Other Products / Services #3782812

SIGMA couplingsare a strong & heavy-duty system that provides maximum reliability with minimum need for maintenance. This is achieved by use of easy to install corrosion resistant gaskets and carefully dimensioned individual parts of the coupling. The material of construction is selected based on the type of products being handled & the atmospheric conditions of theinstallation area. For GMP application SS coupling with SS nuts & bolts are used. PTFE bellows are used to compensate for different thermal movement between theglass and associated equipment, absorb vibrations from associated equipment or foundation. PTFE O Rings are the most widely used gaskets. They are manufactured from pure, high-quality PTFE and offer almost identical properties corrosion resistance to borosilicate glass.

SIGMA structure is designed to support plant and other equipment in borosilicate glass 3.3 These structures are available in the form of modular system that not only meets standard requirement but also facilitates solutions for problems of unique nature. These structures consist of steel tubings, which are connected using the appropriate fittings. As a result, these structure can be assembled, dismantled, expanded or modified very easily & quickly. Standard support is made of G.I. tubes with C.I. fittings. For GMP application SS pipes with SS fittings are used.

SIGMA valves & filters can be relied upon to require minimum maintenance & to provide maximum reliability. These valves & filters provide therelatively easy on-off function to control flow & pressure relief. All wetted parts of valves & filters are made of borosilicate glass 3.3 & PTFE, which ensures maximum resistance to corrosion. The complete valve consists of Glass Valve Body, PTFE Bellow with nut, Bakelite Valve Bonnet with MS Spindle etc. Different types of valves like Line valve, Drain valve, Bottom outlet valve, Vent valve, Adjustable overflow valve, Non-return valve (flap type), Non-return valve (ball type), Pressure relief valve, Sampling valves are available.

Pipeline filters are recommended to remove impurities from gas & liquid streams in glass pipelines. The assembly is designed such that the filter can be easily removed for cleaning or replacement.

Sigma Borosil glass 3.3 pipeline components are widely used in chemical, pharmaceutical, dyes & allied industries and food & drink production where the advantages of using glass as a basis for the construction of complete process systems have long been recognized. The main reasons for wide acceptance of Sigma borosilicate glass 3.3 are because of (a) Universal resistance to almost all chemicals resulting in reduced contamination risk, (b) Transparency for ease of visual monitoring of the process (c) Smooth surface allows easy cleaning & sterilization of systems. This guarantees long service life & minimum maintenance requirements.

These are a Class of mineral process equipment used in Extraction Processes.

Industrial Mixer- Settlers are commonly used in the Copper, Nickel, Uranium, and cobalt Hydro Metallurgy Industries where Solvent Extraction Processes or Liquid Liquid Extraction Processes are applied.

Mixer-Settler consists of a first stage that mixes the phases together followed by a non-active settling stage that allows the phases to separate and a gravity separator where the liquids are separately removed as Heavy Phase and Light Phase.

For continuous operation, mixing and settling zones are spatially separated from each other. This can be achieved by connecting a series of several such mixing & settling chambers through which the phases are fed in counter current flow, the system can be designed as per the requirements of a particular problem.

The Critical factor in the design of the horizontal mixer- settler is the coalescence ( to come together to form a mass or whole) rate of the dispersed phases.

Mixer Settler Uses:

• Extraction Process
• Washing Process
• Stripping Process

Salient Features Uses:

• Separation of components in solution
• Chemical Dispersion or Dissolution
• Cooling or Heating of liquid by direct contact with another
• Creating Permanent Emulsions

The sight glass is a device used between any kind of non-transparent pipeline to observe the flow of liquid. This can be used both in horizontal as well as a vertical pipeline. The sight glass is constructed in such a way that it gives a complete view from every angle.

Chemical and Active Pharmaceutical Ingredients are frequently processed as powders so that, after the reaction crystallisation of the solution and separation of solid and liquid materials becomes necessary.

Sigma has developed Agitated Glass Nutsche Filter made from Borosilicate Glass for application in Herbal products, Chemical product development, kilo lab operation, pharmaceutical manufacturing, agrochemical and the food industry.

The contact parts being Borosilicate Glass and PTFE and can easily handle corrosive materials.

The base with the filter cloth can be lowered for filter cloth change. Dissipative PTFE can be used to ensure that no static charge accumulation takes place.

