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Instrumentation & Control Equipments
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Suppliers Directory
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ROCKWIN FLOWMETER INDIA PVT LTD
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P.B. NO 13 VASANT VIHAR |
| Telephone : |
011- 6141266, 6142599 |
| Fax : |
91-11-6146942 |
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On-Line Trade Inquiry |
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LEVEL AND OPEN CHANNEL FLOW MEASUREMENT - MSP9 - ROCKWIN OFFERS LIQUID LEVEL FLOW MEASUREMENT SYSTEM, MODEL MSP90. IT COMPRISES AN ULTRASONIC TRANSDUCER MOUNTED ABOVE THE LIQUID SURFACE AND A MICROPROCESSOR CONTROLLED ELECTRONIC CONTROL UNIT. THE UNIT IS EASY TO CONFIGURE AND HAS SEVERAL SELECTABLE ROUTINES WHICH CAN BE USED TO MAXIMIZE PUMP LIFE AND REDUCE ENERGY CONSUMPTION. THE INSTRUMENT PROVIDES A MEASUREMENT RANGE OF 1-36 FEET AND AN ACCURACY OF ±0.5%. IT IS HIGHLY USEFUL FOR WATER INDUSTRY, INCLUDING PUMP CYCLING FOR 0 WETWELLS, SUMPS OR STORAGE VESSELS AND OPEN CHANNEL FLOW MEASUREMENT.
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KRAL SCREW VOLUMETER - ROCKWIN MANUFACTURES KRAL SCREW VOLUMETERS THAT ARE DESIGNED FOR PRECISE AND RELIABLE FLOW MEASUREMENT OF INDUSTRIAL FLUIDS WITH THE HIGHEST MEASURING ACCURACY. WITH MEASURING RANGE UPTO 1:70, THESE ARE CAPABLE OF HANDLING WIDE RANGE OF VISCOSITY. ROCKWIN KRAL SCREW VOLUMETERS ARE SELF-CLEANING AND ARE FREE OF NOISE AND PULSATION. THESE ARE COMPACT UNITS SUITABLE FOR MOUNTING IN ANY POSITION. TECHNICAL SPECIFICATIONS: ACCURACY: TYPICALLY ±0.15% OF THE ACTUAL FLOW VISCOSITY RANGE: UPTO 5000 MM2/S MATERIALS: MODEL OMG CASING: CONTINUOUS CASTING SPINDLES: STEEL NITRATED BEARINGS: BALL BEARINGS MATERIALS: MODEL OME APPLICATIONS: DIESEL ENGINE – FUEL COMBUSTION SYSTEMS – FUEL OIL, HFO, LDO TEST STANDS – HYDRAULIC OIL, A T F LUBRICATING OIL CHEMICAL INDUSTRY – ACIDS, LYE, POLYMERS FOOD INDUSTRY – CHOCOLATE, HONEY, JAM, FATS
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MASS FLOW METER - NEW DELHI-BASED ROCKWIN FLOWMETER INDIA PVT LTD MANUFACTURES MASS FLOW METER SUITABLE FOR MEASURING LIQUIDS AS WELL AS COMPRESSIBLE MEDIA SUCH AS GASES AND AERATED PRODUCTS. THE REASONS FOR THIS ARE THE RELATIVELY HIGH AMPLITUDE OF THE MEASURING TUBES AND THE HIGH KINETIC ENERGY IMPARTED BY THE HEAVY CROSS BARS. THE DRIVE MECHANISM IS COMPLETELY ISOLATED FROM THE MEASURING TUBE. WHEN A MASS (LIQUID OR GAS) FLOWS THROUGH THE OSCILLATING MEASURING TUBES, A CORIOLIS FORCE IS GENERATED. THIS FORCE CAUSES A CHANGE IN THE PHASE SHIFT BETWEEN THE TWO MEASURING TUBES. THE DEGREE OF THIS PHASE SHIFT IS PROPORTIONAL TO THE MASS FLOW AND IS DETECTED BY TWO SENSING COILS. RHEONIK CORIOLIS MASS FLOW METERS ARE PRECISION INSTRUMENTS, DESIGNED TO PROVIDE HIGHLY ACCURATE RESULTS EVEN IN HARSH PROCESS ENVIRONMENT. THIS IS DUE TO ITS STABLE SENSOR CONSTRUCTION AND UNIQUE OSCILLATING MOTION. THE INFLUENCING PARAMETERS SUCH AS MOUNTING, PRESSURE AND TEMPERATURE DO NOT INFLUENCE THE MEASURING ACCURACY.
