Level Measuring Instruments

• Make: Sunflow
• Model: SF/TLI/406,408,407,405
• Measuring Range: 250mm, can be customized
• Medium Density: 0.5Kg/L
• Medium Pressure: 5.0Mpa

Model (SF/SMMLS/400) side mounted subminiature level switch.Material of construction-SS 316.Float diameter-28mm.Process connection- 1/4" BSP(M) thread with locknut.PTFE Teflon gasket.Mounting Hole diameter-13mm.SPST Reed switch rated 100VA, maximum switching voltage-230 VAC/300 VDC, maximum switching current-1 Amp.With 1 Metre long 19/36 SWG Teflon insulated flying extension leads.Maximum working pressure- 4 kg/sq.cm &Temperature-125 deg C.Specific gravity-0.5

• Durable finish standards
• Corrosion resistance
• Flawlessly finished

• Liquid chamber: C.S./S.S..304/S.S.316
• Cover plate: C.S/M/S/
• End fittings: CS/S.S.304/S.S.316
• Valve body: S.S. 304/ S.S.316
• Press rating: 75kg/cm
• Temp: 300° C
• Range: 0-3 metre.
• Make: SUNFLOW
• Model: SF/RLG/305

• Strong design
• Optimally finished
• Temperature resistance

• Installation: Vent On Top Vertically
• Mounting: Top
• Terminal Enclosure: Cast Aluminum, Weather proof to IP 66 or Ex - proof to Gr. IIA & IIB or IIC
• Conduit Connection: 1/2” BSP (F) with 1/2” BSP (M) Conduit
• MOC of Guide Tube: SS316, PP, SS316 with PVDF coated
• No. Of Floats: Single or Multiple (Maximum of 4)
• MOC of Floats: SS316, PP or PVDF
• Size of Floats: Ø28, Ø41, Ø60, Ø75 & Ø90mm for Ss316,
• Ø50, Ø63 & Ø90mm for PP and Ø60, Ø75 & Ø90mm for PVDF
• Process Connections: Flanged with Housing,
• Screwed with Housing or Flanged with DIN Connector
• Min. Specific Gravity: 0.7 (Minimum)
• Switch Type: Reed Switch
• Switch Rating: 0.5A / 250 VAC
• Switch Differential: Fixed (10 ± 5 mm)
• Housing Material: Die - cast Aluminum
• Ingress Protection: IP 65
• MOC of Wetted Parts: AISI 316 SS
• Accuracy: ± 2 mm
• Repeatability: ± 1 mm
• Load: Resistive or Inductive
• Insulation: 100 Mega - Ohms at 500 VDC
• Max.Operating Temperature: 125ºC
• Max.Operating Pressure: 10 Kg/cm2
• Model: SF/TMMLS/411,412

• MKAE: SUNFLOW
• MODEL: SF/SMMLS/407
• Wetted Part: SS304, SS316, PP, PVC, PTFE Coating
• Process Connection: Flanged / Screwed
• Enclosure: Weather proof / Flame proof
• Switch: Micro Switch rating 5 Amps. , 230VAC
• Contact: NO/NC (Potential Free)
• Temperature: 150ºC max.
• Pressure: 20 kg/cm² max.
• Application: water, oil, chemical, solvent etc

• High / Low Level Alarm
• Automatic Pump Control
• Safety Inter Locks Circuits
• Solenoid Valve Control.
• Prevention of Tank overflows
• Pump safeguard against dry running

Level Measurement of liquid in overhead and underground Tank of liquid as Water, Waste Water DM Water , Furnace Oil, Lube Oil, Vegetable Oil, Alkalies, Chemical, acids Solvents etc

A reliable, economical and accurate level indicator for tall overhead liquid tanks Clear Visibility of Fluorescent red colour pointer on wide scale board provide accurate indication / level information from distant location Dust free housing of pulley minimise the friction and provide smooth movement of rope Vapour Sealed for special application /evaporator nature liquid like HCL,N2, diluted HNO3/Alkalies, NH3,Methanol, Benzene, Toluene, IPA etc.

