Protech Marketing
AUTHORIZED OEM DISTRIBUTOR
Forbes Marshall Products & Instrumentation
Explore the complete portfolio of high-performance industrial automation, sensors, and process control instruments by Forbes Marshall, engineered for maximum safety, accuracy, and operational efficiency.
CORE PRODUCT CATEGORIES
Available Forbes Marshall Product Lines
1 Product Line
OFFICIAL MODEL CONFIGURATIONS & SERIES
Available Models & Industrial Series
Explore precision-engineered series manufactured to exact industry standards. Select any category below to view specific model specifications or request a quote.
Forbes Marshall OPTIFLUX 2100 Electromagnetic Flowmeter
Full Bore Electromagnetic Flowmeter for Municipal Water, Industrial Wastewater & Effluent Treatment Lines
Forbes Marshall OPTIFLUX 4300 Chemical Electromagnetic Flowmeter
Heavy-Duty Electromagnetic Flowmeter with PFA / PTFE Linings for Corrosive Chemicals & Slurries
Forbes Marshall OPTIFLUX 1100 Sandwich Wafer Magmeter
Compact Wafer Sandwich Electromagnetic Flowmeter for General Industrial Utilities & OEM Skid Machinery
Forbes Marshall BATCHFLUX 5500 C High-Speed Batching Flowmeter
High-Speed Ceramic Flowmeter with Gapless Construction for Linear & Rotary Filling Machines
Forbes Marshall OPTIMASS 6400 Twin Bent Tube Coriolis Flowmeter
High-Accuracy Mass Flowmeter with Entrained Gas Management (EGM) for Chemical, Cryogenic & Hydrocarbon Fluids
Forbes Marshall OPTIMASS 7400 Single Straight Tube Coriolis Flowmeter
Single Straight Tube Design for Shear-Sensitive, High-Viscosity, Slurry & Corrosive Process Media
Forbes Marshall OPTIMASS 1010 Twin Straight Tube Coriolis Meter
Cost-Effective Twin Straight Tube Mass Flowmeter with Integrated Modbus / 4-20mA HART Electronics
Forbes Marshall OPTIBATCH 4011 Batching Coriolis Mass Flowmeter
Specialized Coriolis Mass Flowmeter for Fast and Accurate Filling, Dispensing & Batch Processing Skids
Forbes Marshall OPTISWIRL 4200 Vortex Flowmeter (Integrated P&T)
All-in-One Vortex Flowmeter with Built-in Temperature & Pressure Sensors for Saturated & Superheated Steam
Forbes Marshall OPTISWIRL 4200 Dual Redundant Vortex Meter
Dual Sensor Dual Converter Vortex Flowmeter for High Reliability & SIL 2/3 Safety Instrumented Systems
Forbes Marshall OPTISONIC 3400 3-Beam Inline Ultrasonic Flowmeter
3-Path Ultrasonic Flowmeter for Conductive and Non-Conductive Liquids, District Heating & Cooling Networks
Forbes Marshall OPTISONIC 6300 External Clamp-On Flowmeter
Non-Intrusive Ultrasonic Flowmeter for Retrofit Installation on Existing Pipes Without Process Interruption (up to DN4000)
Forbes Marshall OPTISONIC 7300 Biogas & Natural Gas Ultrasonic Meter
Dedicated Gas Ultrasonic Meter for Wet Biogas, Landfill Gas, Coal Bed Methane & Compressed Natural Gas
Forbes Marshall ALTOSONIC 5 Custody Transfer Ultrasonic Flowmeter
Multi-Path High-Precision Ultrasonic Flowmeter for Fiscal Metering and Custody Transfer of Liquid Hydrocarbons
Forbes Marshall H250 M40 Metal Cone Variable Area Flowmeter
All-Metal Armored Variable Area Flowmeter for Harsh Process Temperatures up to +400°C & Pressures up to 400 Bar
Forbes Marshall DK32 / DK34 Miniature Purge Variable Area Meter
Compact Metal Rotameter with Integrated Needle Valve for Low-Flow Monitoring of Gas, Liquid & Purge Systems
Forbes Marshall VA40 Glass Tube Variable Area Flowmeter
Direct Visual Reading Borosilicate Glass Rotameter for Water, Gases & Low-Aggressive Utility Fluids
Forbes Marshall DW 181 Inline Mechanical Flow Controller & Switch
Target-Displacement Mechanical Flow Controller for Pump Protection, Heat Exchangers & Cooling Water Systems
Forbes Marshall DW 182 Insertion Mechanical Flow Switch
Insertion Paddle-Type Mechanical Flow Switch for Large Diameter Pipelines, Lubrication & Circulating Loops
Forbes Marshall OPTIFLEX 1100 C 2-Wire Guided Radar Level Transmitter
Time Domain Reflectometry (TDR) Guided Wave Radar for General Industrial Storage Tanks & Water Basins
Forbes Marshall OPTIFLEX 3200 High-Performance Guided Radar
Heavy-Duty TDR Level Transmitter for High Temperature, High Pressure Chemical Vessels & Boiler Feed Tanks
Forbes Marshall BM26A-1000 Standard Magnetic Level Indicator
Bypass Chamber Magnetic Level Gauge with High-Visibility Bi-Color Flaps for Atmospheric & Pressurized Vessels
Forbes Marshall BM26A-6000 High-Pressure / High-Temp Level Indicator
Robust Magnetic Level Gauge for Steam Boilers, Power Utilities & High-Pressure Chemical Separation Drums
Forbes Marshall BM26A-8000 Extreme Pressure Magnetic Level Gauge
Extreme Heavy-Duty Magnetic Level Gauge Rated up to 400 Bar & 400°C for Offshore Oil & Gas Separation Vessels
Forbes Marshall OPTIWAVE 3500 C 80 GHz FMCW Radar Level Transmitter
Non-Contact 80 GHz Radar Level Meter for Water Reservoirs, Effluent Treatment Channels & Open Sump Basins
Forbes Marshall OPTIWAVE 5400 C 24 GHz FMCW Radar Level Transmitter
2-Wire 24 GHz Non-Contact FMCW Radar for Liquids in Storage & Agitated Process Tanks with Narrow Antennas
Forbes Marshall OPTIWAVE 6400 C 24 GHz Solids FMCW Radar
24 GHz Non-Contact Radar Level Transmitter Specially Designed for Fine Powders, Granulates & Bulk Solids Silos
Forbes Marshall OPTIWAVE 7400 C 80 GHz Radar for Corrosive Media
Top-Tier 80 GHz FMCW Radar with PEEK Lens Antennas for Extreme Agitation, Corrosive Chemicals & Boiling Liquids
WHY CHOOSE PROTECH MARKETING
Your Authorized Industrial Partner for Forbes Marshall
We combine direct manufacturer access with deep application engineering expertise to provide seamless procurement, installation, and technical support.
100% Genuine OEM Sourcing
Direct supply from Forbes Marshall facilities with manufacturer test certificates, traceable serial numbers, and complete OEM warranty protection.
Engineering Sizing & Selection
Expert technical consultation for range sizing, process temperature adaptation, output signal calibration (4-20mA, HART, CANopen), and PID loop configuration.
Rapid Dispatch & Stock Availability
Strategic inventory of fast-moving Forbes Marshall transmitters, controllers, and transducers for urgent breakdowns and immediate dispatch.
Custom Configurations & Support
Tailored mechanical process connections, armored cabling, high-temperature melt stems, and SIL2 / ATEX certified hazardous zone executions.
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