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Manufacturer of a wide range of products which include Reaction Vessels, HDPE Agitator, Reaction Vessels Reactors, Agitators, Pressure Vacuum Vessels and Pickling Tanks.

Reaction Vessels
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Reaction Vessels

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GRACE™ [RANGOLI] offers Vertical Cylindrical, Decent, Conical and Flat Top Bottom type of Reaction Vessels [Reactors] and Mixing Vessels.

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HDPE Agitator

HDPE Agitator

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Reaction Vessels Reactors
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GRACE ™ [RANGOLI] Offers Vertical Cylindrical , Decent , Conical and Flat Top, Bottom type of Reaction Vessels [Reactors] and Mixing Vessels. Along with designing , manufacturing , Fabrication , Testing , Installation , and Commissioning. For the large reactors projects. We are Manufacturing Reaction and Mixing Vessels. Up to 25000 Ltr. Capacity.

Reaction vessel and mixing vessel with agitator is requirement in number of processing operations. Both heat and mass transfer are greatly influenced by agitation of mixing.

Process conditions range from -5 to 150 deg C, from pH 1 to pH 12 and operating at 1kg to 10kg pressure, the vessel design was enhanced for 5,000 cycles. In the various stages of production, the service of the vessels involve dissolving and reacting raw materials and crystallising final product.

The selection of Thermo , Fluoro plastic liner and resin system required careful investigation to ensure that the resin system was suitable for the thermal shock. GRACE ™ [RANGOLI] worked very closely with the customer’s engineers providing them with test data to substantiate their selection of materials.

These vessels will be Manufacturing & Fabrication with material of construction like FRP (FRB, FRVE, FRSVE.) and Dual laminate like PP/FRP , PVC/FRP , CPVC/FRP , PVDF/FRP , ECTFE/FRP , ETFE/FRP , FEP/FRP and PFA/FRP.

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Agitators
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Agitators

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GRACE ™ [RANGOLI] is a leader in the field of design, manufacture, testing and supply of various types of Agitators for mixing of liquid-liquid, liquid-solid and liquid-gas. GRACE ™ [RANGOLI] has the privilege of supplying critical Agitators to different process industries.

We can design, manufacture and supply of Peddle, Propeller, Curved Turbine, Pitched Turbine, Anchor and Cowl types agitators for specialized applications suited to process and operating conditions.

Material of Construction can be offered in various grades of thermo plastics such as PP. & HDPE. We also provide carbon Steel agitators with special type of coating and linings including FRP., PP., HDPE., PVDF., FEP. and PFA. etc.

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Pressure Vacuum Vessels
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Pressure Vacuum Vessels

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GRACE ™ [RANGOLI] Pressure / Vacuum vessels for any highest pressure and full vacuum are manufactured by us in FRP & dual laminates of construction.

Implementation of design in manufacturing is most crucial in case of such Equipments as the sequence of Fibre Glass & external, internal stiffening ribs is a very Important Factor in working of such Pressure / Vacuum Vessels. We have Designed & Manufactured vessels for full vacuum & up to 10 kg / sq. cm working pressure.

VACUUM FILTER NUTSCHE
A vacuum filter nutsche is one of the simplest batch filters. It is a open tank with a Perforated plate fitted inside having filter cloth as filter media. Perforated plate is having a suitable perforation to pass the filtrate. The slurry is fed into the filter vessel and separation of mother liquor from the slurry. Cake will form on perforated plate, which can be removed manually. If required, cleaning and washing of the filter nutsche can be done easily before starting a new batch. The Filters Nutsche can be offered up to operating vacuum of 720mm of Hg. The filter nutsche is very frequently used in Process plants industries .

The largest capacity PP/FRP. Vacuum filter nutsche supplied and commissioned by GRACE™ [RANGOLI] is 15,000 Liters to Anchor Daewoo Industries Ltd. & Jay Chemicals.

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Pickling Tanks
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Pickling Tanks

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GRACE™ [RANGOLI] offers Pickling Tanks for steel industries for pickling process of M.S. and
Stainless Steel wires, pipes, tubes, strips, angles, channels, rails, coils, and other steel items.
These tanks are manufactured from PP/FRP.

