IBG
Oakleaf Investment Holdings 52 (OIH)
Oakleaf Investment Holdings 52 (OIH)

Unit C5, The Palisades, 39 Kelly Road, Jet Park

tel:  
+27 11 397 1105
fax:  
+27 86 614 3355
email:  
sales@oihcontrols.co.za
url:  
www.oihcontrols.co.za

Core business offering: OIH Instruments & Controls supplies field instrumentation in the southern African market. We represent branded global manufacturers of shut-off, pressure and flow control valves, gas and moisture analyser systems, liquid analysers as well as dust and gas explosion protection systems.


Secunda

tel: +27 17 638 0177
fax: +27 86 614 3355
zelda@oihcontrols.co.za
Vaal

tel: +27 16 931 0523
fax: +27 86 614 3355
carin@oihcontrols.co.za
Barnard, Jonice
Internal Sales
sales1@iohcontrols.co.za
Clough, Mickey
Sales
mickey@oihcontrols.co.za
Evans, Sarah
Internal Sales Admin
sales2@oihcontrols.co.za
Ferreira, John
Sales & Marketing Manager
john@oihcontrols.co.za
Resnik, Eloise
Financial
finance@oihcontrols.co.za
Walton, Tracy
Internal Sales Manager
tracy@oihcontrols.co.za
Xaba, Sibu
Internal Sales Admin
salesadmin@oihcontrols.co.za
Bemet
Cape Town
tel: +27 82 553 6058
Ezenu
Port Elizabeth
tel: +27 41 451 0614
Golden Energies
Rustenburg
tel: +27 14 592 2524
NIC Natal
Durban
tel: +27 31 277 2200
fax: +27 86 6708 185
Accutron
(Sole Agency)
AS-Schneider
(Shared Agency)
Beko Technologies
(Sole Agency)
Beta
(Sole Agency)
Cepex
(Sole Agency)
Comac Cal
(Sole Agency)
Coreline Valves
(Sole Agency)
Crane Process Flow Technologies
(Sole Agency)
Electro Chemical Devices
(Sole Agency)
Fike
(Sole Agency)
GE Bently Nevada
(Sole Agency)
GE Druck
(Sole Agency)
GE Measurement & Control Solutions
(Sole Agency)
GE Panametrics
(Sole Agency)
Innova
(Sole Agency)
Jordan (valve)
(Sole Agency)
LowFlow
(Sole Agency)
Magnetrol
(Sole Agency)
Marwin Valve
(Sole Agency)
Nova Analytical Systems
(Shared Agency)
OIH Enclosures
(Manufacturer)
Perar
(Sole Agency)
Sensonics
(Sole Agency)
Shanghai Yinuo Instruments
(Shared Agency)
Sika Dr Siebert & Kuhn
(Sole Agency)
SSP Fittings
(Sole Agency)
SteriFlow
(Sole Agency)
Veris
(Sole Agency)
Weka
(Manufacturer, Sole Agency)
Section - Data Acquisition & Remote Control
-Hygrometers
-Monitors
- air quality
- chlorine
- dust
- flame
- gas
- moisture
- vibration
- water quality
-Sampling equipment
- gases
- liquids
- solids
Section - Maintenance, Reliability & Asset Optimisation
-Handheld/portable
- Hardwired point-to-point device calibrator/configurator
- Hardwired point-to-point HART device calibrator/configurator
- Hardwired point-to-point Profibus device calibrator/configurator
- Network capable HART device calibrator/configurator
- Network capable Profibus device calibrator/configurator
- Network capable proprietary device calibrator/configurator
- Other
- Wireless HART device calibrator/configurator
- Wireless Profibus device calibrator/configurator
- Wireless proprietary device calibrator/configurator
-In-stream/in situ
- Pneumatic air
- Valve stroke testing
- Vibration/balance
-Sampling/ex situ
- pH
-Bench
- Instrument power supply
-Handheld/portable
- Data-logger
- Multimeter
- Thermometer
- Vibration/balance
-Condition monitoring
- Remote site condition monitoring
-Consulting
- Technical
-Maintenance
- Calibration
- Maintenance
- Predictive maintenance
-Performance monitoring
- Process/production
-Asset related
- Asset management software for intellectual assets (engineering related)
- Spares inventory management
-Calibration, configuration & adjustment
- Networkable HART device calibration/configuration
- Networkable Profibus device calibration/configuration
- Networkable proprietary device calibration/configuration
- Point-to-point HART device calibration/configuration
- Point-to-point Profibus device calibration/configuration
- Point-to-point proprietary device calibration/configuration
- Wireless HART device calibration/configuration
- Wireless Profibus device calibration/configuration
- Wireless proprietary device calibration/configuration
-Education & training
- Competency-based learning
-Maintenance
- Predictive maintenance
- Preventive maintenance
Section - Miscellaneous Hardware
-Boxes - electronics
- Plastic construction
-Canopies
-Enclosures (special)
- Corrosion proof
- Environmentally protected
-Pole mount accessories
-Pole mount accessories (stainless steel)
