Flow Metering
High Pressure Flow Meter – ATEX Promass ‘O’ Coriolis Flow Meter
High-pressure ATEX-certified Coriolis mass flow meter for precise liquid and gas measurement up to 258 bar and 200 °C.
Max Flow Rate
800
L / h
Max Discharge Pressure
258
Barg
Max Air Supply Pressure
Barg
The Promass ‘O’ Coriolis Flow Meter is a high-performance ATEX-rated instrument engineered for accurate mass and volume measurement of liquids and gases under extreme pressure conditions.
Built on the proven Endress + Hauser Proline Promass 83 platform, it provides stable, repeatable results even in hazardous areas and demanding process environments.
Key Features
- Measures both liquids and gases with outstanding accuracy
- Pressure rated up to 258 bar (3750 psi) and temperatures to 200 °C
- Certified for use in hazardous (Zone 1 / Zone 2) ATEX environments
- Typical accuracy ± 0.1 – 0.2 % of reading
- No moving parts – maintenance-free and highly reliable
- Displays mass or volumetric flow, density and temperature simultaneously
- Optional outputs for recorders, data loggers and remote displays
- Constructed from super-duplex stainless steel for maximum strength
Applications
- High-pressure liquid and gas measurement
- Hydrocarbon and aggressive media monitoring
- Calibration and load-cell testing
- Hazardous area flow control and energy management
Technical Specifications
- Flow range: 5 – 100 % of maximum flow
- Max pressure: 258 bar / 3750 psi (PN 250 / Cl 1500)
- Temperature range: –40 °C to +200 °C
- Accuracy: ± 0.1 – 0.2 % of reading
- Wetted parts: Super-duplex 25Cr EN 1.4410 (F53)
- Output options: HART, Profibus DP/PA, Modbus, Foundation Fieldbus
- Approvals: ATEX, FM, CSA, IECEx, NEPSI
Why Choose the Promass ‘O’
Rugged, reliable and engineered for precision under pressure, the Promass ‘O’ offers exceptional measurement stability and safety in critical applications from hydrocarbon transfer to gas compression. With no moving parts and a balanced dual-tube design, it delivers repeatable results even in harsh conditions.
A Complete Chemical Injection Package Built Around Your Needs
Every chemical injection package we build can be tailored to your exact process requirements. Alongside the pump skid, PPM supplies all essential equipment from the suction point through to final discharge so you receive a fully integrated, ready-to-operate solution. A typical package can include items such as suction and discharge hoses, discharge manifolds with non-return valves, chemical tanks, bunded drum trolleys, and drip trays, all selected to suit the application.
Complete Fluid Transfer Solutions Built Around Your Needs
PPM’s fluid transfer systems are designed to give you consistent performance in challenging conditions. Each build can be adapted to suit your required flow rates, pressures, materials, and connection types, ensuring a seamless fit within your existing process. Our engineers can integrate the correct hose assemblies, manifolds, couplings, and protective measures so your equipment arrives ready to operate from day one.
Accurate Flow Metering Packages Built for Precision and Compliance
Our flow metering packages are configured to give you dependable accuracy, full compliance, and ease of integration. Systems can be built around your preferred metering technology and calibrated to the exact characteristics of the process stream. PPM will supply the required pipework, fittings, valves, supports, and instrumentation so the complete assembly is delivered as a clean, fully engineered unit ready for installation.
In high-stakes environments, reliability isn’t optional — it’s the baseline. Every piece of PPM equipment is backed by rigorous testing, full traceability, and direct access to the people who built it. From the first conversation to final sign-off, our process is designed to remove uncertainty and deliver equipment you can trust to perform under pressure.
Certification with Every Unit
Every product is supplied with complete documentation, serial numbers, and test records — so you know exactly what you’re working with, every time.
Proven Before It Leaves Us
We run each unit through inspection and performance testing against your spec, ensuring it meets or exceeds requirements before shipping.
Speak to the Experts, Not a Call Centre
Our engineers are on hand for setup, troubleshooting, and technical advice — so you get answers fast, from the people who know the kit inside out.
Trusted Across Industries
Our solutions are relied on by leaders in oil & gas, manufacturing, agriculture, and more — with a history of delivering results in demanding conditions.
Bespoke PPM Packages Backed by Real-World Performance
Real-world examples of hire and service solutions keeping plants and platforms online.
Whether it’s an urgent replacement or a planned upgrade, our team will get your equipment on site fast and operational without delay.