• No Power Consumption . Will not be affected by power failure
• A level transmitter or magnetic switch can be installed and adjusted without disturbing the process
• 360 degree magnetic-flux field provides constant interaction with roller assembly in turbulent liquids
• Roller channel and outer housing is of black powder coated aluminium. Outer housing in stainless steel as optional
• Rollers are of glass filled Nylon/ABS plastic
• Rollers move on Delrin bush bearings. Delrin is a self lubricating type material and hence movement will be frictionless, thus ensuring long life
• Front window is of crystal clear acrylic
• Acrylic windows has a U-gasket i.e. double gasket-gasket on top & bottom side ensuring perfect sealing on both side
• Compact, rugged and field proven
• In our level gauges the primary magnet attached to float is 360 degree rare earth. Rare Earth magnet has an unusually high energy output and is highly resistant to demagnetization, they will not demagnetize at high temperatures like ceramic magnets

• Applicable in environment with high temp., high pressure, strong acid, strong alkaline and hazardous locations
• Multiple applications for textile dyeing, sewage water processing, power generating, boiler and petrochemical industries

• Follower Glass Tube Borosilicate
• Indicator Red Coloured Float (Magnet encapsulated)
• Glass Tube Protection Aluminium Channel / Aluminium Pipe

• Bicolour Indicator Red on one half & White on other half
• Roller pivot Delrin Bush
• Roller Magnet Housing Powder Coated Aluminium Channel/Stainless Steel 304
• Window material Crystal Clear Acrylic
• Scale Black Powder Coated Aluminium/Acrylic/stailess Steel 304, engraved Markings & numerals
• Process Connection 3/4" ASA 150 Lbs flanged as Standard. Other connections as per customers' specification
• Mounting Side/Top Mounted
• Center to Center Distance between flanges: 500, 1000,1500 mm Or as per request. (Max. 3000 mm)
• For Top mounting. Please specify tank height
• No of Electric Contacts High, Low or Both High and Low
• Type of Contacts Adjustable externally throughout the range
• Operating Temperature
• Please Specify
• Operating Pressure
• Please Specify
• Specific Gravity of the Fluid
• Please Specify

• Temperature: ≤ 300°C
• Visible distance: 60m, 200 ~ 300 m at night
• Power supply voltage: AC 220V (with adapter) or DC24V

• Optimum quality
• Compact design
• Sturdiness

• Durable finish standards
• Unmatched quality
• Flawlessly finished

• Switch Rating: 250V AC, 15 A
• Temperature: 0 °C to 80 °C
• Pressure: max. 2 bar
• Protection: IP 68

• Tubular Level gauge for visual liquid level observation is very common in process industry. It is a simple and reliable device for direct reading in atmospheric or pressurized tank applications. It is mounted parallel, along the side of tank. As the process level fluctuates, the level in the transparent glass tube changes accordingly and gives local liquid indication.
• Technical Details : New Bolted Gland with teflon packing ensures positive leak tightnes for full vacuum as well as 10kg/cm² pressure service Sturdy Protection : Glass tube is protected by box section made out of two M.S.channels Beam strength of the guard is so good that even if a man stands on the indicator supported at two ends, the tube remains intact.

• 75% less in weight compared to Reflex and Transparent liquid level
• indicators.
• Extraordinary strength but less bulky

• 16 /19 / 25 mm O.D Borosilicate glass gives excellent visibility.
• Surface tension effects are eliminated.

• Full vacuum: 10kg/cm² compressed Air.
• Measuring Range: 0-4000 MM
• Model No.: SF/TLI/409

• Operation without power supply
• Reed switches separated from process
• Wetted parts stainless steel or plastic
• Up to 5 switch points
• Various process connections
• Explosion-proof models

• Liquids with min. 0.7 kg/dm3 density
• Multi-point level switch in closed tanks
• Chemicals with dense vapour or gas layer above the surface
• Foaming liquids

• Switch Rating: 250 V AC, 3A / reed relay, max. 9A
• Ambient Temperature: -20 °C to 95°C
• Medium Temperature: -20 °C to 150°C
• Pressure: max. 25 bar
• Process connection: 1", 2" or flanges
• Protection: IP 65
• Approvals: II 2 G EEx d IIC T3...T6 (TÃœV)

• Frequency of operation: 5 to15 kHz
• Model No.: SF/CLT/400
• Probe Material Stainless Steel / Teflon insulated: 10/12/16 mm rod upto Max 3 Metre length
• Process connection: 3/4",1",1.1/2" BSP(M) or 1 "ASA 150
• Power supply: 24V DC
• Output: 4 to 20 mA non-isolated Span & Zero adjustment Trim pots
• Max.Working Pressure: 10kg/sq.cm
• Max.Working Temp: 50deg.C
• Accuracy: ±0.5%, ±1% or ±2%
• Enclosure Cast aluminium weather proof with PG9 cable gland or Flame proof (IS2148-2004,Gr II A and B gases)
• Cable Size: 3 core, 0.75 sq.mm screened PVC cable.

• Two parts isolated design-Electronic Module can be easily separated without removing the probe and without necessity of process shut down. So module replacement is easy.
• No moving parts, it is rugged and robust instrument.
• No dead band or dead zone like float based/ultrasonic instruments
• Suitable for operation from 12 to 32 VDC, with reverse polarity protection.
• Standard output 4-20mA.Voltage output of 0-10 optional. (For 12 V input supply output 0-5V and with 24 V supply output 0-10V)
• Plug and play with reference probe and rod.
• Remote electronics as option with 2 Metre long coaxial cable.
• Standard enclosure weather proof-cast Aluminium or Nylon 66. Flame proof as optional.
• Trim-Pots for span and zero adjustment.
• Our new introduction is Micro processor based Blind Transmitter (available only in weather proof version) with Push Button Teach-in facility and damping arrangement.

