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MULTIVIEW Magnetic Liquid Level Gages

Rugged, Versatile Options for a Wide Range of Applications

Penberthy MULTIVIEW Magnetic Liquid Level Gages can be built to serve practically any process industry situation. From the simplest operation to the most severe, corrosive environment, Penberthy can construct a system to best suit your companys requirements. As pioneers in magnetic gage level indication and as creators of the unique concentric magnet design, Penberthy has the expertise to know what design, specifications and options best fit any given application. Contact Anderson-Bolds to discuss specific duty requirements in your operation.

MULTIVIEW Magnetic Liquid Level Gages utilize a communicating chamber constructed of 2-1/2" pipe which is connected to the process tank with either side or end connections. A float with a self-enclosed magnet is custom sized and weighted to float at the surface of the process liquid to be monitored. The float is then installed in the communicating chamber. The industry-unique concentric magnet in MULTIVIEW gages provides a more consistent magnetic field than conventional magnet designs.

 

GO TO: Indicator Types Switch Types Applications Options Level Design Form

 

Indicator Types

Follower Style Indicator

In MG Follower-Type models, the unit consists of a hermetically-sealed tube in a protective view housing. Within this tube is a gold anodized aluminum follower which will mirror level changes in the process tank. This entire assembly is attached to the communicating chamber where the follower is magnetically coupled with the float. Because the follower and float are magnetically linked, liquid level changes in the process tank will cause both float and follower to rise and fall in unison. The result is a precise indication of the liquid level within the vessel.

Flag Style Indicator

MG Flag-Type monitors provide a more secure link between the indicator and float. The view housing is sealed and consists of a single column assembly of aluminum flags within an extruded aluminum channel. These flags are anodized with black on one side and gold on the other. Each flag houses a small magnet and is assembled on a single, individual axle. As the float in the communicating chamber rises and falls, the magnetic interaction between float and flag magnets cause the flags to rotate 180. These changes are shown through contrasting colors black above and gold below the liquid level.

To insure trouble-free operation, Penberthys flags are magnetically interlocked and utilize mechanical stops. This prevents over-rotation. Penberthys redundant axle system prevents binding, with each flag allowed to rotate on the axle and each axle free to rotate in the channel. This method of indication is always accurate, regardless of the speed of process level change or vibration.

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Switch Types

Style/P/N Type Ex-Proof Specs I/S Specs Temp Specs Electrical
MGT- 362 / 362B* / 362C* Transmitters Continuos Level Transmitters FM-Approved/
CSA-Certified Ex d
Explosion-Proof:
Division 1,2
Class I: Groups B,C,D
Class II: Groups E,F,G
Class III: Type 4

(When installed in accordance with Penberthy Drawing #18F51-009)

FM-Approved/

CSA-Certified Exi a

Intrinsically Safe:

Division 1,2

Class I: Groups A,B,C,D Class II: Groups E,F,G Class III: Type 4

When installed in accordance with Penberthy Drawing #18F52-009

-40 C to 70 C

(-40 F to 160 F) transmitter

-162 C to 125 C (-260 F to 257 F) sensor (unprotected)

MGT Transmitters provide continuous level indication to
remote locations via 4 to 20 mA loop-powered operation.
MGT- 366 / 367 Transmitter Continuous Level Transmitters FM-Approved/

CSA-Certified Ex d Explosion-Proof:

Division 1 Class I: Groups B,C,D

Class II: Groups E,F,G Class III: Type 4X

Not Available in I/S. -34 C to 70 C (-30 F to 160 F)

electronics -34 C to 149 C (-30 F to 300 F) sensor

MGT Transmitters provide continuous level indication to remote locations via 4 to 20 mA loop-powered operation.
MGS-314/314D* Point Level Switch FM-Approved/ CSA-Certified Ex d Explosion-Proof

Division 1,2

Class I: Groups B,C,D

Class II: Groups E,F,G

Class III: Type 4

(When installed in accordance with Penberthy Drawing #7E741-009)

FM-Approved/ CSA-Certified Exi a Intrinsically Safe

Division 1,2

Class I: Groups A,B,C,D

Class II: Groups E,F,G

Class III: Type 4

(When installed in accordance with Penberthy Drawing #7E742-009)