Section - Networks for Communication & Control
-ISA100
- field devices - actuators
- field devices - controllers
- field devices - transmitters
- portable devices
-WirelessHART
- field devices - actuators
- field devices - adaptors
- field devices - controllers
- field devices - transmitters
Section - Process Control & Manufacturing Technologies
-Emergency shutdown
-Limit switches
-Partial stroke testing devices
-Pneumatic
-Valve position transmitters
- Valve positioners
-Control valves (applications)
- Cryogenic
- Globe - sanitary
- Hygienic
- Pump protection
- Re-circulating
- Safety release
- Severe service/harsh application valves
- Slurry control
- Steam conditioning
- Steam de-superheaters
-Control valves (type)
- Ball
- Butterfly
-Globe
- double seated
- three-way
-Lined valves
-Manifolds
-Rotary control valves
-Shut tight valves
-Sliding/knife gate
-Solenoid
-Inputs
- RTD
- Thermocouple
-Flowmeters (application)
- Batching
- Partially filled pipes/channels
-Flowmeters (type)
- Clamp-on, non-invasive
- Coriolis
- Custody transfer
- Differential pressure (DP)
- Magnetic/electromagnetic
- Mass
- Open channel, flume, weir
- Orifice plate, flow nozzle
- Pelton wheel
- Pitot tube
- Positive displacement
- Solids
- Thermal dispersion/calorific
- Turbine
- Variable area
- Venturi tube
- V-notch
- Vortex
- Wedge
-Monitors/indicators
-Pipeline monitors
-Potable water meters
-Regulators
-Switches
-Totalisers and correlators
-Explosion-proof
-Flameproof
-Gas detection
-Intrinsic safety
- 4-20 mA set-point stations
- Batch controllers
- Flashing beacons
- Isolating interface units
- Sensors
- Solenoid valves
- Totalisers
- Transmitters - flow
- Transmitters - level
- Transmitters - pressure
- Transmitters - temperature
- Valve positioners
-Pressurisation
-Boiler sight glasses
-Capacitive & conductive
-Float-operated
-Microwave, guided & radar
-Pressure/hydrostatic
-Rotary paddle
-Tank gauging
-Thermistor / thermal
-Tilt switch
-Ultrasonic
-Vibrating fork
-Coriolis
-Density
-Actuators
- Linear
- Rotary
-Air dryers
-Controllers/logic devices
-Cylinders
- Double acting
- Positioners
-Filters
-Pressure/vacuum switches
-Tubes & fittings
-Valves
- Check
- Flow
- Gauge
- Isolation
- Manifolds
- Pressure
-Differential pressure transducers
-Instrument manifolds
-Manometers
-Pressure gauges/indicators
-Pressure switches
-Pressure-electrical transducers
-Regulators
- Pilot operated pressure reducing
- Rupture disk
- Self-acting back pressure
- Self-acting pressure reducing
-Capacitive
-Infrared
-Laser
-Limit switch
-Magnetic
-Ultrasonic
-Current
-Density
-Displacement
-Flow
-Gas
-Humidity
-Interface in solids/liquids
-Level
-Mass
-Moisture
-Other
-Thickness
-Vibration
-Converters
- A-D
- D-A
- I-P, P-I
- mV/current
- Programmable
-Isolators
-Root extractors
-Heat flow monitors
-Panel-mount indicators
-RTDs (Pt 100, Ni)
-Temperature switches
-Thermocouple reference units
-Thermocouples (Type S, T, etc)
-Thermowells
-Conductivity
-Control signal
-Differential pressure
-Flow
-Frequency
-Gas
-Humidity
-Level
-pH
-Pneumatic
-Pressure
-Resistance
-Temperature
-Universal, programmable
-Vibration
-Wireless
Section - Services & Systems
-Consulting engineers
- Project management
- Systems specification
-Contractors
- Factory automation
- Process control
- System wiring/installation
Section - Test, Measurement & Calibration
-Analysers
- Ash content
- Boiler feed water
- Carbon concentration
- Chlorine
- Combustion
- Dissolved oxygen
- Flue gas
- Gas
- On-line process
- Oxygen
- Suspended solids
-Conductivity
-ORP
-pH
-pH handheld
-Redox measurement
-Sampling equipment
- Gases
- Liquids
-Turbidity meters
-0/4-20 mA loop simulators/calibrators
-Calibration services (SANAS accredited etc.)
-Deadweight testers
-Documenting process calibrators
-Flow calibrators
-Frequency, time simulators/calibrators
-Loop optimisation analysers & software
-mV simulators/calibrators
-Power, energy calibrators
-Pressure simulators/calibrators
-Reference materials (certified)
-RTD simulators/calibrators
-Temperature (dry block)
-Temperature baths
-Thermistor simulators
-Thermocouple simulators
News from Oakleaf Investment Holdings 52 (OIH):
Next-generation magnetostrictive level transmitter
July 2016, Level Measurement & Control, Oakleaf Investment Holdings 52 (OIH)