PP/FRP pickling tanks are offered with specially designed lip type Hood for fume collection from the sides of the tank. This kind of hood is suitable for the batch pickling operation for continuous pickling operation. Hood can be offered in top mounted and of any suitable shape like rectangular, semi arch or canopy types.

We also offer pickling tanks with suitable hood and fume scrubber with centrifugal exhaust fan, ducting network, stack or chimney and with re-circulation pump for scrubber with piping.

Features Of Our Pickling Tanks.

Custom made design
Tank available up to 50 MTR length in any Width & Depth
Load carrying capacity up to 20 tons
Specialty designed for 24 hours working pickling plants
Corrosion free work place
Excellent chemical resistance
100% leak proof
Expected life of tank up to 15 years
Tanks made for strip & wires pickling and other pre and post treatment of iron, stainless steel and non ferrous metals.
Heating and circulation system available.
Pickling /galvanizing plant meets stringent environmental conditions and work to the principle.
Environment friendly fume extraction design, avoiding corrosion of steel construction cranes and roof structure.

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Pipes & Fittings Product
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Pipes & Fittings Product

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GRACE™ [RANGOLI] FRP & dual laminates piping are available in wide range of pipe sizes, different pressure ratings & fittings such as bend, elbows, tees, stub ends, flanges, blinds, reducers, end caps, etc. Which are designed to provide a wide range of Tensile, Flexural and Impact strength properties.

FRP and dual laminates pipe is often the material of choice for corrosive process systems. The factor included in this are:-

An ability to be tailored for a wide variety of corrosion resistant conditions
Light weight (less than 20% of steel, 10% of concrete)
Excellent strength to weight (stronger than steel on an equal weight basis)
Low coefficient of friction (>25% better than steel)
Good dimensional stability
Low thermal conductivity (saving insulation costs)
Low long-term maintenance costs.

The total cost of the system includes all the above-mentioned variables. The cost of saving for the FRP. and dual laminates pipe VS the steel has even greater cost saving over alternative alloy constructions.

All these piping & fittings can be manufactured and Fabrication in FRP (FRB, FRVE, FRSVE.) and Dual laminate like PP/FRP , PVC/FRP , CPVC/FRP and PVDF/FRP. Depending on reacting chemicals & temperature conditions.

Our concerns for the long term performance of your pipe system means that our specially trained customer oriented experts and technicians are able to advise on any aspect of site installation. Our specialist go to your site to carry out all functions relating to facility and component assembly, set-up, testing, putting into operation and more.

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Scrubbers
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Scrubbers

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In these days of increased environmental awareness it can be agreed that scrubbers are here to stay. Federal and state laws have made fume scrubbing a mandatory part of almost all processes which emit to the atmosphere. The scrubbing process and equipment must be designed to accomplish the environmental objective in a cost effective manner. GRACE™ [RANGOLI] designing, manufacturing, Fabrication, Testing, Installation, and Commissioning. scrubbing systems for gases like Cl2, SO2, NOX , HCl, H2SO4 , Br2, HF, CuSO4 and acid mists, which either evolve individually or as a mixture in various chemicals, pharmaceuticals, dyes, intermediates, fertilisers and steel processing plants etc.

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Exhaust Blowers
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Exhaust Blowers

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Blowers are used for low pressures, generally, less than 3.447 KPa. Rangoli Fibre Reinforced Pvt. Ltd. [GRACE™] are manufacturing centrifugal type blower. The same is used for ventilating work, moving large volumes of air or gases through ducts, conveying material suspended in the gas stream, removing fumes etc.

GRACE™ [RANGOLI] have supplied the blower having flow rate capacity of 20,000 m3/hr. MOC. PP/FRP. To M/s. PRESTRESS WIRE IND. LTD. & 15,000 m3/hr to M/s. UNIMARK REMEDIES LTD.

The amount of static pressure developed depends upon the ratio of the velocity of the air leaving the tip of the blades. Operating efficiency of fans ranges from 40 % to 70 %. The performance of the centrifugal fan varies with changes in conditions such as temperature, speed and density of the gas being handled.