-40 C to 185 C (-40 F to 365 F) with third party approvals

-162 C to 340 C (-260 F to 645 F) without third party approvals

MGS-314: SPDT 5A service

MGS-314D: DPDT 10A service

MGS-314L*/314M* Point Level Switch FM-Approved/ CSA-Certified Ex d Explosion-Proof

Division 1,2

Class I: Groups B,C,D

Class II: Groups E,F,G

Class III: Type 4

(When installed in accordance with Penberthy Drawing #7E741-009)

FM-Approved/ CSA-Certified Exi a Intrinsically Safe

Division 1,2

Class I: Groups A,B,C,D

Class II: Groups E,F,G

Class III: Type 4

(When installed in accordance with Penberthy Drawing #7E742-009)

-40 C to 185 C (-40 F to 365 F) with third party approvals

-162 C to 340 C (-260 F to 645 F) without third party approvals

MGS-314L: SPDT 1A service used with standard MULTIVIEW

MGS-314M: SPDT 1A service used with either TMMG (Top Mount Magnetic Gage) or MMG (Mini Magnetic Gage)

MGS-314P A latching pneumatic point level switch Any Area as the MGS-314P is pneumatic. Any Area as the MGS-314P is pneumatic. -198 C to 232 C (-325 F to 450F) MGS-314P: A latching pneumatic switch
*Third party approvals pending          

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Applications

Sodium Hypochlorite

Boiler Feedwater Tank

Hydrochloric Acid

Stop Oil

LPG

Interface

Dowtherm

Sulfuric Acid

Hydrogen Sulfide

Oil/Water Separator

Sodium Hydroxide

Liquid Nitrogen

Flare Drums

Phosgene

Ammonia

Butane

Seal Oil Pots

Black Liquor

Drip Pot

Boiler Steam Drums

Glycol

Propane

Hydraulic Oil

Feedwater Heaters

Extreme Flashing

Hydrazine

Caustic Chemicals

Fuel Oil

Hydrofluoric Acid

Jet Fuel

Molten Sulfur

Sour Oil

Diesel Fuel

Deionized

Water Sumps

Freon

Liquid Ethylene

Water

Underground Storage

Benzene

Asphalt Settler

Acetic Acid

Liquids & Slurries

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Options

Sanitary MULTIVIEW To meet sanitary requirements necessary in the production of food, beverage, dairy, biomedical and pharmaceutical products and in other sanitary applications, Penberthy recommends the Sanitary MULTIVIEW. Designed to 3A standards, this system is constructed of standard 316L SS materials with other construction materials available. Fittings and clamps meet industry sanitary regulations and allow for quick disassembly and cleaning.
Explosion-Proof (XP) Illuminator To improve visibility in low-light environments, an Explosion-Proof Illuminator can be a valuable addition to many level monitoring situations. This option also works well when an insulation blanket is in use. The illuminator is UL-listed 644 for explosion-proof usage: Class 1 Groups B, C, D, 125/250 Vac, maximum 25 or 50 watts, depending on the length required.
Insulation Blankets Penberthy Insulation Blankets can withstand temperatures ranging from -300 F to 750 F (-184 C to 400 C). Flexible blankets are available in thicknesses of ?", 1" or 2". Materials available include fiberglass cloth coated with either PTFE Teflon or silicone rubber. Rigid blankets in thicknesses of 4" 12" are available in other materials on request.
Frost-Free Extensions In super-frigid applications such as liquid nitrogen or liquefied ethylene, Frost-Free Extensions should be utilized. Both types of monitoring systems can be equipped with PMMA frost-free features. This low-coefficient thermal transmitting material resists frost buildup to maintain clear visibility. With widths ranging from 2" to 12", these extensions can be paired with virtually any thickness of insulation blanket.
Thermal Tracing MULTIVIEW Magnetic Liquid Level Gages can be equipped with electrical heat tracing or piped for either refrigerant use or steam use. To determine the temperature differential, subtract the minimum expected ambient temperature from the desired maintenance temperature. An insulation blanket is highly recommended in cases such as these.
Drum Level Indicator Combining MULTIVIEW monitoring with an integrally-mounted armored gage, Penberthys Drum Level Indicator offers improved safety, convenience and versatility, meeting ASME Boiler Code, Section 1, Page 60 requirements for Water Level Indicators. By adding the MGS-314 switch and MGT-362 transmitter, remote level measurement transmission and precise control capability is possible.

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