• 2- or 4-wire FMCW technology
• TBF mode for low Er
• Field indicator facility
• High accuracy up to ± 1 mm
• High pressure
• High temperature range
• Low dead band
• Explosion-proof models

• Level or volume measurement
• Liquids, powders, granules with Er > 1.5
• Medium with dust, vapour or pressurized gas layers above the
• product surface
• Heavy industrial applications

• Power supply: 24 V DC, 24 V AC, 100-120 V AC, 220-240 V AC
• Flange Temperature: -60… 250 °C
• Pressure Max: 0….64 bar
• Measuring range: up to 40 m (100m)
• Analog Output: 4 - 20 mA, HART
• Communication: HART, Profibus PA, FF, Modbus (RS485)
• Protection: IP 66/67
• ATEX Approval: II 1/2 G EEx de IIC T6...T1
• II 2 G EEx de IIC T6...T1
• II 1/2 G EEx de [ia] IIC T6...T1
• II (1)2 G EEx de [ia] IIC T6...T1
• II 1/2 G EEx ia IIC T6

Application

High / Low Level Alarm Annunciation , Automatic Pump Controls Prevention of tank over flow and dry running of pump for any conductive liquid tank used in industries such as Water, Waste Water, Acids, Salts, Brewery Liquids, Juices, Milk, Liquid Ammonia, Chemical, Condensate etc.

• Large Sumps & Fuel Tanks, Boiler Feed Water, Waste Water & Sewage, Interface Liquids, Petrochemical, Generator Sealing Liquid etc.

• Wetted part: SS304, SS316
• Process Connection: Flanged / Screwed
• Enclosure: Weather proof / Flame proof
• Switch: Micro Switch, rating @5 Amps , 230VAC
• Contact: NO/NC (Potential Free)
• No. of Switching: 1, 2 or 3 Switching
• Temperature: 150ºC max.
• Pressure: 20 kg/cm² max.

• Housing: Die Cast Aluminium
• Insertion length : 150 mm standard, Extension upto 3 mtrs
• Revolution per minute: 1 RPM
• Ambient temperature –40 °C…+65 °C
• Material of wetted parts: Stainless steel SS304 /SS316
• Material of Vanes: Stainless Steel SS304/SS316,
• Numbers & Type of Vane:1 to 4, various types available as per application
• Process connection: 1-1/2” BSP ( standard) others on request.
• Medium specific gravity: Min. 0,08 kg / dm3
• Medium temperature: 40 °C…+80 °C, special version upto 200 °C available.
• Electrical Cable gland: PG -16, 2 nos. ( Polymer) Medium pressure max. 2 bar
• Output: SPDT 230 V AC, 10 A,
• Power supply: 230 V AC, ±15% or 110 V AC or 24 V DC

• SUNFLOW heavy duty, Rotary Paddle Level Switches Series RPLS 40 are the most suitable for level detection of dust granules and other free flowing solids up to the particle size of Ø10 mm. These are mounted from Side- Horizontally or Top-Vertically in bins, vessels silos and hoppers of application material. It can be applied for control of level during filling and emptying as well as for protection against overfilling

• Cement, Dust, Coal Powder, Lime Powder, Fly ash, Sand, Gypsum Calcium Powder, Plastic Powder, Pellets, Chips, Wooden Granules, Sugar, Coffee, Cocoa Powder, Flour, Active Soot, Beet slice, Hard Crop

• Level switch for powders and free flowing solids
• Flexible coupling (optional as per application)
• Extension up to 3 m
• Robust, dust and watertight housing
• Extended life by motor shut off design
• Sealed bearings
• Interchangeable paddle assemblies,
• Magnetic Clutch mechanism

• It consists a magnetic float and a guide stem. A chain of reed switches and resistors are placed inside the guide stem. As per liquid level float moves up or down on the stem, magnet inside the float operates the reed switches inside the stem thereby causing a change in resistance value. Change in the resistance is measured by the electronics unit located in the enclosure and conditioned as a current output of 4 to 20 ma.

• Measuring range: min. 200 mm to max. 3000 mm
• Output: 4-20 ma dc, 2 wire
• Supply voltage: 24 vdc
• Enclosure: die cast aluminium, weather proof/flame proof
• Moc of wetted part (float & stem): ss304/ss316/pp
• Process connection: 2”/3” flanged/threaded
• Moulting: vertically ( top of the tank)
• Process temperature: 100°c max.
• Process pressure: 10 kg/cm²

• Continuous level monitoring in the storage tank of liquids like water, diesel , oil, fuel, acids, chemical, solvent, milk, juice etc.

