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501-504, 5th Floor, Raunak Arcade,
Near Hotel Usha Kiran,
Gokhale Road, Naupada,
Thane (W) - 400602. Maharashtra, INDIA
Telefax: 91-22-25301330, 25301331, 25301332
Email :
 
 

WEL COME TO NK INSTRUMENTS PVT. LTD.

A NK GROUP COMPANY

Flow Meters, Switches, Process Control Instruments, Pressure Switches, Vacuum Switches, Differential Pressure Switches, Level Gauges, Level Switches, Level Transmitters, Online Density Gauges Level Indicators, Vibration Switches, Moisture Gauges, Moisture Meters, Online Moisture Meters, Density Gauges, Flow Switches, Customized Process Control Instruments and Control Systems, Mumbai, India.

NK Instruments Pvt. Ltd. is a 'NK Group' Company.
NK Group is in to diversified activities. The mother Co. of this group is NK Instruments Pvt. Ltd., who deals in the field of Industrial Process Control Instruments from one decade. N. K. Enterprises takes the Turnkey Projects, and also undertakes the System Automation Projects, for Process Industries. And NK Technologies has activities of Website Designing and Development, Web Hosting, Domain Booking, Web Promotion, SEO, Multimedia CD Presentations and Software Solutions etc.

NK Instruments Pvt. Ltd. is in the field of supply of varieties of Process Control Instruments and Automation Systems.

We have the Process Control Instruments whcih are required for indication and control of process parameters like Pressure, Differential Pressure, Temperature, Flow, Level, Conductivity and Density. Other than standard range of Process Control Instruments, we also deal in to Tailor made Electronic Instrumentation. Depending of the process requirements, requirements of user’s changes and those becomes specific, in certain cases. We design and develop the Instruments as per the client’s requirements. Those are mainly in to demand at Building Automation Systems, Dosing Systems, Batching Systems, Smoke Analysis etc. We also have a base in System Automations.

Our instruments are being used by almost all types if industries like chemical, Petrochemical, Pharmaceutical, Refineries, Paper & Pulp Industries, Soaps & Detergents, Food and Beverages, Glass industries, Cement Industries, Material Handling, Building Construction, Hydraulic & Pneumatic Systems, Air Conditioning and Lubrication systems, Special Purpose Machines, Boilers, Heat Exchangers etc. and we are gettings their repeat orders. The repeat orders from our clients proves, satisfaction of our clients towards our Instruments and our Services.

  In Tailor Made Instrumentation we cover Customized Instruments like, Programmable Process Indicators and Controllers, Programmable Sequential Timers, Loop Powered Indicators, Large Sized Digital Indicators, Square Root Extractors, Flow Totalizers, Scrolling Displays, Data Loggers, Process Scanners, Data Acquisition Systems, Programmable Timers, Programmable Time Totalizers, Batch Controllers, Dosing Controllers, On-Off Controllers, PID Controllers, PID Controllers with Ramp & Soak, Bar Graph Indicators, RS 232 to RS 485 Converters, RS 422 to RS 232 Converters, Temperature Humidity Controllers, Capacitor Testers, Universal Tensile Testing System, Continuous Emission Monitoring System, Earth Open Controllers, Multi Channel Indicators, Multi Channel Controllers, Tanker Unloading Systems, Can Filling Systems, Drum Filling Systems, Industrial Dispensers, Fuel Consumption Systems for Furnaces / Boilers / Gensets / Vehicles, Circular Chart Recorders with Modbus communication, RS 485 or, RS 232 communications and also the standard Digital Instruments, Indicators, Controllers, Totalizers. etc. We also undertake Turn Key Instrumentation Projects and PLC & SCADA based control system as well as System Automation Projects.

We do not just provide the instruments but, we study the application and advice the suitable instruments for their processes.

Details of our range of Process Control Instruments, are given in this website.

