Sigma Instruments & Controls Panchpakhadi, Thane, Maharashtra

We are one of the foremost manufacturers and suppliers of a comprehensive assortment of Tubular Type Level Indicators . Our range is appreciated for higher degree of accuracy, precision & compact design, durability and longer service life. Tubular Liquid Level Indicator : Simple & reliable level indicator for direct reading in atmospheric or pressurised tanks upto 8 kg/cm2.They are widely used in day storage tanks.• MOC - C.S./SS.304/ss 316/P.P. & Teflon lined• Range / CCD - 300 MM - 3000 MM.• Connection - 15 NB-50 NB. Flanged/Screwed Type• Application - Suitable for small & low pressurised                       tanks & Max. Temp, upto 70°C.• Orientation - End connection orientation can be   modified as per the customer requirement, eg.   Right/Left/Front/Vertical mounting.

Simple & reliable level indicator for direct reading in atmospheric or pressurised tanks upto 8 kgcm2.End connection orientation can be modified as per the customer requirement, eg. RightLeftFrontVertical mounting.

A cylindrical Main capsule fitted with powerful magnet, which moves up & down alongwith the level rise or fall. This movement will be magnetically coupled with the follower Red indicator outside the chamber which is enclosed in the glass tube.MOC - C.S./S.S. 304/ SS 316/ PP/PVDF/PTFERange - 250 MM - 3000 MMConnection - 100 NB & 150 NB, Flanged typeFloat - SS-304/316 L, Glass, HDPE, PP, PVDF, PTFE ECTFE / HalarcoatedApplication - Suitable for hazardous, expensive, poisonous & flammable liquids. Option : Can be provided with level transmitter & with or without HART-Protocol We are one of the foremost manufacturers and suppliers of a comprehensive assortment of Side & Top Magnetic Level Indicator. Our range is appreciated for higher degree of accuracy, precision & compact design, durability and longer service life.. Side Mounted Magnetic Level Indicator: A cylindrical S. S. float fitted with powerful magnet, which moves up & down alongwith the level rise or fall. This float movement will be magnetically coupled with the follower Red indicator outside the chamber which is enclosed in the glass tube.MOC - C.S./S.S. 304/ SS 316/ PP/PVDF/PTFERange - 250 MM - 3000 MMConnection - 100 NB & 150 NB, Flanged typeFloat - SS-304/316 L, Glass, HDPE, PC PVDF, PTFE ECTFE / HalarcoatedApplication - Suitable for hazardous, expensive, poisonous & flammable liquids.Option - Can be provided with level transmitter with or without HART-Protocol.

We are one of the foremost manufacturers and suppliers of a comprehensive assortment of Measuring Manometers. Our range is appreciated for higher degree of accuracy, precision & compact design, durability and longer service life.Catchpot, Stand Manofluid, Hg & Red oil (density 2.95) Option- Inclined limb Manometer, wooden based eco Manometer & acrylic body Manometer, Purgair back pressure Manometer can be manufactured.

Range : 100-0-1000 MM

We are one of the foremost manufacturers and suppliers of a comprehensive assortment of Side & Top Magnetic Level Indicator. Our range is appreciated for higher degree of accuracy, precision & compact design, durability and longer service life.. Sight glass is a device used to check the inline flow of various liquids. Sight glass enables maintaining the flow of liquid through viewing insteanously and guides for any subsequent change in the flow desired. Since glass is transperant, non-reactive, non-contaminent with most of the chemicals & therefore sight glass in Borosilicate construction remains universal engineering items. They are widely used in high pressure application. MOC    - CS/SS 304/ SS 316/ PP & PTFE Lined Range - 15 NB-300 NB, Flanged / Screw TypeFFD     - 150 MM - 600 MM.

We are one of the foremost manufacturers and suppliers of a comprehensive assortment of Side & Top Magnetic Level Indicator. Our range is appreciated for higher degree of accuracy, precision & compact design, durability and longer service life.. The switch works on magnetic principle. The float carries a powerful magnet activating the microswitch which is enclosed in a FLP/WP housing. This snap acting switch is completely Glandless, hence no leakage possibility in the Switch housing.Enclosure       - Whether proof / Flame proofMOC                 - CS/SS 304 /SS 316/PPContacts         -1 No + 1 NcSwitch Rating - 5 Amps X 230 VAC Snap acting microswitch Size     - Min. 50 NB -150 NB Max.                       Flanged / Screw type.

