusting and algae in water for Industrial, Commercial
and residential sector. For this we are distributor for Gujarat to serve without chemical use patented technology of
Scalewatcher (USA). This instrument can remove existing scale, provide anti rusting and anti scaling solution with long life
maintenance free. (Patented in USA, Europe, Canada, South Africa)

Kotson is also working to serve quality air by striving AHU, Air Cooling Unit, Air washer, Filters, Louvers, Dampers, Grills, Hepa
Terminal Box, Mist Eliminators, Centrifugal Blowers, Tube Axial Flow Fan, Riser etc.

We are customer centric entity and hence always remain focused to meet and exceed the requirements of the customers in the
best possible way. We try to leave no space for any sort of customer's grievances in our overall work process. Besides being
conscious towards maintaining quality standards in our products we have also designed a feedback procedure that we receive

The board spectrum of products offered by us is
catering to the major industries sectors.

Power Plant Industry
• Petrochemical Refinery
• Chemical Industry
• Sugar Industry
• Steel Industry
• Hospitals & Hotels
— Foundry Industry
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A Cement Industry
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• Plastic Industry
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• Marine Industry
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• Fertilizer Industry
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• Food Industry
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Unique interlaced circuiting options assure uniform refrigerant
distribution over the entire face area of the coil. Wide fin
spacing availability reduces the affect of frost build-up on low
temperature applications.

Ideal for a wide variety of basic, custom, and heavy-duty
industrial applications, chilled water coils are designed to meet
a variety of heating needs. We can supply them with any design
configuration to meet any application needs.

For applications including comfort cooling, dehumidification,
process cooling, and more.

All sizes, capacities, circuit patterns, fin/tube configurations.
Duplication of obsolete coils; custom design for new
applications.

Water heating and cooling coils can fill requirements for any
design load Available in 2 to 10 rows Intermediate drain headers
available.

Chilled water basic coil has copper tubes and aluminium fins
with copper headers. Designed to be efficient, durable and cost
competitive.

Application :
Pharmaceutical Process Food Point-of-Sale Food Storage Food,
Processing, Military Vehicle, Pharmaceutical Storage, Medical
Process, Industrial Process.

Designed for use with hot water, glycol solutions, or steam, type
HW coils feaature condinuous circuit tubes with return bends.
Manifold pipe headers are either steel or non-ferrous and are
sized for minimal pressure loss. Basic coil has copper tubes and
aluminum fins with copper headers.

Designed to be efficient, durable and cost competitive. Thicker
tube wall and stornger brazed joints are used if entering water
temperature is over 160 F.

Duct booster coils are for use with hot water of steam,
with 1 of 2 rows of continuous tubes and return bends.
Female-threaded connections are provided at the inlet
and outlet tube locations, in lieu of manifold headers.

Standard steam coils are used in a variety of high and low
pressure applications and are designed to handle large
amounts of steam and to provide quick condensate
removal. Uniform steam distribution to each of the coil
core tubes is accomplished by proper header assembly
design.

Applications include preheat, boosters, reheat, duct
heaters, process air and gas heaters and more...

Coil is designed for the potential corrosive (if enterained
air) and eresove (precipitation)nature of brine.

Applications :
We have developed an extensive and varied knowledge
base and gained experience in custom coil designs. We
have built coils for many unique applications and specific
end uses.

Condenser coils use refrigerant-filled tubes where heat
leaves the hot refrigerant vapor. The vapor then
condenses into a liquid capable of absorbing more heat.
For applications including storage, process, and comfort
refrigeration.

Coils and condenser in SS material with SS tubes and SS
fins. These coils can be use for critical application where
normal coils are failing with leakage problem. Customer
can replace copper tubing and aluminium finned coils
with SS material coils.

Tubes: Copper, S.S
Fins: Alluminium, Copper, S.S.

Coils is designed for the large volume of air at a low
pressure loss. Gas may be on tube or fin side. Special
materials may be used for temperature, pressure or
corrosion.
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P Fuel Cell, industrial Equipment, Pollution, Power Plants-
Combustion Energy Conservation.