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MASS FLOWMETER - ROCKWIN OFFERS ITS RANGE OF CORI-ROCK MASS FLOWMETERS. THESE PROVIDE A HIGH DEGREE OF PRECISION IN MASS FLOW MEASUREMENT OF LIQUIDS, GASES AND SLURRIES. TYPICAL APPLICATION INCLUDES PETROLEUM PRODUCTS, PHARMACEUTICALS, LPG, LNG, CNG, FOOD AND BEVERAGES, PULP, ETC. THE MAIN ADVANTAGE OF THESE METERS IS THEIR CAPABILITY OF ACCURATE, DIRECT, MASS FLOW MEASUREMENT. SIMULTANEOUSY, THEY ALSO MEASURE DENSITY AND TEMPERATURE OF THE FLUID. ALSO,DUE TO ABSENCE OF NON-MOVING PARTS, THESE METERS ARE VIRTUALLY MAINTENANCE FREE. A METER CONSISTS OF A SENSOR UNIT, INSTALLED DIRECTLY ONLINE, AND A SIGNAL PROCESSING UNIT. THE SENSOR IS CONNECTED TO THE SIGNAL PROCESSING UNIT BY MEANS OF A SPECIAL CABLE SUPPLIED WITH THE FLOWMETER. THE SIGNAL PROCESSING UNIT CAN DISPLAY MASS FLOW RATE, VOLUMETRIC FLOW RATE, DENSITY, TEMPERA- TURE AND TOTALISED MASS AND VOLUME FLOW. THE UNIT CAN ALSO BE USED FOR BATCH CONTROL AND ALARM SIGNALLING. IN ADDITION, OTHER ENERAL USER INPUTS AND OUTPUTS ARE AVAILABLE FOR CONTROLLING AND MONITORING OF FLOW.
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OIL FLOWMETER, POSITIVE DISPLACEMENT TYPE - ROCKWIN INTRODUCES THE CONTOIL RANGE OF PD METERS. THESE METERS WORK ON RING PISTON PRINCIPLE AND ARE SUITABLE FOR LSHS, LDO, HSD, PETROL, ATF, LUBRICATING OILS, ETC. THE MINIATURE SERIES IS AVAILABLE IN 4 MM AND 8 MM SIZES WITH FLOW CAPACITIES OF 1 TO 135 LPH. THE STANDARD SERIES CONSISTS OF 15 TO 50 MM MODELS WITH FLOW CAPACITIES FROM 10 TO 30,000 LPH. ALL MODELS HAVE A MECHANICAL REGISTER. OPTIONAL PULSE TRANSMITTERS FOR INTERFACING WITH SECONDARY INSTRUMENTATION FOR REMOTE INDICATION OF TOTAL FLOW, FLOW RATE, BATCHING, FLOW ALARMS, ETC, ARE ALSO AVAILABLE.