Magnetrol International has announced the release of the Jupiter Model JM4 magnetostrictive level transmitter. The JM4 is available as a direct insertion option, as well as an external mount on any Magnetrol ...

Magnetrol’s non-contacting radar transmitter
July 2016, Level Measurement & Control, Oakleaf Investment Holdings 52 (OIH)

Magnetrol International has launched the Pulsar Model R96 non-contacting radar (NCR) transmitter for accurate, reliable level control in process applications. Virtually unaffected by the presence of vapours ...

Industry news:
From the editor's desk: Digital transformation or the way of the dinosaur?
September 2020, News, Technews Publishing (SA Instrumentation & Control)

The Fourth Industrial Revolution (4IR) recently had its fair share of exposure in South African industry circles. First, the German & EU Chamber’s Working Group Industry 4.0 kicked off a series of online ...

Safe operation of LNG tanks
September 2020, IS & Ex, Endress+Hauser South Africa

Endress+Hauser’s innovative instrumentation and advanced inventory management solutions for LNG storage tanks ensure safe operation of plant and high levels of inventory transparency.

Fully automated CIP system upgrade at a food factory
September 2020, System Integration & Control Systems Design, Hybrid Automation

Hybrid automation was recently approached to upgrade the CIP system at a food production plant based on the East Rand of Johannesburg.

WearCheck launches disinfectant tunnel
September 2020, News, Wearcheck Africa

To help South African companies ensure the health of their employees, WearCheck has created a unique HealthCheck disinfectant tunnel which can be situated at the entrance to work-sites or public spaces ...

Open Beckhoff technology sets adoption record
September 2020, News, Beckhoff Automation

Now, with 3000 officially registered device manufacturers, EtherCAT has the broadest base of adoption in the industrial Ethernet market.

New Modicon IIoT-ready controller
September 2020, PLCs, DCSs & Controllers, Schneider Electric South Africa

The Modicon M262 is IIoT-ready, designed and delivered with intuitive direct cloud connectivity and no gateways are required for OEMs to design solutions for performance demanding applications.

Check valve with redundant sealing
September 2020, Valves, Actuators & Pump Control, WIKA Instruments

The new model CV check valve from WIKA is designed for a wide range of applications in the process industry. Its sealing system reliably prevents backflow of liquid and gaseous media.

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