Finned Tube Heat Exchanger consist of a shell & finned
tubes assembly. Fins are used to increase the effective
surface area of heat exchanger tubing. Finned tubes are
used when the heat transfer coefficient on the outside of
the tubes is appreciably lower than that on the inside; as
in heat transfer from a liquid to a gas, vapor to a gas, such
as steam to air heat exchanger, thermic fluid to air heat
exchanger. When an extended surface is needed on only
one fluid side (such as in a gas to liquid exchanger) or
when the operating pressure needs to be contained on
one fluid side, a finned tube heat exchanger may be
selected.

Applications of finned tube heat exchangers include
Steam air heater! steam radiator, Thermic fluid air heater
/ thermic fluid radiator, Hot water air heater! hot water
radiator, Air heater for fluid bed dryers, Air heater for
spray dryers, Air heater for flash dryers and Air heater for
dryers. These are manufactured using high grade carbon
steel, stainless steel, copper, brass and aluminum. Our
Finned Tube Heat exchanger are designed to meet the
specific duty condition, temperature and pressure of the
fluids.

Tube Bundles are the most critical (and also the must
vulnerable) part of intercoolers, Aftercoolers & Oil Coolers
used in Reciprocating, Screw Compressors, Production
Machines of various types used in virtually all industries.
Our Tube Bundles are precision engineered to easily
replace Tube Bundles of existing Coolers, Condensers,
Heat Exchangers without any retrofit problems.

Replacement tube bundles for heat exchanger equipment
can be cunstructed for liquid or stem-t liquid application.
The bundles can be used for applications including
industrial processes and commercial water heating or
cooling. The tube bundle are built from 10 or 20 gauge
copper or cupronickel tubes, carbon steel, or brass tube
sheet.

Tubes : Copper, S.S, Brass, Cupronickel, C.S.

The workhorse for compressor interstage cooling. These
units can be supplied as either straight tube or U-tube
units, with design a removable bundle or a non removable
bundle.

We carry out the manufacture Inter- Coolers and After
Coolers Exactly as per the Client's Existing Coolers. For the
same we depute our technical representative to Client's
Site, Examine the Cooler and manufacture the new
exactly as per the existing ones.

Structural Features.
Cooler is vividly regarded as the lung of compressor, as its
cooling effect and reliability can directly influence the
pneumatic performance and overall efficiency of
compressor. Along with the increasing of intercoolers
matched with centrifugal air compressor, a series of
coolers suited to various conditions and different models
has been shaped up.

For cooling pressurized gases to reduce temperature, to
reduce volume and to remove condensate in compressor
or gas line applications
Kotson can fabricate your cooler using many different
materials including:

Carbon Steel, Copper, Cupro Nickel, Admiralty Brass,
Stainless Steel, Naval Brass
Coolers For :
Cooper, Atlas Copco, Joy, Man, Samsung etc....

Kotson Offer wide range of Oil Coolers, in standard as well
as custom built sizes to suit specific customer
requirements. The design and fabrication is done under
strict supervision to ensure long, trouble free and desired
performance from the equipment.

Types of Oil Coolers :
Shell & Tube Type.
Fin Tube Type.
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Application
Hydraulic Oil Cooling.
AL- ED
Quenching Oil Cooling.
Lubricating Oil Cooling.
Transformer Oil Cooling.

The dry coolers (also called liquid coolers) are suitable for
air-conditioning and refrigeration duties. Dry coolers are
fitted with copper tues and aluminium fins. The units are
available in both suction and blowing versions. They are
characterised by their compact designs, optimised
module fans and high fan efficiecy. The frames are
designed for heavy applications.

Typical Uses Are :
A Industrial refrigeration

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— Industry
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A Air-conditioning
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Capicity Range :
1000 CFM to 40,000 CFM

Application : 1
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Shopping malls, hotels, hospitals, pharmaceutical, i
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industries and industrial units. I $

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Features :
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Available in single/double skin construction. 1 11) -Air.
Belt Driven.
Forward/backward curve fan.
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Multi stage filtration available on request.