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POSITIVE DISPLACEMENT OIL FLOWMET - ROCKWIN PROFFERS THE CONTOIL RANGE OF PD METERS. THEY WORK ON THE RING PISTON PRINCIPLE AND ARE SUITABLE FOR LSHS, LDO, HSD, PETROL, ATF, AND LUBRICATING OILS. THE MINIATURE SERIES IS AVAILABLE IN 4 MM AND 8 MM SIZES WITH FLOW CAPACITIES FROM 1 TO 135 LPH. THE STANDARD SERIES CONSISTS OF 15 TO 50 MM MODELS WITH FLOW CAPACITIES FROM 10 TO 30,000 LPH. ALL MODELS HAVE A MECHANICAL REGISTER. OPTIONAL PULSE TRANSMITTERS FOR INTERFACING WITH SECONDARY INSTRUMENTATION FOR REMOTE INDICATION OF TOTAL FLOW, FLOW RATE, BATCHING, FLOW ALARMS, ETC, ARE ALSO AVAILABLE.
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ROTARY FLOWMETER - ROCKWIN FLOWMETER OFFERS ROOTS ROTARY METERS IN ASSOCIATION WITH DMD-DRESSER, USA. TYPICAL APPLICATIONS ARE CUSTODY TRANSFER, TOWN-BORDER MEASUREMENT, COMPRESSOR FUEL GAS MEASUREMENT AND INDUSTRIAL GAS MEASUREMENT (LPG, NATURAL GAS, PROPANE/BUTANE GAS, ETC) THESE FLOWMETERS ARE DESIGNED TO PROVIDE ACCURATE GAS MEASUREMENT OVER WIDELY FLUCTUATING FLOW, PRESSURE AND TEMPERATURE CONDITIONS. THE FLOWMETER IS AVAILABLE IN VARIOUS VERSIONS SUCH AS MECHANICAL COUNTER VERSION, COUNTER WITH PULSER VERSION AND WITH AN INTEGRAL VOLUME, PRESSURE AND TEMPERATURE CORRECTOR.
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TURBINE FLOWMETER - NEW DELHI-BASED ROCKWIN FLOWMETER INDIA PVT LTD MANUFACTURES TURBINE FLOWMETERS, WHICH ARE PRECISE, RELIABLE AND RUGGED INSTRUMENTS BUILT TO INTERNATIONAL STANDARDS. THESE FLOWMETERS ARE SUITABLE FOR A WIDE VARIETY OF INDUSTRIAL, COMMERCIAL AND AEROSPACE APPLICATIONS. ROCKWIN TURBINE FLOWMETERS ARE DESIGNED TO PROVIDE HIGH ORDER OF PERFORMANCE, ACCURACY AND RELIABILITY UNDER THE SEVEREST CONDITIONS ENCOUNTERED IN OIL, GAS, PETROCHEMICAL, AND OTHER INDUSTRIES. SIZES RANGE FORM 5 TO 50 MM THREADED AND FROM 5 TO 500 MM FLANGED END CONNECTIONS. ALL FLOWMETERS ARE INDIVIDUALLY CALIBRATED. LIQUID CALIBRATION FACILITIES AT ROCKWIN INCLUDE A CERTIFIED 500 MM METER PROVER, WHEREAS, THE GAS CALIBRATION FACILITY IS BASED ON TRANSFER STANDARDS. A COMPREHENSIVE RANGE OF ELECTRONIC SIGNAL CONDITIONING AND READOUT INSTRUMENTS IS AVAILABLE FOR USE IN CONJUNCTION WITH TURBINE FLOWMETERS. THESE ELECTRONIC DEVICES INCLUDE FLOW RATE MONITORS, FLOW TOTALISERS, VARIOUS FLOW COMPUTERS, SWITCHING DEVICES AND SIGNAL CONDITIONING ELECTRONICS FOR LOCAL AND REMOTE TRANSMISSION OF THE OUTPUT. READOUT EQUIPMENT MAY BE LOCATED UP TO 50 METRES FROM THE TURBINE