• Housing: Die Cast Aluminum, weather proof, powder coated, Integral with the probe
• Cable entry: 2 nos.
• Ambient temperature: 0 ° C to +60° C
• Power consumption: 2 VA
• Mains Voltage: 230/110 V AC (+/-15%), 50 Hz OR18-55 V DC or 65-265 VAC
• Output: 2 sets of potential free c/o contacts rated at 5 amps, 230 V AC for non-inductive loads
• Switching delay: Continuously adjustable From 1 to 20 sec. probe Free or probe covered (Optional)
• Safety operation: Field selected switch over for min. or max. (FSL/FSH) switching points
• Switch status display: Green LED shows Normal, Red LED shows alarm
• Fork (Sensing Probe):
• Mounting: Screwed ¿ 1 ½ BSP (standard) Or Flanged (optional)
• Sensing Fork: Stainless steel SS304/SS316
• Extension: Pipe
• Probe Insertion Length: 250 mm standard, Extension up to 3000 mm
• Operating Temperature: 150 deg (standard), up to 200°C (on request)

• Vibration of the fork has self cleaning properties
• The light deposit on the container wall does not affect the operation
• Fast and Easy Installation
• No Calibration
• No effect of electrical properties of the Service material
• High Reliability
• Suitable for the highly dusty environment
• Field selectable operation logic
• Can be configured either for High or Low Level point switching
• Provides economical solutions

• SUNFLOW Vibrating Fork Level Switches series VFLS are the most suitable for level detection of Free Flowing Solids across wide density range from fine powders and polymers to granules and grains up to the particle size of Ø12 mm. These are mounted from Side- Horizontally or Top-Vertically in bins, vessels silos and hoppers of application material. It can be used for level sensing & control , blockage detection, high level /overfill and low level protection

• Plastics, Powders, Flour, Cement, Coal Powder, Fly ash , Lime Powder, Bulk Solids Handling, Chemical, Pharmaceutical, Food, Paper, and many others in the form of solid powdery, granules

• Probe length /measuring range: 0.25 to 3 meters (rigid/rod) 1 to 20 meters(flexible/rope)
• Probe material: stainless steel rod /rope (insulated partly or fully with ptfe )
• Medium temp: -20 deg c to 100 dec c special version upto 200 deg c
• Electronics: -25° c to +65° c
• Output: 4-20 m a dc ( 2 wire loop power)
• Supply voltage: 12-30 v dc
• Mounting connection: 1/2" standard for rod probe, others as per request and application.
• Conductive material: water based solutions. Acids, bases etc – only insulated probe are suggested.
• Non-conductive material: mostly petrochemical and solvents – insulated or non insulated probes can be used.

• Continuous level monitoring, level measurement , sensing and control in tanks of liquids like acids, acetone, ammonia, benzene, water, chemicals solvents ,ctc, diesel, oils, fruit juice, milk, wine etc , and in hoppers/vessels of solids like cement , fly ash, coke, corn, quartz, food grains, sand , powdery and granules.

• Output: 0-5 Volts, 0-10 Volts - 3 Wire System.
• Optional: 4 to 20 mA Output ( as a separate unit).
• Power Requirements: 8 to 24 VDC for 5V Output / 12 to 24 VDC for 10 V Output (Maximum Current = 30 mA)
• Operating Temperature: 4 to +85 C (-40 to 185 F)

• Installation: Normally Side Top Mounted for special applications
• Enclosure: Cast Aluminum
• Conduit Connection: 1/2” BSP (F) with 1/2” BSP (M) Conduit
• MOC of Floats: SS304, SS316, PP, SS304 with PVDF coated
• Min. Specific Gravity: 0.6 depending upon float material and dimensions
• Process Connections: Flanged or Screwed
• Switch Type: Micro Switch (SPDT or DPDT)
• Switch Rating: 5A / 250 VAC
• Switch Differential: Fixed (15 ± 5mm).
• Adjustable between 40 300mm depending upon float,
• trim length cam positioning
• Accuracy: ±2mm
• Repeatability: ±1mm
• Max. Operating Temperature: Upto 250ºC and High temperature model upto 350⁰C
• Max. Operating Pressure: Upto 20 Kg/cm2 at ambient temperature (Consult factory for pressure more than
• 20 Kg/cm2)
• Special Features: Adjustable differential, L/Z cranked trims, High temp. Construction with radiating fins.
• Ingress Protection: IP 65
• Float Diameter: 45 mm (48 mm at welded seam)
• Insertion Depth: 215 mm (Standard)