'buoyancy force action'

Displacer controls offer alternative features to the float-operated control. The sensor is a weight (displacer), heavier than the liquid, that is suspended by a spring. When liquid contacts the displacer, a buoyancy force is produced, which causes the effective weight of the displacer to change. This causes the spring to retract slightly to a new equilibrium position. When the spring retracts, the attraction sleeve also moves upward into the field of the external magnet, thus overcoming the force of the bias spring and actuating the switching element.

Float level switches All float operated liquid level controls operate on the basic buoyancy principle which states "the buoyancy force action on an object is equal to the mass of liquid displaced by the object." As a result, floats ride on the liquid surface partially submerged and move the same distance the liquid level moves. Because of this, they are normally used for narrow level differential applications such as high level alarm or low level alarm.

NRG GLOBAL MAKE Displacer type level switches offers the industrial user a wide choice of alarm and control configuration. DLS works on a simple buoyancy principle and is well suited for simple or complex applications, such as forming surging liquids or agitated fluids, and usually costs less than other types of level switches. CONSTRUCTION & OPERATION Operation is based on simple buoyancy principle. As the liquid level rises and progressively immerses the displacer elements, the effective weight suspended on the spring reduces and the consequent length of the spring change is used to provide magnet movement and operate the switch. The spring movement causes the magnetic sleeve to attract a pivoted magnet actuating a switch mechanism located outside the barrier tube. Built-in limit stops, prevent over stroking under level surge conditions. FEATURES: • Wide choice of switching functions • Suitable for large tanks up to 15 meters • Site adjustable switch points • Customized for high temp, high pressure & vaccum applications. • Reliable performance in turbulent liquids even without still pipes. • Easy transportation of longer length switches. • Enclosure : Weather proof-IP-65 Ex-proof-Gr. IIA & IIB or IIC GENERAL SPECIFICATIONS: Enclosure : Cast ALUMINIUM, Weather Proof-IP 65, Cast AL Ex-proof Gr. IIA & IIB or IIC Conduit Connection : ¾ ” ET or ½” NPT Measuring Range : 200 mm~15000 mm Operating Differential : 40±5 mm / Adjustable / 65 ±5 mm Switch Type : Micro switch Switch Contacts : 2 SPDT (2 NO + 2 NC) @ 5A, 230 VAC (Resistive) Switch Action : Bistable Terminals : To suit 1.5 mm2 conductor Flexible Rope : SS304, SS316, PP, PTFE Displacer : SS304, SS316, PP, PTFE Spring Housing : SS316, PP, PTFE Spring Material : SS316, SS316L Process Connection Flanged : MS, SS304, SS316, PP (SS clad), PTFE (SS clad) Perforated still well : MS, SS304, SS316, PP (65 NB) External Cage : MS, SS304, SS316, PP (80 NB) Max. Temperature : 0-200°C (without cooling fins) 0-300°C (with cooling fins) (Contact factory for temperature more than 300°C) Max. Test Pressure : Vaccum to 40 Kg/cm2 (Contact factory for pressure more than 40 Kg/cm2) Min. Sp. Gravity : 0.7 (Contact factory for Sp. Gr. less than 0.7)

NRG GLOBAL MAKE side-mounted float level switch is suitable for liquid level control of open or bearing pressure container in industrial process. When the liquid level reaches to high or low limit, relay contact point can be as signal alarm device or the switch in electronic pump circuit. It is used in water treatment, petrochemical, furnace, shipyard etc. It is widely applicable in the condition of high viscosity, high pressure, high temperature because of it is flexible structure, and it can replace the UQK series products. Working principle To use of liquid buoyancy principle. When the floating ball due to buoyancy and moving up and down, the magnetic reed switch in the junction box will be action when it is influence by the arm end magnetic. The same principle is used in the micro switch device. To use of magnets and magnet micro switch arm end of mutual exclusion movement to push the micro switch action. Product purpose SM series float level switch is suitable for liquid level control of open or bearing pressure container in industrial process. When the liquid level reaches to high or low limit, relay contact point can be as signal alarm device or the switch in electronic pump circuit. Specification Application : Liquids Liquid Density : Above 0.5 – 2.0 Liquid Velocity : Upto 500 cp Design Pressure : Upto 40 Kg/cm² Design Temp : Upto 300°C Connection : Flanged to ASA/BS/DIN Screwed BSP/Screwed NPT Material : SS304/SS304L/SS316/SS316L/PP/HDPE/PVC/PVDF Lined/PTFE Lined Other Materials on request Switch Type : Micro, SDPT, DPDT Form : 1 NO+1NC / 2NO+2NC Rating : 5 Amp, 230 VAC OR 24 VDC Enclosure : W-Proof IP65 / Ex-Proof Additional Information: Production Capacity: 100 Delivery Time: WEEK Packaging Details: EXPORT WORTHY PACKING

