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28.02.2008 Vouvry (Switzerland): A lot of process driver applications need to react to level detection. In order to offer an easy way to trigger a signal as an input for a PLC SUPPLIER or even switch power directly once a certain liquid level is reached, Microprecision electronics added a floater manufacturers of actuator to its successful V3 size MP300 switch series.
A floating polypropylene ball of 50 mm diameter is mounted on a stainless steel lever actuator. Designed for a working temperature of 100°C, short term up to 120°C, this solution also shows a good chemical resistance.
The floater activates a MP320 switch wired as a change over or just simply NO or NC. The switch itself is IP67 sealed and has a power rating of 250 VAC / 6A under EN61058, with an operating temperature range which can go up to 200°C. The switch can be equipped with PUR, SI or PVC cable of any length.
Microprecision Electronics SA is a Swiss manufacturer of standard and custom made mechanical switches for industrial applications.
For further information contact: info@microprecision.ch |
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| Where fluids must be stored or handled the Barksdale supplier of level switches with their large variety from a simple com-pact switch to multi level stations with lengths up to three meters are a logic choice (longer on request). |
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| Due to specific professional tank layouts and the variety of media available in the pharmaceutical, chemical and automotive industry, a wide product range is required to ensure that all requirements can be met. A comprehensive modular system enables you to configure almost any level metering solution possible. In exceptional cases where this is not possible, you can rely on the comprehensive development expertise of elobau. |
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Buy plastic float switches below $5.00!
Our FS01- is an economical choice for many general applications.
Polypropylene Float Switches offer an economical solution for general applications and are also good for many acids where chemical resistance is important.
Nylon Float Switches with Buna-N Float are ideal for petroleum oils and other fuel applications. This highly bouyant float switch is designed to be used in fluids with specific gravity of .5 or higher.
View the SMD "Application Notes" to check chemical compatability and specific gravity for your fluid. |
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BIP STOP VR ECO
By connecting it directly to the pump, this float level switch makes start and stop the pump.
110° switching angle that prevents excessive jerking of the pump's engine.
Biconical cover which avoids any risk of clogging. |
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The single unit or multiple reed switch units arehoused tightly in stainless steel or engineeringplastic stem, and the permanent magnetic issealed into the middle of the specified float ball(s). You can mount the float ball to penetrating through the stem, then the liquid buoyancy will deliver the float ball up and down at the specified position by graduating rings.
When the float internal magnet approaches the reed switch, it will actuate the reed switch contact point to create an open or close circuit. We can apply such on-off output signals to reach liquid level controlling and monitoring purpose.
The figures below show the float orientations on N.O. (Normal Open) and N.C. (Normal Close).
Features
Multiple points measuring, multiple level points are available for custom-built.
It is used the magnet to actuate the reed switch without any extra electric power source.
Each reed switch is durable for operation life reaching 2 million times.
All output signal wiring are simplified in same junction box (housing) to economize the external wiring construction.
FC(D) type magnetic float level switches are more economical in budget than other suppliers of level switches by comparison in multiple points.
The housing protection rating up to IP65.
Rugged construction and multiple options for materials from engineering plastics as PVDF, PP, PVC, and stainless steels as SUS304, SUS316, float switches can be applied to versatile applications in chemical corrosion of acidity and alkalinity liquid, solvents or oil fuels.
The reed switch and lead wire are isolated absolutely with liquids. All stainless steel switches are applicable to high pressure andhigh temperature performances. |
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Soba HR HY
Recommended to perform multilevel regulation in highly corrosive liquid mixtures (hydrocarbons, oil, solvents, waste water, etc.). |
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- IP65
- Side mounting type
- Thread connection: 1.5"~3"
- Wetted parts material: 316SS
- Micro switch: 3A/250 VAC 5A/30VDC 0.4A/125VDC
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Device designed to control the water level into pressurized or non-pressurized tanks.
- Fitted by two electric deviation switches, fast and non-vibration type with silver-plated contacts: one operating on the minimum level and the other one on the maximum level.
