KROHNE
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KROHNE
Nexen OilGas Engineering LLP is the exclusive distributor of KROHNE products in the Republic of Kazakhstan.

We are interested in long-term cooperation, while guaranteeing high quality of services and timely deliveries.
OPTIFLUX 4400
Electromagnetic flowmeter for safety instrumented systems and applications with high accuracy requirements
Certified for use in safety instrumented systems up to SIL 2/3 with automated partial verification capability to extend proof test intervals
Largest diagnostic verification intervals, including a failure response time of only 2 minutes
SIL 2/3 up to DN600/24"; without SIL up to DN2000/80" (larger on request)
Pulse, frequency, status, 4...20 mA, HART®7
OPTIMASS 6400
Coriolis mass flowmeter for demanding process applications
High accuracy (±0.05% over full range), for low and high temperature environments (-200…+400°C); trouble-free operation in the presence of gas fractions of varying content and difficult flow conditions (EGMTM)
SIL 2/3; Custody transfer: OIML R117, R137, MI-005, MI-002; API, AGA; hygienic certificates
Flange: DN10…300 / ½…12", max. PN 160 / ASME class 1500; other
3 x 4…20 mA, HART®7, Modbus, FF, Profibus-PA/DP, PROFINET, EtherNet/IP™, Bluetooth®
OPTISONNIC 3400
Ultrasonic flowmeter for liquids in industrial applications
High-precision 3-path flowmeter: wide dynamic measuring range, no maintenance, no pressure loss
Versions for cryogenic (-200°C) and high-temperature (+250°C) media, for low- and high-viscosity media (up to 1000 cSt)
Flange: DN25…3000 / 1…120", max. PN200 / ASME class 1500; also a version for welding
3 x 4…20 mA, HART®, Modbus, FF, Profibus-PA/DP
H280 M40
Flowmeter for liquids and gases
Modular design: from mechanical indicator to 4…20 mA/HART®7, FF, Profibus-PA and totalizer
Any mounting position: vertical, horizontal or on descending pipes
Flange: DN15…150 / ½……6"; also NPT, G, hygienic connections, etc.
-196…+400°C; max. 1000 bar
Differential pressure flow meters
Differential pressure flowmeters. For various technological processes.
  • For measuring volume, mass flow and density of liquids, gases or steam
  • With 3D linearization of the converter
  • Wide range of differential pressure sensors and auxiliary devices
Vortex flow meters
For general purpose applications in the power sector, advanced energy management and safety instrumented systems
  • High-tech flowmeters with integrated pressure and temperature compensation and integrated energy calculator for advanced energy metering
  • Certified for safety instrumented systems (SIS)
  • Economical and reliable devices for harsh environments and/or general purpose applications
Pressure transducers
For measuring absolute, gauge and differential pressure
  • From basic, ultra-compact to modular, multifunctional pressure transmitters
  • With ceramic or metal measuring cell
  • For use in hazardous areas, hygienic applications or SIL systems
Level gauges
For continuous level and interface measurement using contact and non-contact methods
Various measurement technologies: radar (FMCW), directional radar (TDR), ultrasound, displacement, potentiometry, hydrostatic pressure
For liquids and bulk solids in process and storage tanks
Compliance with the requirements of various industries
Analytical sensors and measurement systems
For a wide range of analytical parameters
  • For pH, ORP, conductivity, suspended solids, dissolved oxygen, free chlorine, chlorine dioxide and ozone, suspended sediment, turbidity or multi-parameter applications
  • From sensors with integrated transmitter to modular panels for analytical liquid measurements
  • For any industrial requirement – ​​from hazardous areas to hygienic applications
Temperature measuring devices
Fittings, sensors, transmitters and auxiliary equipment for temperature measurement
Thermistors and thermocouples for industrial process and OEM sectors
Thermometer fittings, cable sensors, compact sensors and customized solutions
Temperature transmitters for sensor head and rail mounting in intrinsically safe design and SIL certified