Horizontal Float Level Switches

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Horizontal Float Level Switches
Horizontal or Vertical
High or low alarm switches of robust contruction, making them ideal for a wide range of liquids in industrial applications.
Dirty Liquid Applications
The shrouded model should be specified thus eliminating fouling of the float movement due to deposits or large particles becoming wedged.
Submersion
For those applications where the equipment may be subjected to occasional or continuous submersion, the submersible model should be specified.
Viscous or Corrosive Liquids
Cranked Arm float units should be specified to enable the operating mechanism to be kept clear of the liquid. Rod extensions shaped to individual requirements are available to fit all Mobrey level switches.
Hoseproof Marine Applications
Switches have been specifically designed for the requirements of these markets and approval authorities.
Float Chambers
Float chambers are used to facilitate the external mounting of a Mobrey magnetic level switch onto a tank or pressure vessel, particularly where space inside the vessel is restricted or where control must be isolated for routine maintenance whilst the plant is still in operation. A wide range of cast or fabricated chambers are available. Process connections may be specified top and bottom or side and side, and can be flanged, screwed or butt welded in a choice of sizes to suit most plant applications.

• Features
• Simple, rugged and reliable
• Side or top mounting
• Direct or chamber mounting
• Full range of flange mountings
• Variety of switch mechanisms
• Electrical or pneumatic switching
• Weatherproof to IP66/IP68
• Materials of construction to suit most liquids
• Hazardous area models
• Most models carry international approvals

• Applications
• Suitable for use in all industries
• Alarm and shutdown duties
• Pump control
• High and low level alarms
• Suitable for use in I.S. circuits
• Water condensate detection
• Boiler house
• Oil tank farms
• Coolant pumps
• Generator
• HP and LP heaters
• Bilge level alarm

• Benefits
• Simple and proven design
• Operates in most liquids
• Glandless for maximum safety and minimum maintenance
• Long and trouble free operation
• Low cost of ownership

 

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Level Solutions Capability

Level Solutions Capability

Continuous Liquid Level Measurement and Control
Accurate liquid level and contents data is vital in the process industries where inventories, batching and process efficiency are critical measurements.
Mobrey has a complete range of continuous liquid level control products and technologies including ultrasonic non-contact, microwave radar, hydrostatic, displacer & submersible level transmitters, and self powered contents & magnetic level gauges with outputs including 4-20mA, HART, fieldbus communications and local relay control.

http://www.mobrey.com/products/level/continuous/index.php
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Point Liquid Level Detection
Reliable liquid level detection for high and low alarm or pump control is essential in industry. Overflows can be both dangerous and costly, while empty vessels lead to pumps or downstream processes running dry.
It is important to select a level switch to suit the application, which is why Mobrey offers a choice of technologies and products, including the original Mobrey float operated liquid level switches, vibrating fork liquid level switches and ultrasonic gap sensors and switches.
http://www.mobrey.com/products/level/point/index.php
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Solids & Dry Products Level Capability
The measurement and control of dry products is important in all industries, from mining through to fine chemicals. Such is the diversity of product to be measured that no single instrument is capable of reliable operation in all materials.
Mobrey offers a range of technologies to ensure that users are able to select the most appropriate instrument for the application including an RF capacitance switch, a paddle level switch, an ultrasonic non-contact solids measurement level transmitter and a vibrating rod dry products level switch.
http://www.mobrey.com/products/level/solids/index.php
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M-Switch Small Float Level Switch

M-Switch Small Float Level Switch

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M-Switch Small Float Level Switch
Manufactured in 316 stainless steel throughout, the M-Switch small float level switch is available for side mounting with either a flange or 50mm/2" thread.
Comprising a small float on the wet side and a body containing a high current micro-switch on the dry side, the Mobrey M-Switch small float level switch will reliably detect liquid level to give a voltage free contact operation for alarm signalling or as part of a pump control system.​