Floor mounted air Handling Unit plug Type and Belt Driven
Capacity Range :
1,000 CFM to 40,000 CFM

Appication :
Comfort air-conditioning for school, studio, airports, laboratories,
Multiplaxes, Offices, institutional, buildings and hotels.
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Options Available :
Single/Double skin construction
Filter section for EU-5, EU-7 in rigid, bag construction
Humidification, pre heat packages
Heat rocovery wheel, heat pipe
Mixing box with fresh, return air dampers
Weather-proof light, limit switch, view glass

Construction :
A Unit is manufactured in heavy duty extrued aluminium
profile with and without thermal break and internal coving
section
A Unit panels are filled with 25 or 50 mm thick pressure
injected polyurethane foam, having 38/40 kg m3 density
A Various Options such as per-coated galvanized sheets, plain
galvanized sheet, aluminium & SS 304 & SS316 sheets in
various thicknesses are available for inner and outer skin of
double skin panels.
A High efficiency, AMCA certified, Imported DWDI & Plug type
bowers and used.
.1', Forward curved blowers for normal application and
backward curved high resistance applications.
A Drain pan mode SS304 with dual slope to facillitate
immediate discharge of condensate.
• Base frame is a made of galvanized steel with die cast
aluminium joints having lifting holes.
A Access door are provided with hinges and locks made of die
casting or self-extinguishing nylon for prefect air lightness.

Fatures
The unit is manufactured in accordance with client requirements.

We have re-manufacturing charge air coolers for the marine
sector providing an increasingly advanced product. Charge air
coolers are designed and manufactured as a direct replacement
for original equipment. We can supply cooler with all type of
tubes like Copper, Cu NI, SS, Brass, C.S.

We supply below showed parts for marine engine coolers
A Charge Air Coolers
• Lube Oil Coolers
• Dump Condensers
A Evaporators
• Oil Coolers
• Fuel Oil Heaters
A Air Coolers
A Condensers
• Freshwater Coolers

Marine engine coolers of : Allen, Atlas, B&W ,Brown, Boveri
,Bergen„Cummings,Daihatsu,Deutz,Donghwa
,Dorman,GMT Fiat,Haarland,Hanshin,Hitachi,Kawasaki,MAK,
MAN ,Mirrlees Blackstone, Mitsubishi, Mitsui, Normo, Polar,
Ruston, Semt Pielstick, Seo Koatsu, Serck, SKK, Smit Bolnes, Stork-
Werkspoor,Suction Gas, Sulzer, Vestas, Wartsila, Yanmar,
Yokohama, Youngs.

Charge air coolers are specific heat exchangers that are used in
particularly stressful environments, such as on internal
combustion engines with turbochargers or superchargers. Charge
air coolers are located between the turbo charger and the engine
air inlet manifold. When the air is compressed by the
turbocharger or supercharger, it is also heated, which causes its
density to decrease. Cooling the combustion air by a charge air
cooler prior to sending it into the engine, the density of the air

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increases which permits more air to enter the engine and
increases the power and efficiency of the engine.

Charge air coolers are basically manufactured in two types: "Air —
Air" (where the first and second fluid is air) and "Water — Air"
(where the primaryfluid is air and the secondaryfluid is water

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Water-air heat exchangers where the primary fluid is air and the
secondary is water are manufactured in two main designs which i' ,
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Capacity Range :
1000 CFM tp 2,50,000 CFM

Applications :
All-cooled units in poy, taxtile, fume exhaust systems, control room
ventilation and pressurization systems, Shopping Mall, Show
Room, School, Green House & Generator Room.

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Construction :
• The unit is manufactured in heavy duty extruded aluminium
profile, it is also available in MS fabricated section in HDG or
at
powder coated finish.
A The unit panels are filled with 25 or 50 mm thick pressure
injected polyurethane form, having 38/40 kg/m3 density.
Various options such as pre-coated galvanized sheets, plain
galvanzed sheets, aluminium & SS 304 & SS 316 sheets in
various thicknesses available for inner & outer skin of
double skin panels.
• High efficiency, AMCA certified, inported DWDI type blower
are sued. -

• Forward curved bower for normal applications and

•
backward curved for high resistance application.
Air-cooled unit sump mode for SS 304 or MS FRP lining with
a
connection.
• Base frame is made of MS heavy gauge channel.

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• Access door are provided with hinges and locks made ofdie
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casting for prefect air tightness. I

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OPTIONS AVAILABLE
Sprey Type :
This type houses a set for spary nozzles which inject the water into I r-
the air stream in the form of a fine atomized mist (by breaking the
water into fine particles we increase the surface area by multiple
folds for the same volume of water.) in this system, the water is in
direct contact with the airflow unlike the cellulose type systems,
when a single bank is provided (depending upon the efficiency
required) the spray in injected in the opposite direction of the
airflow, in a double bank systems, the banks are kept opposite to
each other. The entire plumbing is done with the help of galvanized
pipe. The pump can be located inside or outside the unit.