We are one of the foremost manufacturers and suppliers of a comprehensive assortment of Reflex & Transparent Type Level Indicator. Our range is appreciated for higher degree of accuracy, precision & compact design, durability and longer service life. Reflex Type Level Indicator will have one side reflex glass and cover plate with slotted window, it is very robust & reliable & used for direct indication of the liquid. It is suitable for high pressure & temperature.MOC - CS/A 105/SS -304/ SS 316Range - 300 MM - 2500 MM (in Multiple Segments)Class - Indian / Imported, Toughened, option - 1) Anti frost for lowTemperature application.Heating JacketIsolation valve

We are one of the foremost manufacturers and suppliers of a comprehensive assortment of Pipelines Filtering Strainer. Our range is appreciated for higher degree of accuracy, precision & compact design, durability and longer service life. Pipeline Strainers: Basically strainers is a filtering element fitted in a pipe line for filtering liquids before enters into actual process.Strainers are used to remove solids, dirts and foreign material from flowing liquids or gases by means of perforated sheet or wire mesh straining element and protect process & equipments.The strainer is standard and almost universal used , its compact and cylindrical element shape with wire mesh, back up by perforated strong sheet and resist the higher pressure. impurities can be removed by draining or cleaning screen and wire mesh. Types – “Y “type, Basket or Pot, “T” type, conical, cylindrical, duplex typeMOC – C.S/ CI / SS304/ SS316/ PP & HDPE / PTFEDesign Temperature – up to 150°CDesign Pressure - 15Kg/CM2 Connection – Flanged / Screwed / Socket-weld / Butt weldSize – 25 NB to 300 NB  

We are one of the foremost manufacturers and suppliers of a comprehensive assortment of Oil Level Indicator. Our range is appreciated for higher degree of accuracy, precision & compact design, durability and longer service life. We offer our customers, oil level indicators which is used in the greasing/ oil system and gear to see the lubricating oil levels in the concerned equipment. Magnetic gauge of these is made using quality raw material, ensuring accurate measurement of the oil level. With the help of our professionals, we are also able to custom design our range as per the specifications of our eminent customers

We offer our customers, oil level indicators which is used in the greasing oil system and gear to see the lubricating oil levels in the concerned equipment. Magnetic gauge of these is made using quality raw material, ensuring accurate measurement of the oil level. With the help of our professionals, we are also able to custom design our range as per the specifications of our eminent customers.

We are one of the foremost manufacturers and suppliers of a comprehensive assortment of Measuring Manometers. Our range is appreciated for higher degree of accuracy, precision & compact design, durability and longer service life... MOC    - CS/SS-304/SS 316Range - 0-500 MM to 1500 MM Higher Range on request:Accessories - Catchpot, Stand Manofluid, Hg & Red oil (density 2.95) Option- Inclined limb Manometer, wooden based eco Manometer & acrylic body Manometer, Purgair back pressure Manometer can be manufactured.

A cylindrical Main capsule fitted with powerful magnet, which moves up & down alongwith the level rise or fall. This movement will be magnetically coupled with the follower Red indicator outside the chamber which is enclosed in the glass tube.

We are one of the foremost manufacturers and suppliers of a comprehensive assortment of Level Transmitter. Our range is appreciated for higher degree of accuracy, precision & compact design, durability and longer service life. This is more reliable techniques for continuous level indication and controlling of any liquid, since it is add on magnetic level indicator, has no direct contact with actual liquid. Hence – there is no question of corrosion, Sp. Gravity, temp, pressure, for smooth operation, this sensor tube is magnetically actuated with movement of magnetic float / tip.Construction & Working:The sensor tube is manufactured from non magnetic material to achieve undisturbed flux. it contains chain of reed switches & resisters. A magnetic float are tip tracks the level & activates reed chain. The change in resistance is in proportional to level & same is converted into 4-20 ma current by loop power transmitter and LCD unit indicates the reading.Technical SpecificationElectrical:Sensor – resistiveResolution – 10 mmAdjustment – Zero for 4, full for 20 maInput – 12 to 30 V DC (From Loop)Output – 4 - 20 ma, 30 mA MAX.Wiring System – 2 wireResistive Load - < 750 ohmsEnclosure – Die Cast Aluminum ( LM-6 )Cable Entry – ¾ ET, ½ NPT / BSPProtection– IP 65 / FLP IS -2148 GR II A II BInstallation – On top & side mounted level indicator.Max Range- 0-3 MTRS.Option : With or Without HART Protocol Indicator Unit:Display- 3 ½ Digit. 7 segment LCDPower Supply - 230 ACHousing Panel mounting: cut to size 96 x 96Set Points: Multiple alarm relay  

We are one of the foremost manufacturers and suppliers of a comprehensive assortment of Breather Valve. Our range is appreciated for higher degree of accuracy, precision & compact design, durability and longer service life. Breather valves also known as low pressure relief and vacuum breaker, enclosed in one single housing.It is widely used where pressure and vacuum relief is required.This operates at a preset pressure, the pressure pallet lifts and giving vent to the flow and where vacuum is developed in closed system, at a set pressure, vacuum pallet lifts in breathing the air.These valves are usually installed on fixed roof tanks, storing highly volatile organic liquids with low flash point.This can also be fitted with flame arrestor.MOC – Aluminum/ C. S / SS 304 / SS316Sizes – 25 NB to 300 NBRef Std – API 2000