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Bulletin 840 Automatic Manufacturer of float switches are heavy duty horsepower or control circuit rated devices which can be used to control and monitor liquid levels in a professional tank or sump. As the liquid level rises or falls in a sump or tank, at a preset level the professional switch can either start a motor to adjust the liquid level or activate a circuit to turn on a light or sound an alarm. Bulletin 840 Float Switches are designed for long life and heavy duty operation. They are offered in five different styles with many different float operator assemblies.
Bulletin 840 Automatic Float Switches:
Liquid Level Sensitivity From 2 to 5 Inches
0.6 to 3.8 lbs Switch Operating Force
2 or 3 Pole Contact Configurations
Tank to Sump Convertibility
NEMA A600 and NEMA N300 Contact Ratings
Type 1, Type 4, and Type 7 & 9 Enclosures
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- LS Series
LIquid manufacturer of level sensor in a wide range of materials, switching and professional fitting options. With UL & WRAS models.
- LCS Series
Push fit external mounted liquid level sensor, with cable or with integral manufacturer of connector.
- LDS Series
Liquid level sensor with a close differential between operate and release, for sensing small change in the liquid level.
- RS Series
LIquid level sensor vertical travel float is suitable for internal and external fit - ideal for the tight corner of the tank. |
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- Simple type
- Reedswitch type
- Material: 316SS, P.V.C., P.P.
- PVDF available
- Switch setting point: Max 4 point
- Float size: ¢ 28~¢ 75 |
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Float switch made of high-grade steel or plastic in different versions
Characteristics:
- simple installation
- low-priced
- maintenance-free
- Reed switches as logic elements
- Electrical connection: Housing, plug or
Kabelausgang
- standardized and customized remarks
By their robust and maintenance-free construction they are suitable for nearly all liquids and can be used among other things within the following industrial ranges:
Equipment construction, mechanical engineering,
Chemistry, biochemistry, foodstuffs industry, pharmacy
Natural gas, energy installations, power stations, offshore ones,
Petrochemie, shipbuilding etc.
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PNEUMATIC LIQUID LEVEL CONTROL
Warren Rupp’s float actuated liquid level control provide all-pneumatic operation. Especially useful in sump and liquid transfer situations, the float actuated switch opens and closes professional air supply to the pump for positive ON-OFF response. High capacity air cock accommodates air flow requirements up to 125 cfm, with a pressure drop less than 10 psi. |
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Elettrotec float level switches are designed to meet a complete range of application requirements. Available in brass and NBR float, stainless steel or PVC to detect the level of dissimilar liquids such as water, oil, solvents and acids.
According to the different models Elettrotec switches have to be mounted vertical from professional tank top.
Various mounting configurations are available and a variety of wire terminations, custom lead lengths, cable jackets and connectors manufacturer can be supplied on request.
Elettrotec switches are shipped Normally Closed (N/C) as a standard but switches in N/O and SPDT mode can also be ordered.
In addition to single point detectors, Elettrotec also offers multipoint products, customer kit-assembly, switches in explosion-proof execution (EExd IIC T6) and specifically approved for marine applications (RINA, LLlyd's Register, Germanischer Lloyd) |
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VEGAFLO SL1C is used with detection of level as liquids. An order of commutation on a predetermined level makes it possible to carry out the ordering of pumps of filling or of draining, to set off an alarm misses water, very high level, etc... There exist two versions with angle of overlap of 25° or 110°
VEGAFLO SP 1C is used with detection of high level as pulverulent or granulous solids. The typical applications are the order D `stop of filling of professional silos and other means of storage for pellets, flours, powders, etc... For the high level monitoring of products in explosive atmosphere dust (zone 20,21 or 22) such as e.g. of cereals, there exists the version e.g. Its special geometry flat-bottomed, allows D `to avoid any risk D `hiding even on products of weak density such as by ex: sunflower, oats, escourgeon. The angle of overlap is of +-20° compared to the vertical.
Advantages:
- Without maintenance
- Omnidirectional Operation
- Biconical Form avoiding the risks of clogging
- Compactness
- Ecological: without mercury and lead
- Approval ACS (option for liquids)
- Available with cable 5 or 10m
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| ... products without technical information |
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