 
 
Pressure & Vacuum Switches
In Pressure & Vacuum Switches there are again two categories: Fixed Differential Pressure Switches and Adjustable Differential Pressure Switches.
 In any application when the potential free contact is required as soon as the pressure in process exceeds desired pressure limit (either on rising side or on falling side). Fixed Differential Pressure switches are used. Such switches are available in Vacuum ranges also.
In some applications the pressure in the vessel has to be controlled between two limits higher and lower. The switch which has a facility to set the gap between higher set value and lower set value, Such type of pressure switches are known as Adjustable differential type pressure switches.
We have both the type of switches available in pressure range 15 mmwc to 600 bar) and vacuum range (50 mmWc upto 760 mmHg vacuum). All these switches are available in IP 40, IP 54, IP 65 or flameproof enclosure. These pressure switches and vacuum switches we can provide in Aluminium, Brass and SS pressure housing and Teflon/Neoprene diaphragm. Pressure Switches can be provided with contact parts as per process requirements. Pressure Switches and Vacuum Switches can be provided with Diaphragm Seals and Remote Diaphragm seals also. Repeat Accuracy of our pressure switches and vacuum switches is better than 1% FSR.
Vacuum Switches are mainly used for interlocks inVacuum based machines like wrapping, packing etc.

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Pressure Transmitter and Pressure Transducer
When output in terms of mA or mV if required in proportion to the pressure available in process vessel, Pressure Transmitters or Pressure Transducers are used. Pressure Transmitter and Pressure Transducers are normally available with SS 316 wetted parts for range from few mmWc up to 1000 bar in IP 65 or flameproof enclosure. These can be provided either blind type or, with Digital Readout. We provide then in accuracy of 1%, 0.5%, 0.25% as per customers requirement.

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Differential Pressure Gauges
Differential Pressure Gauges (DP gauges) works on different types of sensing elements. Bourden type DP Gauges, Diaphragm type DP Gauges or, Piston type DP Gauges. All these gauges are available with varieties of wetted parts like Aluminium, Brass, SS, Industrial Plastic or any special as per the specific requirement. Differential Pressure Gauges are available in Analogue or, Digital form and can be provided for DP range from 15 mmWc up to 70 bar with Higher Static Pressure up to 300 bar. Differential Pressure Gauges are mainly used in the application of Filters or any other type of filtration systems, HVAC and for flow measurement through Orifice plate.

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Differential Pressure Switches
Normally used in the applications where potential free contact is required when DP crosses the desired DP either on rising or on falling side. We provide this contact through Micro Switches or Reed Switches. DP Switches are available in wetted parts like Aluminium, Brass, SS, Industrial Plastic or any special as per process requirements. The DP switches are also available with Diaphragm Seals and Remote Diaphragm seals. Ranges available in Differential Pressure Switches are for 15 mmWc up to 70 bar with higher static pressure up to 300 bar. Differential Pressure Switches (DP Switches) are available in IP 40, IP 54, IP 65 and flameproof enclosures. Combination of DP gauge with switch also can be provided. DP Gauges can be provided in dial sizes like 50 mm, 65 mm, 80 mm, 100 mm and 150 mm.

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Flow Meters
It is considered to be one of the important parameter in process industry. Most of the process in the industry like Food, Chemical, Pharmaceutical, Petrochemical, Textile, Tile manufacturing, Automobile, Automation etc. depend upon the variation of the flow and are necessary to be indicated or controlled. Varieties of Instruments for fluid flow measurements are available. For different type of liquids and slurries. For conductive fluid (Electromagnetic Flow Meter), for clear water (Turbine Flow Meter, Rota Meter), for Oil, Diesel, Petrol applications (Positive Displacement Flow Meter i.e. PD Meter), Non-contact type flow measurement, essential in few Pharmaceutical industries (Ultrasonic Flow Meters). NK Instruments has also revolutionized in the field of electro-mechanical flow meters by introducing Floredo which is battery operated, digital indication of instantaneous flow rate as well as totalized flow (Rate of Flow with Totalizer) without any mounting restrictions with better accuracy compared to Rota meters or any of the water meters used in industries.

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Flow Switches
 For positive detection of fluid flow, Flow Switches are used. Flow Switches are available for liquids & Gases like, water, kerosene, lubricating oils, air etc. Flow Switches are used to ensure availability of desired flow or no flow in your system in order to prevent or to control any disaster in the industry. Magnetically or Micro Switch operated flow switches are available from 6 mm line size. Magnetically operated Flow Switches (Blind Flow Switches, Flow Indicating Switches) are normally used for low flow capacities max. up to 150 LPM. Micro Switch operated Paddle Type Flow Switches are an ideal solution for higher flow rates and bigger line sizes.