Conforms to GMP regulation and FDA certification standards

Glass Nutsche Filter Application:

• Acidic Media Filtration and Light Sensitive Products
• Vacuum Filtration
• Mobile/skid Mounted

Advantages of Glass Nutsche Filter:

• Vacuum filtration possible.
• Very high solvent recovery.
• The glass is being transparent, offers visibility of processes.
• Minimal contamination of the cake.
• The inert gas atmosphere can be maintained.
• Solvents are in closed systems, so no toxic vapours are let off in the atmosphere.
• Personal safety is maintained and heat transfer surfaces can be provided to maintain filtration temperature.

SIGFOLDI JACKET is manufactured using borosilicate glass with 3.3 coefficient of expansion. They have proved their worth to Excellent effect through out the chemical and pharmaceutical industries as well as many related areas such as food and drink production. For special applications, cylindrical vessels can be supplied with a jacket for heating or cooling.

Up to a nominal capacity of 200L (First time in world) SIGFODI-JACKET with full bore diameter, top branch can also supplied with a borosolicate glass 3.3 jacket In the SIGFOLDIJACKET flexible seal is used on the upper end and bottom outlet branch with special designed CI/M.S./S.S Flanges. Which design is Registered.

• Reactor Volume: 5L, 10L
• Reactor Type: Double Walled & Triple Walled
• Operating Pressure: Full Vacuum to 0.4 bar (g)
• Operating Temperature: -80C to +200C
• Thermal Shock Resistance: (T): 60C for Triple Walled and 110C for Double Walled Reactors.

The triple walled Reactors are suited for operations in the range of -80C to +200C, however, due to thermal stress, the temperature difference ( T) should not exceed 60C, as a preventive measure.

Salient Features:

• All Reactors are designed without dead space to ensure complete drainage.
• Reactors equipped with theflush bottom valve of thespecial type to ensure leak-free sealing over entire temperature range.
• All reactors are designed to keep L/ID Ratio within 1.5(max) for a security of fabrication limits, performance and easy scale up.
• All These Reactors are designed GMP compliant

SIGMAmeasurement and control equipment complement the component range and helps to ensure that borosilicate glass 3.3 plant and apparatus operates correctly & safely. The full range of standard components is described on the following pages, Non-standard components can also be supplied as per your order

This unit is used for carrying out reactions under stirred condition and with provision for simple reflux distillation.

The reaction vessel is mounted in a heating bath and fitted with addition vessel, motor-driven stirrer and provision for condensation with refluxing. The product is sub-cooled and collected in a receiver.

The units are available in vessel sizes of 20, 50, 100, 200 & 300Ltr is suitable for operation under atmospheric pressure and full

Optional items

• Heating mantle instead of jacketed heating / cooling bath.
• Simple drain valve instead of the flush bottom valve.
• MS PTFE lined stirrer instead of glass stirrer.
• Variable frequency drives for variable speed.
• Cylindrical vessel instead of the spherical vessel.
• SIGFOLDI-JACKET vessel instead of a spherical vessel without heating bath and heating mantle.

Sigma started manufacturing SIGFOLDI TRIPLE JACKETED reactor up to 50Ltr. Cap. from an entirely new design with design Registered No. 1681023.

Vacuum Jacket Eliminates heat losses to the atmosphere and allows theprocess to be monitored with no frost formation on the jacket for operations below freezing point.

The vacuum is extended over the service nozzles to facilities a clear view.

PTFE spiral Baffle can be fitted between Reaction Vessel and the service side of the jacket for maximum efficient heat transfer area utilisation.

All reactors are designed with little dead spaces to keep L/D Ratio within 1.0 to 1.5 for thesafety of the equipment, smooth performance and easy scale up.

Operation Temperature Range : -80C to +200C

These are a Class of mineral process equipment used in Extraction Processes. Industrial Mixer- Settlers are commonly used in the Copper, Nickel, Uranium, and cobalt Hydro Metallurgy Industries where Solvent Extraction Processes or Liquid Liquid Extraction Processes are applied. Mixer-Settler consists of a first stage that mixes the phases together followed by a non-active settling stage that allows the phases to separate and a gravity separator where the liquids are separately removed as Heavy Phase and Light Phase. For continuous operation, mixing and settling zones are spatially separated from each other. This can be achieved by connecting a series of several such mixing & settling chambers through which the phases are fed in counter current flow, the system can be designed as per the requirements of a particular problem. The Critical factor in the design of the horizontal mixer- settler is the coalescence ( to come together to form a mass or whole) rate of the dispersed phases.