• Features​
• Tough industrial build quality​
• 316 stainless steel contruction​
• Flanged or threaded mounting​
• Small in-tank dimensions​

• Applications​
• Low level alarms in lubricating oils and fuels​
• Pump control duty in header tanks​
• High and low alarms in condensate tanks​
• Level and pump control in storage tanks​

• Benefits​
• Simple and proven design​
• Operates in most liquids​
• Glandless for maximum safety and minimum maintenance​
• European Directive compliance​
• ATEX EExd flameproof model​

 

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Vertical Float Level Switches

Vertical Float Level Switches

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Vertical Float Level Switches
The vertical float level switch from Mobrey carries a stainless steel sheathed permanent magnet which rises and falls in the glandless pressure tube with changing liquid level.
Switching is achieved with the unique Mobrey "3-magnet" system, giving snap-action "latch-on" switching. A switch mechanism is mounted inside the enclosure adjacent to the pressure tube. Vertical movement of the float magnet in the pressure tube simultaneously actuates the secondary and tertiary magnets in the switch mechanism to operate the contacts.
The "3-magnet" system enables the float magnet to pass on and actuate switch mechanisms at other levels. Switch mechanisms already actuated cannot re-set until the return of the primary magnet actuates the magnet system once again.​

• Features​
• Up to 4 switch points available​
• Flanged or chamber mounted​
• Weatherproof to IP66/67​
• Approved by many leading authorities​
• Hazardous area models​

• Applications​
• Alarm & shutdown duties​
• Sump level control​
• High pressures/low S.G.​
• Large switching differential for pump control​

• Benefits​
• Simple and proven design​
• Operates in most liquids​
• Glandless for maximum safety & minimum maintenance​
• Long and trouble free operation​
• Low cost of ownership​

 

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Squing 2 Vibrating Fork Point Level Switch

Squing 2 Vibrating Fork Point Level Switch

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The Squing 2 is a vibrating fork point liquid level switch designed using the principle of a tuning fork. By using piezo-crystals the Squing 2 fork is forced to resonate constantly at its natural frequency.
When the Squing 2 vibrating fork switch is installed as a high alarm, a rising liquid will come into contact with the forks and dampen them, changing their natural resonant frequency; From this the electronics make the output of Squing 2 change. Or, when installing the Squing 2 as a low alarm the fork is normally submerged; as your liquid lowers past the fork there is a change in their frequency and again the electronics make the output change.
Using short fork technology pioneered by Mobrey and many years of application experience, the Squing 2 vibrating fork point liquid level switch is designed for use in virtually all applications.​

• Features​
• 316L stainless steel as standard​
• Hastelloy C wetside option​
• Resistant to plant vibration​
• Plastic or 316SS housing options​
• Operating temperature of 150°C/300°F and pressure to 100 bar g/1450 PSI​
• Choice of threads and flanges​
• No mechanical moving parts​
• Externally visible "heart-beat" LED​
• Magnetic test point on side of housing​

• Applications​
• Water ingress detection​
• Overfill protection​
• Limit detection​
• Pipe installation (pump protection)​
• High and low level alarm​
• Hygienic applications​
• Oil tank farms​
• Fine chemicals and pharmaceuticals​

• Benefits​
• Maintenance free​
• Short fork technology​
• Versatile switch outputs​
• Intrinsically safe​
• Explosion proof​
• ATEX & FM approved​

I.S. Squing 2 with SIL2 rating
SIL ratings are being established for many instrumentation products in response to requests from users and integrators who are increasingly requiring sensors for use in Safety Related Systems.
BS EN61508 offers guidance on the safety system as a whole, being for providers of entire systems that in basic form will comprise a sensor, some form of control and an actuator. Those who provide such systems are termed Safety System Integrators. Mobrey, as a component supplier, supply Safety Subsytems.
The Intrinsically Safe version of the Squing 2 has been assessed and rated SIL2 for use as a Type B Safety Related Subsystem in accordance with BS EN61508.
The I.S. Squing 2, which already carries Overfilling Approval, is used together with a Namur Barrier to provide a high level of failsafety when used in a high level application.​