FLOWMETER. WHEN A ROCKWIN PRE-AMPLIFIER IS USED, THE READOUT UNIT MAY BE LOCATED UP TO 3000 METRES DEPENDING UPON THE RESISTANCE OF CABLE USED. SPECIFICATIONS OF METERS FOR LIQUIDS ARE AS FOLLOWS: * ACCURACY - LINEARITY: (0.5 PERCENT OVER 10 TO 100 PERCENT FLOW RANGE; (0.25 PERCENT UNDER SPECIFIED CONDITIONS; REPEATABILITY: (0.02 PERCENT TO (0.05 PERCENT ON 95 PERCENT CONFIDENCE LEVEL * TEMPERATURE RANGE - TUNGSTEN CARBIDE/STELLITE: -20(C TO +150(C; OPEN BALL BEARINGS: -20(C TO +150(C (CLEAN LIQUIDS ONLY) * PRESSURE DROP: APPROXIMATELY 0.28 KG/CM2 (4 PSI) AT MAXIMUM FLOW (SG, 1, VISCOSITY 1 CST) * MAXIMUM PRESSURE - THREADED METER: 250 KG/CM2 (4000 PSI); FLANGED METER: ACCORDING TO FLANGE RATING * ELECTRICAL CONNECTIONS: MS TYPE AMPHENOL CONNECTOR SERIES 10 SL 3102, SUPPLIED WITH MATING CONNECTOR OR TERMINAL BLOCK MOUNTED IN CERTIFIED CONDUIT BOX * MATERIALS BODY (ALL SIZES): STAINLESS STEEL (CARBON STEEL ON ORDER) * FLANGE: CARBON STEEL (STAINLESS STEEL ON ORDER) * ROTOR: STAINLESS STEEL 430/ANC 21 * BEARING SUPPORT: STAINLESS STEEL 316 * BEARING: TUNGSTEN CARBIDE, STELLITE, SS BALL BEARING METERS FOR GASES ARE AVAILABLE WITH ACCURACY (1 PERCENT OVER 10 TO 100 PERCENT FLOW RANGE (INCLUSIVE OF LINEARITY AND REPEATABILITY). THE TEMPERATURE RANGE FOR SHIELDED BALL BEARINGS IS -50(C TO +150(C AND PRESSURE DROP IS APPROXIMATELY 1 INCH WG AT MAXIMUM FLOW (AIR SG 1). THE OTHER SPECIFICATIONS ARE SAME AS LIQUID METERS.
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ULTRASONIC DOPPLER FLOWMETER - MAX FLOW CAPACITY (M/H - ROCKWIN, IN TECHNICAL CO-OPERATION WITH POLYSONICS OF HOUSTON, TEXAS, OFFERS ULTRASONIC DOPPLER FLOWMETER FOR FLOW MEASUREMENT OF LIQUIDS. THESE FLOWMETERS ARE UNIQUE IN A WAY THAT( THEY ARE COMPLETELY NON-INVASIVE AND MEASURE THE FLOW OF FLUID WITHOUT THE SENSORS COMING IN CONTACT WITH THE FLOWING FLUID. IT UTILIZES DOPPLER'S PRINCIPLE AND MEASURE THE FLOW OF FLUID TO AN ACCURACY OF ± 2% OF VELOCITY OR BETTER. THE BRIGHT LCD DISPLAY PROVIDES A VARIETY OF HIGH RESOLUTION GRAPHICS AND ALPHANUMERIC DISPLAY OF ACTUALAND TOTALISED FLOW. THE SCREEN ALSO FEATURES FREQUENCY DOMAIN SIGNAL DISPLAY. HIGHLY USEFUL FOR SEWAGE TREATMENT, WATER AND WASTE WATER MANAGEMENT, ACIDS AND MEASUREMENT OF CORROSIVE AND TOXIC LIQUID