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Level Switches
According to the type of applications, varieties of level switches can be provided.  For different types of clear liquids Float type Level Switches or Capacitance type Level Switches, for conductive liquids Conductivity type Level Switches are used. For dry powders and pallets Rotating Paddle type Level Switch or, Vibrating Fork type Level Switches are recommended. RF Admittance Level Switches can be used for dry powders, pallets as well as slurries & pastes. In pharmaceutical Industries and Effluent Treatment plants only Non Contact type Level Switches are allowed. In such applications Ultrasonic Level Switches can be used. Level switches can be provided either side mounted or top mounted. Wetted parts in Level Switches are in Industrial Plastic, PVDF, Teflon, SS 316 or any special as per the customer’s requirement.

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Level Gauges, Level Indicators & Level Transmitters
For different types of applications, specific type of Level Measuring Instruments is used. For liquid Level Indication by Mechanical device, Tubular Glass, Follower type Level Indicator, Bi-color Level Indicators or, float & board type level indicators are used. These Level Instruments can also be provided with preset or, factory settable Level Switches. Float type Level Transmitter (Float type Level Indicators) are used where 4 to 20 mA out put is essential or, level indication is required in Digital display. For non contact type Level measurement Ultrasonic or, Radar type Level Transmitters (Level Indicators) are used.

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Conductivity Meters
 For online detection and control of conductivity of fluid in any process industry Conductivity Meters or TDS meters are used. Normally the range required is from 2 to 2000 micro siemens.
            On-line conductivity indicators with IP-65 plastic enclosure for corrosive or dusty atmosphere as well as Panel mounted controllers for automatic activation of Pumps or alarms with settable relay are available. Applications related to Pharmaceutical as well as cleaning of insulators in power stations.
NK Instruments has availability of not only these but the instruments like Pneumatic Proximity Switches, pH meters and many other Process Control Instruments. Our customers are satisfied as they get all varieties of process control instruments available under one roof. The repeat orders always prove the satisfaction of the clients. We offer perfect solutions to client’s process control expectations. With proper co-ordination and communication we also arrange for perfect solution and fast availability of our instruments & solutions.

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Density Meters
Density is a very critical parameter in many industrial processes. It can be measured either manual or, online methods. In manual measurement systems, each sample has to be put in the measuring bowl to take the reading of Density. But in case of On line Density Measurement we can pass the fluid through the density meter and the density would be indicated instantaneously. Non contact type on line Density meters working on gama rays are also available, which are normally used for slurries, sewage and liquids with highly sensitive, accurate real time o-line measurement of Density. The density meters are mainly used when variations in density of the products affects the product quality or, its commercial value. The industries like petrochemicals, Pharmaceutical and food industries mainly requires the online density measuring instruments. These instruments are designed to withstand industrial environments while continuously monitoring liquid composition in flowing streams, ranging up to 2.5 kg/m3. Transmitters with accurately dependable and highly repetitive can also be given for control purposes.

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Temperature Gauges & Indicators
Temperature is probably the most fundamental parameter and is widely used to measure the industrial variable. There are various types of temperature gauges & Indicators such as Bi-metal temperature gauge, Mercury filled temperature gauge (Rigid stem type), Mercury filled temperature gauge (capillary type), Digital temperature Indicators (using the Pt-100 or, RTD sensor). The temperature ranges covered here is from -38 degree C. to 600 degree C. with different mounting styles, and process connections 3/8”, ˝” BSP and NPT threads.

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Temperature Switches
To control the temperature in the process, Temperature Switches are used. Types of Temperature Switches are either Mercury Filled blind Temperature Switches or, Electrical contact type temperature gauges. In Electrical Contact Temperature Gauges indication of Temperature as well as switching contacts are provided. Electrical Contact Gauges are available with capillary (up to 8 meters in copper, PVS and SS 316) also.

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Proximity Switch
In order to sense the presence of material moving through a conveyer Proximity switches with electrical signal through change over contact are used. There are two types of Proximity Switches, one which works on Light rays and the another which works on back pressure. In Pneumatic Proximity Switches the switch actuates on the back pressure developed by the air jet impact on the object such as dimensioning, positioning, and working surfaces. The distance sensed by this switch is generally dependent on the profile of the surface. This typically being 0.01 to 0.15mm.

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Pressure & Vacuum  |  Differential Pressure  |  Temperature  |  Level | Flow & Velocity  |  Conductivity & PPM  |  Density
Tailor Made Instrumentation |  System Automation |
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