 

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Mini Squing Vibrating Fork Point Level Switch

Mini Squing Vibrating Fork Point Level Switch

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Mini Squing Vibrating Fork Point Level Switch
Mini Squing, the latest generation vibrating fork liquid level switch from Mobrey is small, light, robust and easy to install. It comes complete with an on-board microprocessor, self-monitoring and fail-safe functions and it costs significantly less than previous switches of this kind.
Simple threaded mounting and minimal vessel intrusion make the Mini Squing vibrating fork point level switch the cost effective solution to level switching.
Operating up to 150°C/300°F and 100 bar g/1450 PSI, applications from overfilling prevention to pump control and protection are reliably satisfied.​

• Features​
• Compact size​
• Short fork technology​
• Stainless steel body and forks​
• Multi-voltage (24-240)​
• Status indicating LED​
• 1"/1¾" NPT thread mounting​
• Hygienic models with polished forks and Tri-Clamp connection​

• Applications​
• Overfill protection​
• Pump protection​
• High level alarm​
• Leak detection​
• Pump control​

• Benefits​
• Low cost​
• Easy to install - Connect direct to PLC​
• Connect direct to PLC or direct load switching​

 

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003 Ultrasonic Liquid Level Switch

003 Ultrasonic Liquid Level Switch

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003 Ultrasonic Liquid Level Switch
Manufactured in Polyphenylene Sulphide (PPS) for corrosion resistance in most liquids, the 003 range of ultrasonic liquid level switches can be mounted in any position in a tank using either a 25mm/1" or 19mm/¾" thread available in BSPP, BSPT and NPT thread forms. A thread is provided on each side of a hexagonal boss to allow either external or internal / pole mounting of the sensor. Comprising a one piece moulded body with an integral pcb, the 003 switch is factory sealed and supplied with a 3m/10ft flying lead for customer connection.
The Mobrey 003 ultrasonic liquid level switch is designed for high or low level alarm duties to give a voltage free contact or solid state transistor output for alarm signalling or as part of a pump control system.
The 003 ultrasonic sensor may be mounted at any angle in the vessel.​

• Features​
• Relay or solid-state output​
• Corrosion resistant PPS construction​
• 25mm/1" or 19mm/¾" threaded mounting​
• Small in-tank dimensions​
• 24V ac or dc powered​
• Lightweight​

• Applications​
• Low level alarms in header tanks​
• Pump control duty in feeder tanks​
• High and low alarms in storage tanks​
• Level and pump control in storage tanks​
• Small or thin wall tanks​
• Bund level detection​
• Steering gear oil​

• Benefits​
• Self contained liquid level alarm​
• No moving parts​
• European Directive compliance​

 

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Squitch 2 Ultrasonic Liquid Level Switch

Squitch 2 Ultrasonic Liquid Level Switch

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The Squitch 2 range of ultrasonic point liquid level switches offers more than just simple liquid level detection.
The Squitch 2 is an ultrasonic gap sensor designed for switching in clean liquids. A 316 stainless steel wetside allows use in a wide range of liquids. Mounting is by a 25mm/1" thread, with extended length versions available for top of vessel mounting.
Squitch 2 is available with a wide variety of mounting options including threads, flanges and hygienic couplings.​

• Features​
• Simple 2-wire installation​
• 316 stainless steel wetted parts​
• Works in most clean liquids​
• LED status indicator​
• No moving parts​
• Hygienic models available​
• May be interfaced directly to a PLC​

• Applications​
• Level detection in a wide variety of industries including:
  - Vegetable oil refineries
  - Confectionery
  - Breweries
  - Food machinery
  - Pharmaceutical plant​

• Benefits​
• Low cost​
• Easy to maintain​
• Simple to install​
• May be mounted in pipes for low cost installation​
• Low level failsafe​

 

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