Chennai, Tamil Nadu
Year of Establishment: 1982
IndiaMART Member Since: 2008
Impressed Current Anodes
MMO Titanium Anodes
Platinised Titanium Anodes
High Silicon Anodes
Water Heater Anodes
Anodes Rods are designed to protected the tank of a water heater by reduceing internal corrosion. Periodic replacement of the anode rod prolongs the tank life. the anode rod includes a hex head for easy installation.
Anode Rods attract corrosive elements in water, so they attack the anode rod rather than the interior of your water heater's tank. Simply remove the plastic drain plug and insert the anode rod. Atwood Anode Rod is made of magnesium; Suburban Anode Rod is made of aluminum. When replacement is necessary, unscrew the old one and insert the new one.
Water Heater Anodes Welded Screw - 0n Caps
Mmo Coated Titanium Anodes
Mixed metal oxide (MMO) coated titanium anodes comprise a family of electrodes made from commercially pure titanium to which an electro catalytic layer is applied by thermal decomposition. The electro catalytic layers is composed of a mixture of noble and valve metal oxides, the selection of which and their ratio is dictated by the electrolyte conditions in which the anode is immersed.
These anodes can be used to advantage in aggressive solutions or other difficult applications.
The manufacturing route of MMO coated anodes varies depending on the composition of the electro catalytic layer. In general the route involves multiple applications by thermal decomposition of mixtures of noble metals as their oxides.
A variety of shapes and forms are available including Tubular, Bar, Rod, Sheet, Wire, Disc and Mesh. Individually fabricated anodes are available to suit customers’ specific requirements.
MMO coatings can be specifically formulated to withstand the simultaneous generation of oxygen and chlorine, which occurs in dilute sea water or fresh water containing low chloride levels. MMO coated anodes are also durable in highly acidic media and are often used in deep well ground beds.
The advantages using mixed metal oxide titanium are,
For cathodic protection applications it is anticipated that the Faradi
Zinc anodes has been used as a sacrificial anode material in seawater since 1824, when Sir Humphery Davy used zinc blocks to prevent corrosion of the copper cladding on the hulls of British warships.
The unit having necessary infrastructural facilities for designing the cathodic protection system. Pre and post construction surveys can be made with cathodic protection specialist personals that are qualified to carry out a variety of site surveys / investigations.
In the past it has designed system for Ennore Thermal Power Station–chennai, IOCL–KAPI project, G.N.F.C–Gujarat, Tuticorin Alkali chemicals & fertilizers Ltd–Tuticorin, The fertilizers & chemicals travancore Ltd–Kerala, Bharath Petroleum Corporation Limited–cochin, the Andhra Petrochemicals Ltd–Visakhapatnam. IOCL–Emakulam, Biecco Lawire Ltd, Calcutta.
Magnesium anodes are most economical when used on land where high driving potentials make them suitable for high resistivity soils and in brackish water and estuarine locations where the combination of salt and fresh water also gives high resistivities.
· High potential
Composition and characteristics
High Silicon Anodes
High Silicon Iron Anodes are among the most common impressed current anodes used in groundbed construction. The high corrosion resistance of silicon iron and silicon chromium iron alloys effectively ensures lifetimes in excess of 20 years.
Silicon Iron Anodes can be used for onshore, seawater and freshwater applications. The most common areas of use are listed below:
Land Pipelines (u/g):
The anodes are installed in horizontal, vertical or deepwell groundbeds.
Jetties & Quay Walls:
The anodes are installed in horizontally in sea beds muds or anchored to the sea bed.
The anodes are installed in horizontal or vertical groundbeds on the foreshores.
Water Storage Tanks (Internal):
The anodes are suspended from the tank roof.
Water Storage Tanks (External):
The anodes are installed in horizontal vertical or deep groundbeds around tank.
The High Silicon Anodes manufactured by us two types.
The standard chemical compositions for the high silicon anodes with and without chromium are given below:
High Silicon Chromium Anodes
The High silicon iron anodes without chromium are for use in neutral soils & freshwater environments, content are for use in aggressive acidic 0r alkaline soils and seawater environments.
The consumption rate of High Silicon Chrome Cast Iron anodes has been found to be between 0.2 and 1.2 pounds per ampere-year. For anodes of the same chemistry and microstructure, variance in consumption is primarily due to the chemical and physical characteristics of the anode environment.
The consumption rate does not appear to be significantly affected by current density (amperes per unit area of anode surface). The use of coke breeze around the anode in soil ground beds will tend to lower the consumption rate. A generally accepted design guideline for anodes buried in coke breeze is 0.7 pounds per amp-year.
The High Silicon Chromium Anodes manufactured by two types:
Platinized Niobium Anodes
Because of its low consumption rate, the anode may be employed in a protection system to achieve a design life of 6 years and above. Platinized Niobium Anode is highly conductive and can be operated at a maximum current density of 100 amps/ft2. The anode is also Very light weight, flexible and strong. Platinized Niobium Anodes are designed for use in all types of aqueous storage and process equipment. The anode has proven to operate effectively in fr
Lead Alloy Anodes
Lead, alloyed with 1-2 % silver and 6 % antimony is also used as an impressed current anode for seawater applications and operates at up to 24 V DC. The alloy naturally forms an insulating film of lead chloride when immersed in seawater, however this can be converted to a conducting layer of lead peroxide by operating the anodes at carefully controlled current densities.
Once the peroxide layer has formed it is capable of operating at current densities up to 200 A/m2.
Alloys containing 0.1 % silver and 0.01 % Tellurium form efficient anodes when small platinum bi-electrodes are inserted into the surface.The electrodes conduct the initial current and cause the peroxide layer to be formed at much higher current densities than with the conventional alloy. They a
Wood Alloy Anodes
Lead Bismuth Alloy Anodes
Platinized Titanium Anodes
The advantages using platinized titanium are:
Practical consumption rates for cathodic protection applications over a wide range of current densities are uniform and proportional to the current passed. However, individual conditions of operation can significantly influence wear rate. Under normal oceanic conditions, excluding low temperatures, wear rates correspond to 1 and 2 micrograms of platinum per ampere hour.
Aluminum alloy anodes can be used for the protection of storage tanks and are frequently installed on ship hulls and jetties. They also have a particular use in the protection of sub sea pipelines, oil rings and semi submersibles.
Composition And Characteristics:
In addition to the standard compositions mentioned above, EPSIPL also manufactured to other compositions to suit the requirements of various sites and structures.
Types Of Aluminium Anodes
Above ground storage tanks in hydrocarbon process plants which are located in aggressive soil at costal areas, are at a risk from bottom plate corrosion, due to formation of a galvanic corrosion cell between the tank bottom and the soil. This galvanic corrosion cell formation effect is more predominant if the content of the tank is stored at high temperature.
Engineering Design Of CP System
Based on the technical and commercial viabilities of cathodic protection inhouse design facilities are available for all types of cathodic protection systems. The design package usually consist of the following components:
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