GRACE™ [RANGOLI] can design and manufacture Blowers with different volumetric capacities and negative pressures are offered. Blowers at the optimum RPM, including blade designs / angles which insures best efficiency and hence least power consumption with minimum maintenance. The Unique feature of FRP Molded impeller is that it is light in weight which minimizes the all usual blower's mechanical problems.

A complete Fume Scrubbing System can be designed to handle a gas flow up to 50,000 m3/hr with power rating up to 100 h.p. A higher gas flow rate can also be designed. Impeller of the blower is dynamically balanced at 3000 r.p.m. The shaft design is EN-8 with FRP sleeve. The bearings used will be self aligned 'SKF' or 'FAG' or any other standard make. The electric motor will be of 'Crompton' or other equivalent make.

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Hoods, Stacks, & Dampers
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Hoods, Stacks, & Dampers

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The ducts produced made by us are ideal for conveying gases, corrosive fumes generated during processes in the chemical industries. These gases are particularly aggressive in their wet range, flowing at very high velocity coupled with high temperature and corrosive in nature.

FRP & Dual laminates duct is much stronger and far superior to light gauge steel and aluminum, yet it is lighter than steel, offers superior acoustical qualities, equal air flow performance, and provides resistance to corrosion due to soil conditions or moisture. Other advantages include the compatibility and versatility of FRP & Dual laminates fittings when used with FRP & Dual laminates ducting

GRACE™ [RANGOLI] can manufacture any size or shape ducts, fittings & accessory’s that your process may require. All of our equipment is manufactured in house, giving us the ability to construct special fitting & shapes.

We offer up right, downdraft, Side lateral, semi arch, lip types and canopy type’s hoods. The inlet of fume extracting hoods is either maintained under slight vacuum or the fumes are pushed into it by the forced draft of the additional blower. These fumes are passed through the scrubber tower. The suitable scrubbing liquid interacts with fume loaded gas flow in the scrubber to yield safe and clean effluent air to be exhausted through chimney via electrically driven exhaust fan.

Stacks and chimneys made at GRACE™ [RANGOLI] have been in service since 12 years. They are designed to with stand corrosive gases up to 100 degree C and are impervious to severe weather. The systems are virtually unlimited in size and are maintenance free. We have manufactured and installed chimneys over 100 feet in height.

Dampers is useful to regulate a gas flow or shut off and isolate a system. The operating conditions for the dampers are designed to match the operating conditions of the duct system. It is available in the range of diameter from 100 mm to 2000 mm.

We have skilled team, which is capable for all types’ installation of ducting network on site.

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Anti Corrosive Coating Product
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GRACE™ [RANGOLI] is a fully equipped and established company undertaking the jobs for manufacturing of various Fiber Reinforced Plastics equipment using modern manufacturing process under the control of qualified engineers and technicians.

GRACE™ undertakes the manufacturing at their well laid works or at the job site as per the requirements. One of the activities of GRACE™ [RANGOLI] is to provide anticorrosive Coating using the materials like Fiber Reinforced Plastic (FRP), Fiber Reinforced Bisphenol (FRB), Fiber Reinforced Vinyl Ester (FRV) and Fiber Reinforced Superior Vinyl Ester (FRSV).

These Coating are particularly used to protect the metallic vessels against corrosion due to acidic or alkaline reactions in the chemical storage tanks, rotating equipment, reaction vessels, filters, ducts and scrubbers. It can be applied to existing and new equipment. The total engineering support is to be provided to the customer for the selection of material for the Coating.

It has many advantages over other lining methods like rubber lining. Some of the advantages are :

Much stronger bond to metal.
Longer service life.
Seams can be avoided and thereby safer protection afforded.
Coating with F.R.P. can be done at room temperature unlike rubber lining which require vulcanizing.
Easily create on site.
Very little maintenance and ease of repair.

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Custom Molding &  Fabrication
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Nothing is impossible for us in the plastic engineering world. With our customer’s support we can fulfill any kind of complex requirement.

By grace of god and our well wishers we have period of being a successful solution for multifarious complicated jobs. The experience have invited us as an ultimated solution for anything which other many say impossible.

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