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ULTRASONIC VORTEX GAS FLOWMETER - ROCKWIN PROFFERS ITS WIDE RANGE OF ULTRASONIC VORTEX FLOWMETERS IN TECHNICAL CO-OPERATION WITH J-TEC, USA. THESE METERS ARE IDEALLY SUITED FOR INDUSTRIAL METERING OF BIO-GAS, STEAM, COMBUSTION AIR, ETC. THEY ARE ALSO SUITABLE FOR FLARE STAKE MONITORING, ETC. THESE METERS WORK ON THE PRINCIPLE OF VORTEX SHEDDING. WHEN A GAS FLOWS PAST AN OBSTRUCTION, VORTICES ARE CREATED IN A FIXED, PREDICTABLE PATTERN. THE NUMBER OF VORTICES SHED DOWNSTREAM PER UNIT TIME IS PROPORTIONAL TO THE FLOW RATE. THE MEASUREMENT OF VORTEX SHEDDING IS THROUGH PATENTED ULTRASONIC SENSING. IT OFFERS A RANGEABILITY OF 1:70 WITH ALMOST NEGLIGIBLE PRESSURE DROP. THE WAFER SERIES IS AVAILABLE FROM 10 TO 100 MM WITH FLOW CAPACITIES UP TO 18,000 M/HR. THE INSERTION SERIES IS AVAILABLE FOR PIPE SIZES VARYING FROM 150 MM AND ABOVE, WITH A VELOCITY RANGE FROM 0.6 TO 56 M/SEC. THESE METERS ARE COMPATIBLE WITH A WIDE RANGE OF ROCKWIN ELECTRONIC READ OUT UNITS COMPRISING TOTALISERS, BATCHERS, FLOW RATE MONITORS, FLOW ALARMS, VARIOUS OUTPUTS AND DEDICATED FLOW COMPUTERS.
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FUEL GAS FLOWMETER - ROCKWIN MANUFACTURES FUEL GAS FLOWMETERS FOR ALL NON-AGGRESSIVE GASES AND FUEL GAS SUCH AS NATURAL GAS, PROPANE, BUTANE, ETHANE, COKE OVER GAS, TOWN GAS, ACETYLENE, NITROGEN, CARBON DIOXIDE, AIR AND ALL INERT GASES. ALL TURBINE METERS ARE EQUIPPED WITH LUBRICANT RESERVOIR AND PUMP FOR PERIODICAL LUBRICATION. THEY HAVE A DIRECT READING LOCAL TOTALISER AND PULSE TRANSMISSION FOR REMOTE INDICATION. THEIR BODY IS MADE OF SPHEROIDAL GRAPHITE IRON OR CARBON STEEL AND THE ROTOR IS OF POLYACETAL OR ALUMINIUM. IN CASE OF UNFAVORABLE CONDITIONS, WHERE WATER OR HYDROCARBON CONDENSATE OCCURS IN THE GAS AS WELL AS IN THE CASE OF DUST-LADEN GAS, MORE FREQUENT LUBRICATION IS RECOMMENDED. TECHNICAL SPECIFICATIONS: ACCURACY: ±2% FOR Q MIN TO 0.2 Q MAX ±1% FOR 0.2 Q MAX TO Q MAX REPEATABILITY: BETTER THAN ±0.2% TEMPERATURE RANGE: -10 TO 50° STANDARD MAXIMUM PRESSURE: 100 KG/CM2
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SCREW VOLUMETER - ROCKWIN FLOWMETER OFFERS KRAL SCREW VOLUMETERS DESIGNED FOR DEPENDABLE AND PRECISE FLOW MEASUREMENT OF INDUSTRIAL FLUIDS WITH THE HIGHEST MEASURING CLARITY. WITH MEASURING RANGE UP TO 1:70, THESE ARE CAPABLE OF HANDLING WIDE RANGE OF VISCOSITY. THESE VOLUMETERS ARE SELF-CLEANING TYPE AND ARE FREE OF NOISE AND PULSATION. THESE ARE COMPACT UNITS APPROPRIATE FOR MOUNTING IN ANY POSITION. SPECIFICATIONS: ACCURACY- TYPICALLY (0.15% OF THE ACTUAL FLOW, VISCOSITY RANGE: UP TO 5000 MM2/S, CASING - CONTINUOUS CASTING AND SPINDLES - STEEL NITRATED.
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