Sigma Borosil glass 3.3 pipeline components are widely used in chemical, pharmaceutical, dyes & allied industries and food & drink production where the advantages of using glass as a basis for the construction of complete process systems have long been recognized. The main reasons for wide acceptance of Sigma borosilicate glass 3.3 are because of (a) Universal resistance to almost all chemicals resulting in reduced contamination risk, (b) Transparency for ease of visual monitoring of the process (c) Smooth surface allows easy cleaning & sterilization of systems. This guarantees long service life & minimum maintenance requirements.

• Simple in design
• Ideal for scrubbing exhaust from small scale chemical plants
• Suitable for air and exhaust clean up tasks.
• Ideal for studies and Scale up of gas scrubber systems.

Sigma offers Mobile Scrubber in all glass and PTFE Construction for use in laboratories. The system is Mounted on stainless steel skid structure for maneuverability.

This unit is typically used for only distillation and fractionation under vacuum or at atmospheric pressure. The typical unit has distillation vessel fitted with a metal heating cooling bath and with a packed column above reflux divider and coil condensers below are fitted on the packed column. Condensed material is either taken back to the vessel or to the receiver via product cooler.

Venturi Scrubber is a device which helps in themixing of Liquid and gas to achieve the purpose of scrubbing and Absorption.

Advantages / Salient Features:

• No moving parts
• No Maintenance
• Ease of Operation
• Can handle Large Gas Flow Rates
• Intimate Mixing
• No space requirement, it can be installed on a tank
• Can be used as Vacuuming / Dust collection Device.
• Venturi scrubbers can be used as single or as Multi-stage equipment for higher efficiencies of absorption.
• Can be used as tail gas absorber

Applications :

• Gas Absorption
• Vacuum Generation
• Fume Scrubbing
• Dust Collection / Air Pollution
• Gas Liquid Reaction
• Feeding of solids to reactors is made easy by negative draft developed by Venturi on the system

Operating Parameters

• Pressure Range : Full Vaccum up to 0.5 bar (g)
• Temperature Range : -80C to +200C
• Capacities : 5 L up to 500 L
• Installation Sites : R & D Lab, Pilot Plant, Kilo Lab, Production.

Salient Features :

• GMP design
• Skid Mounted / Lab Hood Adaptability
• Documentation
• Instrumentation Safety Control
• Pure and corrosive Media Handling
• Safe operation
• Customized Reactor System-for up scaling
• Excellent thermal Process Control

Reactor Bottom Pan

• Single wall Round bottom Reactor up to 300L
• Single wall Cylindrical Reactor up to 500L
• Double wall Cylindrical Jacketed up to 200L
• Triple wall Reactor up to 50L
• Glass Lined Reactor (20L, 50L, 100L, 250L), pre-insulated (with SS cladding)
• Glass Reactor with SS Jacket ( Pre insulated with SS cladding ).

Reactor Top Cover

• Glass Top Cover
• Glass Lined Top Cover
• PTFE lined / Coating Top Cover

Bottom Outlet Valve

• Flush bottom outlet valve Glass / PTFE
• Glass lined with Temperature Sensor ( Optional )
• Flush bottom outlet valve with Temperature Sensor

Stirrer System

• Easy interchangeable stirrers made of PTFE lined
• Glass lined, anchor, turbine agitators
• PTFE coating/ lined Anchor, Pitch blade turbine, interchangeable impellers also.
• Glass stirrers with PTFE Blade, Vortex Stirrer, Propeller Stirrer
• Motor : Flame Proof, Speed control by VFD or mechanical variator with suitable gear box.
• Seal : Sic, Single dry running Complete SS construction ( option ), SS hood for motor, gear box, housing

Safety Devices

• Rupture Disc
• Vent nozzle in Jacket ( For Glass Jacketed Reactor only)
• Glass / PTFE Pressure Relief Valve
• Coating of Glass components to avoid static discharge PTFE thermometer pocket with Tantalum Tip