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Description
Standard liquid level sensor. The sensor has to be mounted vertically for best results. Two versions are available:
PP (Polypropylene) for water applications and dilute acids.
PA (Polyamide) for use in oil, gasoline (petrol) and brake fluid.
The standard termination is a PVC cable with a cross section of 0.14 mm2 and a length of 500 mm. The cable can be modified on request.
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HVAC Series Condensate Level Switches
Plastic Float Level switch consists of a magnetic float, unit stem with magnetic reed switch, the magnetic float moves with liquid level to actuate a hermetically sealed magnetic switch within the unit stem. The level switches usually used for high or low alarm vessels. Multi-point level switches, the design is according to customers' specifications.
Advantage
Good look and smart design
Products are CQC, CE , UL approved and ISO9001-2000 is certified
High temperatures up to 105 degrre C
Switches are tested 100 precent before shipping
Switch mode N.C. or N.O. is selectable
Variety float ball dimension is selectable for broad media compatibility
By inverting the float 180 the switch contact state can be changed from Normal close to Normal Open
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Where fluids must be stored or handled the Barksdale 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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Closed : float at the top - Open : float at the bottom
Closed : float at the bottom - Open : float at the top
PRODUCT REFERENCE
PTF01070
PTFA2015
PTFA3015
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Bernstein designs and manufactures a modular system of float switches which can be combined and configured to create a switch that ideally meets customer specifications.
Float switches provide a reliable and cost-effective acquisition of level information in containers with stagnant or flowing liquids, such as water, oils, alkaline solutions and similar substances.
A float switch comprises a connector element, a switching tube with 1 to 4 reed contacts and the float. The float is equipped with an integrated ring magnet and rises and falls with the level of the fluid. The magnetised contact reeds trigger a signal as soon as the float reaches the sensing range of the reed contact.
The range of Bernstein float switches ranges from miniature versions to heavy-duty and pressure-resistant versions.
The particular advantage of these float switches is, that the switching contact can directly – when furnished with the proper protection – switch loads, e. g. relays, signal lamps or even small pumps.
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Minimal dimensions
Length up to 1'200 mm
Removable without disassembling of reservoir cover
Various types available with 1 or 2 level
contacts and additional temperature switch
Temperature contact up to 90° C
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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 tank top.
Various mounting configurations are available and a variety of wire terminations, custom lead lengths, cable jackets and connectors 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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Float switches for monitoring the level of liquid media
SR 10
Characteristics:
simple to install
practical and inexpensive solution
maintenance-free
control elements: reed contacts
Electrical connection: Connecting box , coupler plug or cable
IP66 protection
Temperature range: -30°C to 150°C
standardized and customer-specific designs
Areas of application
IMB float switches are based on the float principle with small reed contacts for every level to be monitored. They are suitable for virtually all liquids and are mainly used for level controlling and monitoring:
plant engineering, machine construction, chemical industrie, biochemical industrie, petrochemical industrie, liquid natural gas, off-shore, power plants, ship-building, food industrie, pharmaceutics etc.
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- Standard items float technology
- Materials, Brass, ST. Steel, PVC, PPL, PVDF
- 1/8"-3/8" process connection
- Max pressure up to 50 bar (see data sheet)
- Max temperature 130°C (see data sheet)
- Constructions for 180°C on request
- Reed switch SPST or SPDT
- Cable wiring
- Protection class IP65
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These switches are used to monitor liquid levels by opening or closing when a desired action point is reached. A variety of types are available using mercury and non-mercury tilt switches and, also, permanent magnets and reed switches. Common applications include sumps, pump-control systems, bilge pumps, below ground vaults and irrigation systems
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LL SERIES REFRIGERANT FLOAT SWITCHES
This float controlled, magnetically actuated, mechanically operated, HERMETICALLY SEALED switch assembly can maintain close control of liquid level. The rugged construction makes it relatively insensitive to disturbances of the refrigeration system or vibration of the attached pipelines. The electrical switch, which is fused, and the operating mechanism are encapsulated within a transparent housing, which HERMETICALLY SEALS the moving parts and switch from ambient conditions and yet allows observation of the switching motion for determination of the liquid level. Type LLC, LLSC, LLAC are U.L. Listed for outdoor service. Types LLX, LLXS, or LLAX are not fused.
