Flow Metering
Hydrant Test Flow Meter – Flowmaster 250
Portable electromagnetic hydrant flow and pressure testing instrument for verifying fire-fighting and water-main performance.
Max Flow Rate
180000
L / h
Max Discharge Pressure
24
Barg
Max Air Supply Pressure
Barg
The Flowmaster 250 Hydrant Test Flow Meter provides accurate, portable measurement of both flow rate and pressure at hydrants, pumps, and water mains.
Engineered for field use, it allows one-person operation and fast, reliable testing of fire-fighting and distribution systems while minimising water wastage.
Key Features
- Measures static and dynamic pressure plus flow rate up to 3,000 L/min
- Integrated electromagnetic flow meter with digital LCD read-out
- Optional digital pressure transducer and integrated data logger
- Rugged aluminium housing with carry handle and internal rechargeable battery
- Produces clear Excel-compatible test reports via included PC software
- Optional Flowmaster 250D software for automatic report generation
- Supplied in a wheeled transport case for rapid deployment
Applications
- Fire-hydrant and pump-performance testing
- Evaluation of water-main capacity
- Leak and obstruction detection in pressurised systems
- Flow testing of hoses, pumps, and firefighting equipment
- Verification of fire-service and municipal water supplies
Technical Specifications
- Flow meter type: Electromagnetic
- Operating range: 30 – 3,000 L/min
- Accuracy: ±15 L/min (> 750 L/min), ±2 % (< 750 L/min)
- Pressure range: 0 – 25 bar (± 1 %)
- Working pressure: 16 bar nominal / 25 bar max
- Temperature range: –10 °C to +50 °C
- Power supply: 12 V DC 2.4 Ah rechargeable battery (12 h operation)
- Weight: 12.5 kg Dimensions: 210 × 240 × 390 mm
- Display: 4-digit backlit LCD with bar-chart indicator
- Connections: 2.5″ BS Instantaneous M/F or BSP thread (others optional)
- Housing: LM25 aluminium, RAL 3020 red
Why Choose the Flowmaster 250
Trusted by fire services across the UK and Ireland, the Flowmaster 250 delivers dependable hydrant-test performance in a robust, easy-to-use package. With combined flow and pressure measurement and simple data logging, it ensures compliance, efficiency, and safety during essential hydrant and pump verification.
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.
We Supply Diaphragm Pumps from Any Manufacturer, Including the Brands Below
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.