SOR Level Switch, 200 Series
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200 Series Level Switch

Brand: SOR Inc
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The float rides on the process liquid surface, precisely tracking liquid surface motion. 

Rising liquid level lifts the float, sliding the attraction sleeve up inside the enclosing tube and into the magnetic field to actuate the electrical or pneumatic switch (signaling liquid presence).

Subsequently, falling liquid level lowers the float, drawing the attraction sleeve out of the magnetic field to deactuate the electrical or pneumatic switch (signaling liquid absence). 

Float-type level switches are generally able to handle high-temperature applications, and sometimes prove useful for close interface detection. 

Floats can operate up to two switching elements. Independent switching levels may be obtained with tandem floats.

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Specifications

Brand

Approvals & Certifications

  • 61508 for Non-Redundant: SIL 1 & SIL 2 Safety Instrumented Systems
  • Certificate of Calibration
  • Certificate of Conformance (Power Piping, ASME 31.1, 31.3)
  • Compliance/Conformance
  • Dielectric Test
  • Dye Penetration Testing
  • Hydrostatic Pressure Test
  • Inspection Certificate
  • Insulation Resistance
  • Magnetic Particle Examination
  • Mill Certificate
  • QA Test Report
  • Radiograph Examination
  • Ultrasonic Examination

Approvals & Certifications

  • ATEX
  • CE
  • CRN
  • CSA
  • EAC
  • Ex
  • IECEX
  • RTN
  • UL

Conduit Connection

  • 1/2” NPT
  • 3/4” NPT
  • M20 x 1.5

Electrical Connectors

  • Electrical / Pneumatic Connection: 1” NPT
  • Electrical / Pneumatic Connection: 1/4” NPT
  • Electrical / Pneumatic Connection: M20 x 1.5 Adapter

Electrical Contacts

  • Gold Contact

Electrical Rating

  • 1-15 A at 110-250 Vac, Resistive/Inductive
  • 1-15 A at 20-250 Vdc, Resistive/Inductive

Enclosure Finish

  • Housing Exterior: Fungicidal Varnish
  • Powder Epoxy Coated

Enclosure, Body Material

  • Switch (Extended, Pneumatic): Cast Iron
  • Valve (3-Way), Switch (Extended, Pneumatic): Aluminum

Environmental Protection

  • IP66
  • NEMA 4
  • NEMA 4X

Flange Size - 1-1/2” (DN 40)

  • 1-1/2” (DN 40) - 150#
  • 1-1/2” (DN 40) - 300#
  • 1-1/2” (DN 40) - 600#

Flange Size - 1” (DN 25)

  • 1” (DN 25) - 150#
  • 1” (DN 25) - 300#
  • 1” (DN 25) - 600#

Flange Size - 2” (DN 50)

  • 2” (DN 50) - 150#
  • 2” (DN 50) - 300#
  • 2” (DN 50) - 600#

Flange Type

  • Raised Face (RF)
  • Ring Joint Facing

Fluid Specific Gravity

  • 0.38 to 1.05

Gasket Material

  • 316 Stainless Steel wound around Grafoil
  • Nitrile Binder Composite

Humidity

  • < 85 %, Max.

Materials of Construction

  • Attraction Sleeve Material: 400 Stainless Steel
  • Chamber, Float, Displacer, Attraction Sleeve Material: 316 Stainless Steel
  • Chamber, Float, Displacer, Attraction Sleeve Material: 316L Stainless Steel
  • Chamber, Float, Displacer, Attraction Sleeve Material: Carbon Steel (A106B)
  • Float, Displacer, Attraction Sleeve Material: Monel 400
  • M20 Adapter: Brass

NACE & NIST

  • NACE

Name Plate, Tag Material

  • Stainless Steel
  • Fiber

NPT Connection

  • 1” NPT
  • 1-1/2” NPT
  • 2” NPT

O-Ring Material

  • Buna-N

Operating Pressure

  • psi: 1,250 (kPa: 8,620, bar: 86.2) - Max.

Power

  • 100 mW

Process Connection Material

  • 304 Stainless Steel
  • 304L Stainless Steel
  • 316 Stainless Steel
  • 316L Stainless Steel
  • Alloy 20 or Incoloy
  • Carbon Steel (A333 GR.6, A335-P11 Chrome Moly, A335-P9)
  • Hastelloy C
  • Monel 400

Sensor, Probe Style

  • Float

Switch Type

  • DPDT
  • SPDT

Temperature Range

  • 649° C (1,200° F) - Max.

Trim Material

  • 316 Stainless Steel
  • 400 Series Stainless Steel

Welded Connection

  • 1” Socket Weld End
  • 1-1/2” Socket Weld End
  • 2” Socket Weld End

  • Indirect mount is required because tank cannot be easily shutdown for service
  • When turbulence is high enough to cause false readings/damage to the float
  • The chamber is welded to prevent tampering and is lower cost

Documentation

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