Cellulose Celdek Pad :
These are spacially treated criss-cross paper fills having a flute
angle for 45 °C the paper is secially prosessed with anti-bacterial
and anti-fungal treatment. This enhances life of the pad to
almost 4-5 years of trouble-free operation. The pump can be
located inside or outside the unit.

Features :
The unit is manufactured as per customer requirements.

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Shell and Tube Heat Exchanger are classified into fixed & floating
type Heat Exchangers. Fixed type Heat Exchangers are used where
there are absolutely no chances for inter mixing of two fluids.
In this type, the tube sheets are completely welded to the shell
and acted as shell flanges. The Floating type Heat Exchangers has
the advantages of removability of tube bundle and access for
cleaning both inner and outer side of tubes and shell.

U-Tube Heat Exchangers.
U-Tube heat exchangers are designed for durability and include a
removable tube bundle as a standard feature. The 'U'-bend tube
design provides a long service life by eliminating the effects of
thermal expansion and contraction.

Double-Wall, U-Tube Heat Exchangers :
Double-Wall tube (tube-in-tube design) heat exchangers are
designed for applications where it is critical that the system
prevent the mixing of internal fluids, i.e. potable water heaters.
These units, in the event of a leak, allow the liquid to drain to
atmosphere

Options Available :
• Copper, CS, Brass, SS, 90/10 Cu-Nitubes
A 316 stainless steel shell
A Brass and 316 stainless steel tube sheets
Brass and 316 stainless steel baffles
A Double-wall tubing with double tube sheet
• Custom sizes and construction

Pre Filters are made from multi-layers of non-woven
f
synthetics, HDPE & metallic meshes. The filter is finally
housed in galvanized sheet / Alluminium /S.S.

Microvee - Filter are made from multi-layers of non
synthetics, glass fiber paper, felts and other application
specific media. The filter is finally housed in a galvanized
sheet/ aluminum /SS.

Dual Filters are ideal for limited space application. The
filter is finally housed in a galvanized sheet / alluminium /
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SS. the microvee and per-filter are house in the some
casing.
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. And also available plated and rod type models and
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customized manufactured as per client requirements.

Louvers are specilly designed to match the extriors of a
building. These are available in GI or alluminium
construction for industrial purposes or in sleek looking
extruded alluminium, contoured at specific angle to
minimize water ingress. They come to attractive colours or
coatings to suit various exteriers. A special bird/insect
screen s provided as option to prevent the entry of any
flying objets. Coarse filters can also be supplied along with
the louver.

These are used for air supply in multiple layers which help

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to speed up induction secondary room air, thuse assuring
draft-free comfort in occupied spaces. Four-way square
diffusers give equal supply in all directions while three,

1 ir i two and one diffusers limit the supply in all required
direction. Removable core simplified installation and
avoids visible mounting screws.

A Extruded aluminium construction
I
A Removable cores
A 1,2,3 and 4 way are discharge.
A with & without VCD

Water eliminators are designed for effective removal of
water particles in air washer. All the components are
made with specially designed dyes, so that close
tolerances and uniformity are maintained. These are

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available in 2 pass, 3 pass, 4 pass and 6 pass construction.
The specially designed blades available in GI, alluminium
or PVC Construction have a series of bends and
deflections that offer a large surface area against which
the water and dust particles impinge, to be flushed down
in the air washer tank.

-- I - i 1- I- irrrrrrrrrrrirrrt - r- Cotemporary interiors in large offices, public areas of
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hotels and hospitals call for uncluttered looking walls and
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rtrriihro false ceilings with liners grilling used for supply and return
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air. They are available in any length in sections of 1.2 or 1.8
meter with prefect alignment between sections.
Removable louvers facilitate installation. Adjustable
louvers installed in collars are recommended for vertical
...... ................
L air pattern controls.

