VFS Series
Vertical Mounting Magnetic Float Level Switches
Vertical Float Switches are established and reliable
techniques in the industry for single/multiple liquid-level
sensing and control in open or pressurized vessels. It offers
trouble free service in conductive / non- conductive liquids
under widely varying temperatures, pressures, liquid viscosity
and corrosive conditions. Besides, it provides high
repeatability and effects of shocks / vibrations are minimal.
Applications
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Water / Wastewater treatment plants
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Cooling Towers, Lubrication / filtration systems
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Paint Shops
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Food / Drug / Pharmaceutical / Chemical & Petrochemical Industries
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Boilers
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Heat Exchangers
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Leak Detection Systems
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Process vessels etc.
Specifications
Enclosure
Cast Al., Weather-proof to IP 67, Ex-proof IP 66 to Gr. IIA, IIB & Gr.IIC, DIN Polyamide connector
Gland Connection
Brass, ¾” ET / ½” NPT/ M20 x I.5
Guided Stem MOC
SS316 / SS304 / Brass / SS316L / PP
Float MOC x Size
SS316 x Ø28, Ø30, Ø41, Ø45, Ø52, Ø63 : SS316L x Ø52 :
PU foam x Ø25, Ø35 : PP x Ø25, Ø46, PVDF x Ø48
Stem OD
Ø8, Ø12.7 in SS316 / SS304 / Brass / SS316L, Ø16 in PP
Operating Temperature
SS316 - float Ø52, Ø41 Up to 150°C, float Ø28, Ø30 Up to
100°C SS316L - float Ø52 up to 150°C , PU foam - float
Ø25, Ø35 Up to 60°C, PP float Ø 25, Ø46 up to 60°C,
PVDF: Ø48 up to 120°C.
Operating pressure max.
SS316 – float Ø52, Ø41 Up to 20Kg/cm2, float Ø28, Ø30
upto 8Kg/cm2, SS316L float dia. 52mm up to 40Kg/cm2,PU
foam - float Ø25, Ø35-Atmospheric, PP up to 5kg/cm2,
PVDF up to 5kg/cm2.
Min. specific gravity
0.65
No. of floats
Single / Multiple (Max. 4) (More available on request)
Process connections
Flanged / Threaded / Triclover Flange special constructions as
per application
Pre-set levels
1 to 4 (Factory set) (More available on request)
Switch type
Glass encapsulated hermetically sealed reed contacts
Switching capacity
SPST - 15VA / 100VA
SPDT - 3VA / 50VA
Differential
Fixed (10 ± 2mm)
Accuracy / Repeatability
± 2mm / ± 1mm
Load
Resistive / Inductive
Insulation
100 Mega-Ohms at 500 VDC
Special Features
Intrinsically safe to Ex ia, Gr. IIA, IIB
Diaphragm Seal Repair
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