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level sensors
- potential-free
- robust and wearless
- high repeat accuracy
- selectable tube length up to 2m
- free selectable number and position of switch-points
- acid-proof versions available
- plug or cable connection
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Function possibilities
- Level switch functions
- Temperature switch functions
- PT-100 / PT-500 / PT-1000 combination
- Interface measurement
- Up to 250°C working temperature
- Up to 175 bar working pressure
- Sanitary applications
- With test switch function
- Flexible tubes available
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For liquids
Contact max. 4 reed switches
Connection G 1/8...G 2 male, flange: DN50..DN125
Material brass, st. st., PVC-U, PP, PTFE
Max. pressure 100 bar
Max.temperature 150°C
Liquid density from 0,5 g/ml on
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Liquid Level Switches
For over 30 years Orange Research has enjoyed the respect of industry as a supplier of high quality process control instruments. It started with our differential pressure gauges and switches, and soon moved to flow meters and flow switches. We now are pleased to offer this new line of low cost liquid level float switches.
Whether your needs are vertical or horizontal liquid level switches we have the solution. Choose from a wide variety of materials, from stainless steel to polypropylene. We offer many size and shape liquid level switches that meet the most common level measurements. We also offer special materials and designs to meet more uncommon requirements.
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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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- Approval C.E.S.I. ATEX II 1G EEx-d IIC T6
- 1 to 6 switch points
- Lenght up to 6 mt.
- Materials: Brass, St. Steel, PVC, PPL, PVDF
- Max working pressure up to 50 bar
- Standard working temperature up to 105°C
- On request max temperature up to 180°C
- Protection class IP65
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LEVEL SWITCHES
The Level Switches Serial W is the top line for boilers automation, it has seven models, depending on maximum operational pressure and assembly charactiristics.
BW - 249: up to 17 atm
BW - 126: up to 12 atm
BW - 251: up to 18 atm
W - 126: up to 12 atm
W - 251: up to 18 atm
W - 291: up to 22 atm
W - 601: up to 42 atm
29 CC: up to 12 atm
31 CC: up to 12 atm
CHARACTERISTICS
The W Serial combines the floating operational principle, with the safety of the magnetic assembly.
Made in welded steel or steel melting(W-291, W-601) with A-53 Gr.B material,welded container with procedure and operartor certified by RFO (ASME IX)
With binded containers for a quick and easy access to floating, it is possible to chack, clean and maintain.
It´s use allows the automation of baoilers and tanks, since they are equipped with up to three ewitch mechanisms (depending on the model).
Adding a dissipating extension it allows to operate with a temperature up to 303°C (depending on the model).
All wet parts of the switch are made with stainless steel AISI 316.
USE
- Steam Boilers
- Water Boilers
- Digesters
- Tanks of Condensed
- Feed Tanks
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Livellostato magnetic model MEC S
it is indicated in the applications with presence of morchie, covering products, foam, since the fulcrum point does not turn out interested from the process liquid.
Installed to the previewed point of threshold, it carries out high function ON/OFF or low level and the remote signalling of the attainment of the level, concurring the complete putting in automatic rifle of the management of tanks or systems of control, also in pressure.
It is settled directly on the flank of the tank.
It can be supplied with device for the control in field of the operation (you see Mec T).
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Particularly reservoirs located under floor level or in pits need for the visual surveillance of the liquid level devices that can be installed on top of the tank. The NS-OM range provides a visual indicator directly coupled to a float inside the tank. In addition to the optical indication, electrical signals are available. These come, depending on the version, either from internally or externally located contacts or continuously operating analogue displacers.
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Due to specific 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 measurement solution possible. In exceptional cases where this is not possible, you can rely on the comprehensive development expertise of elobau.
Define your optimal solution with the new online assembly system at www.elobau.com.
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The wider displacement L500 multi-level switch for larger tanks monitors up to eight independent levels in a single device. Available in lengths up to 15 feet, these sensors are individually designed for your application from over 1400 possible combinations of floats, mounts, and material options.
With only a single entry, the L500 can track changing levels within the tank as well as monitoring liquid interfaces of dissimilar liquids in a single tank like oil water separations, chemical emulsions or condensation levels. These sensors can also be equipped with a wide variety of enclosures and thermostatic switches to provide level and temperature control in a single control.
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SMD Fluid Controls is focused on providing customized float switches and liquid level sensors at the costs of others standard products.
Click "More info" below, select the desired part and "Configure" your own part and we will be sure to give you quick and personal response. It's That Easy !
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Solenoids work dead and react to a permanent magnet. The special characteristics are characterised by large switching distances and outstanding price achievement relationship.
Function possibilities
- Large selection of materials
- Single switch functions
- Active switch-distances up to 60 mm
- Simple installation
- Needs no current supply
- Up to 250°C woring temperature
- Switching function normaly open and change over contacts
- Maintenance free
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