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Alluminium construction
A 0, 15 or 30 defiection
Hp„11 1 ,11 11V111 1 1 1 11 --' I A with & without VCD

Volume Control Dampers are specially designed for low
leakages of air dampers are available in GI opposed blade
type, aluminum extruded blade type, face and bypass. The
blades are connected through suitable linkage to a
controlling acuating device, such as electrical actuator or
fusible link, blades are provided with brass or nylon bush with
gear operated or MS linkage facillity to enable smooth and
Noiseless rotation

Fire dampers are made of heavy guage galvanize steel having
multi blade construction. The blades of the fire damper are
held in the open position by a high tensile spring and a fusible
link. The fusible link is 'UL stamped' and operates at 74
degree C, causing the damper to close in case of fire. Thus the
spread of fire through the ducts is prevented.

Motorised Damper
Body : GI/Aluminium / S.S. Sheet fabricated
Blade : GI opposed blade / Aluminium extruded
blade type
Actuator : 230 V. 1 ph AC/ 415V. 3 ph AC, Input Signal.

Construction :
A Terminal box is fabricated with high quality stainless steel and
CRCA sheet up t o 14 guage with powder coated / buffing
finish.
- Terminal box is fabricated with alluminium & SS preforated
L------„,..L sheet

Application :
Terminal box enhance the overall appearance of the clean rooms

Feature:
Terminal box are manufactured as per customer requirements.

Construction
A Rise is fabricated with high quality stainless steel and
CRCA sheet up to 14 gauge.
, Riser come with alluminium and SS perforated sheet
along with filters and dampers.

Applications :
Riser enchance the overall appearance of the clean rooms

Features
The Riser can be manufactured as per the customer
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requirement

Construction :
A Preforated Grill is fabricated with high quality stainless steel
and aluminium up to 16 gauges with powder coated! buffing 1 10111111
finish Y0101.1.1.3.14
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A Preforated Grill is fabricated in aluminium & SS
Capsule size of preforated Grill is 6 x30 mm
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Features: ffrrl
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Preforated Grills are manufactured as per customer requirement
in different sizes.

Capacity Range :

800 CFM to 8000 CFM

Application
Shopping mall, Multiplexes and small office.

Features
A Compact size and low height with single / multi
centrifugal fan
A Direct Driven/ belt options.
A Unit available in double! single skin
A Double skin un its available with alluminium profile
A Direct driven units with single phase motors.

A Scroll Chiller Services
A Screw Chiller Services
A Centrifugal Chiller Services
A Reciprocating Chiller Services
• Preventive and Predictive maintenance contracts.
• Annual and or preseason service.
• Major and minor repairs.
• Motor replacement and repairs.
• Overhauls and stop majors.
• Microprocessor control service and upgrades.
• CFC containment/purge upgrades.
• Pre vac pressurization and Rupture seal upgrades.
• External oil filter installations.
• Replacement parts all OEM chillers. illiallOW .
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• Complete unit replacement and more
1 1
Our experts are efficient in handling advanced machines
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manufactured by Carrier, Trane, Bluestar, Ciat, Kirloskar, York etc. ,

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Utility Management For HVAC Plant : il—r_- . A.
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We provide staff for to operate and maintain HVAC systems in
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Hospital, Hotels, Corporate office building, heavy industrial units,
and factories etc. to maintain and operate central air conditioning
plant for round the clock throughout the year (365 days). Our
persons will be deputed at site for trouble free operation of your
air conditioning plant.
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• All type of HVAC plant service contracts.
• AHU coil cleaning/ AHU refurbishment
• Heat Exchanger Tube Cleaning
• Refrigerant retrofitting

HVAC Coatings : accomplished through the use of heat regaining systems
• Coatings for cooling coil & condenser coil. that can operate in aggressive conditions. Because
• Coatings for copper tubing. temperature, humidity and aggressive chemical
• Coatings for outdoor unit. concentrations are high, corrosion will rapidly occur on
most metals. Sulfur and nitrogen are the main compounds
• Coil Airside Sanitizing and Anti Fouling
responsible for the initiation and acceleration of corrosion
• Corrosion prevention of Brazing joints & U Bends
damage

PROBLEM
Why Coating :
Fuel combustion and other production processes often
To control cooling capacity and energy consumption.
result in the exhaust of high temperature gasses. These
To extend the lifetime of the HVAC coil.
gasses will not only pollute the environment with their
chemical composition but the heat will also cause thermal
pollution. To prevent excessive energy loss through the We look forward to developing long term relationships
chimney pipes, these gasses must be chilled. This is with our satisfied customers, who have kept us in
business.

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Kotson corporation pvt. ltd.

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Kotson corporation pvt. ltd.