Krohne BM26A-8000 Optiflex 7200 C

Description of Krohne BM26A-8000 Optiflex 7200 C

Krohne BM26A-8000 Optiflex 7200 C
Krohne BM26A-8000 Optiflex 7200 C

The BM26A-8000 is a magnetic level indicator (MLI) for redundant level measurement in liquid applications. It comes in two versions: BM26A-8000-TWIN and BM26A-8000-BI. The BM26A-8000-TWIN consists of a double measuring chamber with one chamber featuring a flapper indication and the other one – equipped with a level transmitter (TDR guided radar, FMCW radar or displacer) – acting as a bypass chamber. The BM26A-8000-BI features a unique measuring chamber with two compartments, one for the OPTIFLEX 7200 transmitter probe and one for the float moving next to it.

Features of Krohne BM26A-8000 Optiflex 7200 C

  • Combined technology for redundancy
  • Can be fitted with OPTIFLEX 7200 or OPTIFLEX 8200 guided radar (TDR), OPTIWAVE 7400 radar (FMCW), or BW 25 displacer level transmitter
  • Also available as a TWIN version with a dual bypass chamber connected adjacently
  • Rugged metallic design – no maintenance
  • Large choice of materials e.g. 316L, 304L, alloy C276, alloy 625
  • Highly visible flaps housed ina  hermetically sealed glass tube (IP68)
  • Accuracy from ±2 mm / ±0.08? with OPTIFLEX and OPTIWAVE level transmitters

Application of Krohne BM26A-8000 Optiflex 7200 C

General

  • Redundant measurement in liquid applications up to +400°C / +752°F
  • Interface measurement
  • Safety-related applications up to SIL2/3

Oil and Gas Industry

  • Level control on process and storage tanks for oil and other hydrocarbons
  • Oil/water interface measurement in high- and low-pressure separators

Chemical industry, petrochemical industry

Redundant level control and interface measurement of various chemicals and refined products such as:

  • Refined products (e.g. gasoline, ethylene etc.)
  • Toluene, xylene, naphtha, gas condensate
  • Heat transfer fluids (e.g. Therminol®) and glycol
  • Alcohols

Power Industry

  • Redundant level monitoring in the steam cycle of power plants (e.g. steam condensate, boiler feedwater, etc.)
  • Level monitoring of heat exchangers

Specification of Krohne BM26A-8000 Optiflex 7200 C

General Information

Product TypeLevel indicator
Product family nameBM
Product positioningFor liquids in redundant measurement
Measurement principleRadar (FMCW), Displacer, Guided radar (TDR), Float
Level measurement typeContinuous measurement
Contact to the measured mediumYes
Interface measurementYes
RedundancyYes
Measured mediaLiquids
Measuring range (liquids)0.3…5.5 m/
1…18 ft (other on request)
Measuring pointBypass

Operating Condition

Process temperatureVersion with OPTIFLEX 7200:
-50…+250°C/
-58…+482°FVersion with OPTIFLEX 8200:
-50…+315°C/
-58…+599°F

Version with OPTIWAVE 7400:
-50…+200°C/
-58…+392°F

Version with BW 25:
-40…+400°C/
-40…+752°F

 

Materials

GasketsDepending on the selected device configuration
Wetted partsDepending on the selected device configuration

Process connections

Flange connectionsEN (1092-1): DN15…50
ASME (B 16.5): ½…2?

Approvals/Standards

Certificates/Approvals ExATEX, IECEx
Certificates/Approvals SafetySIL 2/3

Communication

Analog outputs4…20 mA
Discrete outputsLimit switches
Digital outputsFOUNDATION™ fieldbus, HART®, Profibus-PA

Accuracy

Accuracy (liquids)Indicator: ±10 mm/0.39 in
(optional: ±5 mm / 0.2 in with LT40)OPTIFLEX/OPTIWAVE: ±2 mm /0.08 in

For More Information and Price: Krohne BM26A-8000 Optiflex 7200 C

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