We are one of the foremost manufacturers and suppliers of a comprehensive assortment of Metal Rotameter. Our range is appreciated for higher degree of accuracy, precision & compact design, durability and longer service life. Mainly used for measuring flow of liquid & gases with a certain degree of accuracy, fitted direct in line.MOC - CS/SS 304/ SS 316/PP & Teflon linedSize - 15 NB-80NB Flanged typeRange - 3 - 30 LPH to 2500 - 25000 LPH Of H20Accuracy - +/- 2 % of Full flowOption - Hi/Low flow alarm

We are one of the foremost manufacturers and suppliers of a comprehensive assortment of Float & Board Type Level Indicator. Our range is appreciated for higher degree of accuracy, precision & compact design, durability and longer service life.  Float & Board Type Level Indicators : Suitable for tall & overhead tanks of non pressurized and non hazardous chemical storage tanks.In this level indicator, the indication pointer is gliding over a screen printed scale board with the help of wire rope and float moving on dust free pulleys.MOC       - SS 304/ SS 316 / PP & PVDF/ Halar CoatedRange     -1-20 meterAccuracy - +/-1 cm.Option     - 1) Vapour Seal Magnetic Type                2) U Type Liquid Seal.

We are one of the foremost manufacturers and suppliers of a comprehensive assortment of Flame Arrestor. Our range is appreciated for higher degree of accuracy, precision & compact design, durability and longer service life. A flame arrestors is a device fitted to the opening of an enclosure or to the connecting pipe works in a system of enclosure and which allows gases or vapors to flow under normal operating condition, but prevents the transmission of flame and stops flame in order to prevent a large fire or explosion.It has no moving parts which comprises of passageways of apertures (Flame Cell Channels) that allows vapor or gases to flow freely through a fine woven wire screen arrestor.The arrestor simultaneously dispenses and cools an approaching flame to a temperature below the vapor ignition point.Types:Inline Type: are fitted in piping systems to protect                   down stream equipmentsEnd of Line: are fitted to the end of pipe line or exit               to a vessel to prevent flames from entering.MOC – CS/SS304/SS316Conn – All flanged typeRef STD – API 2000Size – 25 NB to 300 NBApplication – All underground solvents tanks & flamable liquid processing tanks.Other Allied Products – Spark Arrestor and Lighting Arrestor can be manufactured on request.

We are one of the foremost manufacturers and suppliers of a comprehensive assortment of Anti Corrosive Lined Products. Our range is appreciated for higher degree of accuracy, precision & compact design, durability and longer service life. Corrosion Resistant Linings : These products will have plastic lining inside & suitable for corrosive liquids. Wetted parts are always plastic lined & externally it is metal.MOC - 1) Externally ms/ss pipes & flanges          2) Wetted parts-lined with PP/HDPE/PVDF/PTFESize  - 25 NB-200 nb, flanged type.Testing - spark test at 8 kva.Lining thickness - 4 to 5 mmOption - reducer, sight flow indicators, cross, dip pipe, blind flanges can be manufactured on request.

We are one of the foremost manufacturers and suppliers of a comprehensive assortment of Calibration Pot. Our range is appreciated for higher degree of accuracy, precision & compact design, durability and longer service life. Calibration Pots: Sigma calibration pots provides a fast, easy and economical means of checking the flow rate of chemical metering pumps.The most accurate test of metering pump flow rate is to measure drawdown rate on the suction side, while leaving the discharge undisturbed in its normal steady state operating condition. Pump flow rate verification on a periodic basis or after maintenance is important to system accuracyFeatures: Rugged metal frame construction with top and     bottom plate, and fastened with tie rods. Shielded glass / Acrylic model available for acids and    strong chemicals. Calibrated scales were protected from harsh    chemicals by laminating on both sides. Available with screwed or flanged connection.     MOC – C.S./SS304/ SS316/ Solid Acrylic or PP / HDPE /           C-PVC / U-PVCConnection Size: 15 NB to 50 NB Flanged type, 15 NB                          to 25 NB Screw

Breather valves also known as low pressure relief and vacuum breaker, enclosed in one single housing.It is widely used where pressure and vacuum relief is required.This operates at a preset pressure, the pressure pallet lifts and giving vent to the flow and where vacuum is developed in closed system, at a set pressure, vacuum pallet lifts in breathing the air.These valves are usually installed on fixed roof tanks, storing highly volatile organic liquids with low flash point.