NSI Equipments Private Limited
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Reaction Vessels

Reaction Vessels
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We are the supplier of the Reaction Vessels to our clients.

Reaction Vessels are used in carrying out a wide variety of chemical reactions including condensation, polymerization, esterification etherification, hydrolysis, hydration, reduction, oxidation, hydrogenation etc. at pressures (Up to 30 Kg. / cm2) and at temperatures ranging -20°C to +250°C. Reaction needing simultaneous fractional distillation and azeotropic distillation can also be conducted very efficiently using these chemical reaction vessels.

Designs :
Standards chemical reaction vessels and reaction kettle designed for 3 Kg/cm2 Internal pressure or full vacuum, jacketed Vessels are designed for 3 Kg/cm2 Jacket pressure or full vacuum. Heavy - duty vessels for higher operating pressures are also available as per process requirement. For reaction vessels for highly inflammable material, mechanical seal with supporting assembly can be provided. Variable speed drives and flame proof motors can be incorporated for special application agitators.

We offer high quality reaction vessel in different capacities ranging from 50 liters to 35,000 liters.

Types of agitators :
These vessels can be provided with different types of agitators such as anchor type, propeller type, paddle type, pitched blade turbine type of high-speed homogenizer

Technical Data :
Nominal Capacity (Lts.)Vessel Dimension Dia, (mm) x Straight Height (mm)Motor H.PShaft Diameter (mm)Exchange Surface Area (sq. meters)Standard Design Pressure
JacketHalf - Tube
250600 x 9002.0301.70.90
Inside -3 bar or vacuum
Jacket - 3 bar
Half Tube 6-Bar
500800 x 10003.0502.71.53
10001000 x 14005.0504.42.75
20001200 x 18007.5606.84.33
25001300 x 190010.0707.84.96
30001400 x 200010.0758.86.2
50001600 x 250015.010012.68.1
60001750 x 250015.011013.78.87
100002100 x 300025.011519.812.85

Chemical Reactors

Chemical Reactors
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We are a prominent organization that manufactures supplies a vast spectrum of Chemical Reactors. Available in various specifications, these products are extensively used in chemical and pharmaceutical industries. The offered range is manufactured using premium quality material following standards and norms of the industry.

Limped Coil Vessel

Limped Coil Vessel
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Our organization is counted amongst the most distinguished manufacturers and suppliers of qualitative Limped Coil Vessel. These vessels are manufactured at our state-of-the-art infrastructure facility under the strict supervision of expert professionals. Latest machines and advanced technology are employed by our professionals to fabricate these vessels as per standards and norms of the industry.

Features :
  • Technologically advanced
  • Outstanding performance
  • Sturdy construction

Specifications :
  • MOC: S S-304 /S S-316 /M.S/Special Alloy
  • Coiling: S S-304/S S-316/M.S/Special Alloy
  • Capacity: 100 Liters to 50, 000 Liters
  • Agitation: Through Agitator
  • Operation: Atmosphere or vacuum

Industries :
  • Food
  • Pharmaceuticals
  • Chemicals
  • Pigments
  • Organic Chemicals
  • Inorganic Chemicals

Jacketed Vessel

Jacketed Vessel
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Reaction Vessel is a heart of Chemical Industries & this is very important equipment used for Gas - Liquid reactions such as Hydrogenation, Oxidation, Formulation, Chlorination, Carbonation, reaction/ mixing of different type of chemicals in different conditions, pressure/under vacuum, temperature /cooling or at atmospheric conditions. Vessels are used up to 40 kg/cm2 pressure & -30°C to + 350°C temperatures.

We are manufacturing wide range of GMP/NON GMP Jacketed Reaction Vessel from 100 liters to 50000 liters capacity in Stainless steel grade 304, 304L, 316, 316L, Carbon Steel , Alloy Steel, Mild steel (IS : 2062), Rubber lined & led bonded with outside M.S. or S.S. jacket for cooling /heating purpose with outside insulation also.

Product Details :
Capacity100 liters to 50000 liters
MaterialStainless Steel
Temperatures-30 deg C to + 350 deg C

Features :
  • Heat resistance
  • Maximum stress resistance
  • High tensile strength

Mixing Vessel

Mixing Vessel
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We are a renowned name that widely appreciated for offering a qualitative assortment of Mixing Vessels to our valued clients. These products are suitable for mixing various materials and ideally utilized in different applications. It combines the quality and customization of pressure and/or process vessels with specialized in-tank or external mixing.

Features :
  • Easy to move from one place to another
  • Superior quality
  • Contains reactor with agitator which is mechanically sealed

High Pressure Vessel

High Pressure Vessel
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We are manufacturer and supplier of High Pressure Vessels. Manufactured by our professionals in our advanced fabrication unit, our products are checked by our quality controllers on various parameters. We provide this range to our esteemed clients in various customized options as per their specific requirements. Clients can avail the offered range at reasonable prices.

Product Details :
MaterialStainless Steel
Max Design Pressure10-15 bar
Temperatures-20 deg C to + 360 deg C

Features :
  • Sturdy construction
  • Superior quality
  • Heat & chemical resistance
  • Easy to install & maintain

Agitated Reaction Vessels

Agitated Reaction Vessels
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We offer high quality Agitated Reaction Vessel in different capacities and different ranging from. Fabricated from superior grade of stainless steel, these vessels can be provided with different types of agitators such as anchor type, propeller type, paddle type, pitched blade turbine type of high-speed homogenizer. The unique design of our reaction vessels allow the conditions to be controlled for fastest possible chemical reaction.