NRG GLOBAL INSTRUMENTS MAKE Glass Tube Variable Area Flow Meters (Rotameters) are intended for general in line and ByPass metering applications (i.e. for Gas & Liquid) where operating conditions are with the limitations of Glass metering tubes. These are the principle of Variable Area. The float moves freely up and down tapered borosilicate glass with fluid flow from bottom to top. The float takes up a position where buoyancy forces and the float weight are balanced in proportion to flow rate. The Vertical position of the float as indicated by scale is the measure of the instantaneous flow rate. 2. Principal of Operation When fluid or gas flows through a taper tube containing a float, a pressure difference of P1 and P2 is created between upper and lower side of the float. The float moves upwards by a force obtained by multiplying the pressure differential by the maximum cross-sectional area of the float. Due to taper tube, as the float moves upwards, the fluid passing area increases as a result of which the differential pressure decreases. Upward movement of float stops when the dead load is dynamically balanced by the differential pressure.

1. PRODUCT DESCRIPTIONNRG GLOBAL INSTRUMENTS MAKE Glass Tube Variable Area Flow Meters (Rotameters) are intended for general in line and ByPass metering applications (i.e. for Gas & Liquid) where operating conditions are with the limitations of Glass metering tubes. These are the principle of Variable Area.The float moves freely up and down tapered borosilicate glass with fluid flow from bottom to top. The float takes up a position where buoyancy forces and the float weight are balanced in proportion to flow rate. The Vertical position of the float as indicated by scale is the measure of the instantaneous flow rate.2. PRINCIPAL OF OPERATIONWhen fluid or gas flows through a taper tube containing a float, a pressure difference of P1 and P2 is created between upper and lower side of the float. The float moves upwards by a force obtained by multiplying the pressure differential by the maximum cross-sectional area of the float. Due to taper tube, as the float moves upwards, the fluid passing area increases as a result of which the differential pressure decreases. Upward movement of float stops when the deadload is dynamically balanced by the differential pressure.

NRG GLOBAL MAKE side-mounted float level switch is suitable for liquid level control of open or bearing pressure container in industrial process. When the liquid level reaches to high or low limit, relay contact point can be as signal alarm device or the switch in electronic pump circuit. It is used in water treatment, petrochemical, furnace, shipyard etc. It is widely applicable in the condition of high viscosity, high pressure, high temperature because of it is flexible structure, and it can replace the UQK series products. Working principle To use of liquid buoyancy principle. When the floating ball due to buoyancy and moving up and down, the magnetic reed switch in the junction box will be action when it is influence by the arm end magnetic. The same principle is used in the micro switch device. To use of magnets and magnet micro switch arm end of mutual exclusion movement to push the micro switch action. Product purpose SM series float level switch is suitable for liquid level control of open or bearing pressure container in industrial process. When the liquid level reaches to high or low limit, relay contact point can be as signal alarm device or the switch in electronic pump circuit.

Nrg global Instruments make conductivity level sensor PRODUCT DETAILS Medium Temp : -20Deg C to 100 Dec C Special Version : Up to 200 Deg C Electronics : -25oC to +65oC Output : 1 sets of potential free c/o contacts rated at 5 amps, 230VAC for resistive loads per switch point Supply Voltage : 12-30 V Dc Mounting Connection : 1/2" Standard for Rod probe, others as per request and application MODELS : 1)Single Point 2) Multipoint up to 4 points NRG GLOBAL INSTRUMENTS is the leading Capacitance Level Switches manufacturer in India which provides the quality products to its customers. The best thing about our manufacturing is that it is completely focused on customer needs and satisfaction. NRG GLOBAL INSTRUMENTS is working hard to increase the reach of technology in every small area across the globe and at the least possible prices. We provide various switches and transmitter for particular usage. Amid all these, Capacitance Level Switch is used for liquid products.

NRG GLOBAL” make Magnetic Level Gauge provides clear, high clarity indication of liquid level. Magnetic Level Gauges are principally designed as an alternative to glass level gauges. NRG GLOBAL offers Magnetic Level Gauges in top-bottom, top and side mounted construction with two types of indicator system i.e. Capsule and Bi-colour Rollers. Magnetic Level Gauge is consists of three major components: Float Chamber, Float and Indicator System. Magnetic Level Gauge operates on the principle of magnetic field coupling to provide Fluid Level Information. Float chamber is typically constructed with nonmagnetic pipe having process Connections that matches to the vessel connections. Float size and weight is determined by the process fluid, pressure, temperature and the specific gravity of the process fluid. Float contains magnets to provide 360 ̊magnetic flux field. DESIGN FUTURE: Indicator system is consists of bi-colour rollers equipped with magnets mounted on rail inside the housing. As the level starts rising or falling magnetic float also travels with liquid level in non magnetic chamber. The magnetic interaction between magnets in float and bi-colour rollers causes each roller to rotate 180 ̊. We are providing high & low Level Switch adjustable. Additional Information: Item Code: SMMLKI-09 Production Capacity: 100 Delivery Time: EX STOCK Packaging Details: EXPORT WORTHY PACKING