Product Details :
Capacity500-1000 L
MaterialStainless Steel
Speed80 RPM

Features :
  • Excellent finishing
  • Superb quality
  • Tough and tensile
  • Long lasting and corrosion resistant

Types Of Agitator
These vessels can be provided with different types of agitators such as anchor type, propeller type,paddle type, pitched blade turbine type of high-speed homogenizer

These are most efficient axial flow impeller. It is recommended for blending, solid suspension, heat transfer etc. It provides maximum flow at minimum power. Mostly available in three blade version. But different number & width of bade are also common in special applications. This is also called as fabricated propeller.

These are axial mixing impeller with considerable amount of radial flow. It produces suction when placed near the liquid surface. Hence used for blending of immiscible liquids, solid incorporation etc. It is also a preferred choice for applications where the viscosity change during the process is large. These are mostly available in four blades @ 45 degree. But different numbers of blade with various angles are also used depending on application.

Mostly used for gas dispersion application. Curve blade (Concave, parabolic etc.) disc can handle 2 to 6 times more gas than flat blade disk turbine. Power drop between gassed and un-gassed condition is very less than conventional flat blade disk impellers. Hence it is preferred choice for gas dispersion application viz. Fermentation, Hydrogenation, Oxidation, Carbonisation, Ethylation etc.

Anchor/Gate type impellers are close-clearance impeller that fit the contour if the vessel. This impeller provides adequate mixing under the laminar flow conditions encountered viscosity applications for heat transfer. These are many applications that other type of impellers is integrated with the anchor. This impeller sweeps the whole wall surface of the vessel and agitates most of the fluid batch through physical contact. Anchor impellers are used for liquid viscosities between 5,000 and 50,000 cP. When reaction /mixing homogeneity is required, other type of impellers are recommended.

Disperser disk provides large amount of shear and mostly used for liquid-liquid dispersion and powder dissolution or de-agglomeration etc.

Tremendous amount of shear is required to produce stable emulsion and fine dispersion. Hence all the impeller blades are designed at high tip speed and high shear rate.

For low and medium viscosity fluid premixing and De-agglomeration of particles to every fine and stable dispersion is a well known use.
For high viscosity fluid co-axial or multi-shaft agitators are recommended with stator rotor or pump may be used for flow through inline homogenizer.
This machine is used for producing stable emulsions and very fine dispersion in micron range. Ultra high shear mixer can be used for sub micron range dispersion and emulsification.

Reactors are provided with Gland box or Mechanical seals for shaft sealing arrangement of the shaft with the vessel.

Stuffing boxes accomplish sealing by the radial expansion of a soft, deformable material such as layer-wound rubber, plastic, fiber, or a combination of these. Stuffing boxes are lower in initial cost than mechanical seals but are significantly higher in maintenance expenses.

Mechanical Seal:
Mechanical seals are designed to prevent leakage between a rotating shaft and its housing under conditions of extreme pressure, shaft speed and temperature. Mechanical seals can be single acting or double acting. Single (acting) mechanical seals have one sealing gap.

The following type of mechanical seal:

A single mechanical seal consists of two very flat surfaces that are pressed together by a spring and slide against each other. Between these two surfaces is a fluid film generated by the product. This fluid film prevents the mechanical seal from touching the stationary ring. An absence of this fluid film (dry running of the pump) results in frictional heat and ultimate destruction of the mechanical seal.

Mechanical seals tend to leak a vapor from the high pressure side to the low pressure side. This fluid lubricates the seal faces and absorbs the heat generated from the associated friction, which crosses the seal faces as a liquid and vaporizes into the atmosphere. So, it's common practice to use a single mechanical seal if the product poses little to no risk to the environment.

A double mechanical seal consists of two seals arranged in a series. The inboard, or "primary seal" keeps the product contained within the housing. The outboard, or "secondary seal" prevents the flush liquid from leaking into the atmosphere.

Double mechanical seals are offered in two arrangements:

Back to back
Two rotating seal rings are arranged facing away from each other. The lubricating film is generated by the barrier fluid. This arrangement is commonly found in the chemical industry. In case of leakage, the barrier liquid penetrates the product.

Face to face
The spring loaded rotary seal faces are arranged face to face and slide from the opposite direction to one or two the barrier liquid penetrates the product. If the product is considered "hot", the barrier liquid acts as a cooling agent for the mechanical seal.

Double mechanical seals are commonly used in the following circumstances:
a) When aggressive media is used at high pressures or temperatures.
b) For many polymerizing, sticky media stationary seal parts. This is a popular choice for the food industry, particularly for products which tend to stick in case of leakage.

Thermosyphon Vessel is used as a storage & unpressurising unit. Used for double mechanical seals in tandem seal arrangement. This is equipped with cooling coil inside the shell to bring down the temperature of buffer fluid coming from seal to Thermosyphon Vessel.

Technical Specifications:
Nominal Capacity (Lts.) Vessel Dimension Dia, (mm) x Straight Height (mm) Motor H.P Shaft Diameter (mm) Exchange Surface Area (sq. meters) Standard Design Pressure
Jacket Half - Tube
250 600 x 900 2.0 30 1.7 0.90
Inside -3 bar or vacuum
Jacket - 3 bar
Half Tube 6-Bar
500 800 x 1000 3.0 50 2.7 1.53
1000 1000 x 1400 5.0 50 4.4 2.75
2000 1200 x 1800 7.5 60 6.8 4.33
2500 1300 x 1900 10.0 70 7.8 4.96
3000 1400 x 2000 10.0 75 8.8 6.2
5000 1600 x 2500 15.0 100 12.6 8.1
6000 1750 x 2500 15.0 110 13.7 8.87
10000 2100 x 3000 25.0 115 19.8 12.85

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