ABB Compact integral orifice flowmeter IOMaster FPD510
Overview
The ABB IOMaster FPD510 is a compact integral orifice flowmeter purpose-built for small line sizes – DN15, DN25, and DN40 (½, 1, and 1½ inch NPT or flanged) – where a full-scale OriMaster FPD500 or a field-assembled orifice run would be oversized, over-specified, and unnecessarily costly to install. It is the smallest-bore member of ABB’s compact differential-pressure flowmeter family, engineered specifically for low flow rate measurement on utility branches, sample lines, and instrument taps where line diameter, not process criticality, is the limiting factor.
Seven Star LLC supplies the IOMaster FPD510 as a trusted supplier of ABB products in Oman and the GCC, matching the unit’s replaceable orifice plate, connection style, and material grade to the exact small-bore application – utility metering, sample lines, and low-flow process branches – that the larger OriMaster format does not efficiently serve. Every unit is water-calibrated at the factory to the customer’s specified flow range before shipment, so it arrives ready for direct installation without field recalibration.
Operating Principle
Like the rest of ABB’s compact DP flowmeter family, the IOMaster generates a differential-pressure signal as fluid accelerates through the fixed orifice bore, but does so with the plate, body, and transmitter manifold machined as a single small-bore assembly rather than a scaled-down version of a larger orifice run. This integral construction avoids the disproportionate impulse-line problems that plague field-assembled small-bore DP installations, where narrow tubing is far more prone to blockage from scale, debris, or condensate relative to its own diameter, and where the tubing itself is harder to physically support against vibration.
The integral 266-series or 267-series multivariable transmitter measures differential pressure, and – on the IOMaster M variant – static line pressure and process temperature simultaneously from the single unit, giving a fully compensated mass or corrected-volume flow output without needing separate pressure and temperature instruments on such a small line. The IOMaster V variant, paired with an ABB 266DSH or 364DS transmitter, outputs volumetric flow across one of six selectable DP sensor ranges spanning 1 kPa to 160 kPa (10–1,600 mbar), letting Seven Star match the transmitter span precisely to the customer’s actual flow rate rather than leaving significant turndown unused.
Engineering Design of the ABB IOMaster FPD510
The one-piece, factory pressure-tested design removes the impulse-line leakage and commissioning problems that are disproportionately troublesome on small-bore lines. The wetted body is manufactured from 316 stainless steel, with orifice plates available in 316 stainless steel or Hastelloy-C for corrosive or sour-service media, and sealing gaskets in silicate-ceramic-filled PTFE; process-wetted materials are NACE MR-0175 compliant for sour hydrocarbon service. Orifice plates are replaceable as standard across all three available sizes and are offered in a wide range of bore diameters – from 0.020 in. up to 0.340 in. on the ½-inch size, up to 0.735 in. on the 1-inch size, and up to 1.127 in. on the 1½-inch size – so a change in flow range or a recalibration requires only a plate change rather than replacement of the whole unit. Threaded connections (½-inch and 1-inch NPT) are rated to 20,684 kPa (3,000 psig) at 149°C, the 1½-inch NPT connection to 10,500 kPa (1,500 psig) at 149°C, and flanged variants follow the applicable flange class rating.
Key Features
The IOMaster FPD510 concentrates a set of design choices around one goal – accurate, low-maintenance flow measurement on lines too small to justify a full-size orifice run:
- Purpose-built small-bore sizes: DN15, DN25, and DN40 (½, 1, and 1½ inch), never oversized for the application.
- One-piece, factory pressure-tested and water-calibrated body eliminates field impulse-line leaks and blockage risk entirely.
- Repeatability of ±0.2%, with calibrated accuracy tuned to the specific beta range and flow span ordered.
- Replaceable orifice plates standard across all sizes, with up to 11 bore-diameter options per size for precise range matching.
- Integral 266-series or 267-series multivariable transmitter measures DP, static pressure, and temperature together on the M variant.
- Threaded (NPT) or welded flanged connection options, rated up to 20,684 kPa (3,000 psig) depending on size and connection type.
- 316 stainless steel or Hastelloy-C plate options with NACE MR-0175-compliant wetted materials for sour-service duty.
- Through-the-glass configuration lets technicians range and zero the transmitter without removing the housing cover, simplifying work in classified hazardous areas.
- Integral 3-valve manifold as standard, with an optional 5-valve manifold for full block-and-bleed isolation and equalization.
Industrial Applications
The IOMaster FPD510 is used wherever a plant in Muscat, Sohar, Salalah, or elsewhere in the GCC needs accurate low flow rate measurement on a small-bore line – utility and sub-metering points, steam and condensate sample lines, chemical dosing branches, cooling-water bypass loops, and instrument air taps – without installing an oversized orifice run designed for a much larger process line. Its NACE-compliant material options also make it suitable for sour-gas sample points and produced-water side-streams in upstream oil & gas facilities across the region.
Seven Star LLC, as a trusted ABB supplier, positions the IOMaster FPD510 specifically for these small-bore duties and the larger OriMaster FPD500 for general process line sizes, so customers across Oman and the GCC are sized into the correct compact DP flowmeter for their actual pipe diameter rather than one unit stretched across both roles. Genuine ABB documentation, factory water-calibration to the ordered range, and local technical support are provided with every unit.
Technical Specifications
Key technical specifications for the ABB IOMaster FPD510 compact integral orifice flowmeter are summarized below; contact Seven Star LLC for the full data sheet and model-specific ordering information.
| Parameter | Specification |
|---|---|
| Model | ABB IOMaster FPD510 (V – volumetric / M – multivariable) |
| Measurement Principle | Differential pressure across an integral small-bore orifice plate |
| Repeatability | ±0.2% |
| Line Sizes | DN15, DN25, DN40 (½, 1, 1½ in.) |
| Connections | NPT threaded or welded flanged |
| Pressure Rating | Up to 20,684 kPa (3,000 psig) at 149°C, size/connection dependent |
| Process Temperature | −20°C to 121°C |
| Ambient Temperature | −40°C to 85°C (model dependent) |
| Wetted Materials | 316 stainless steel body and plate; Hastelloy-C plate option; NACE MR-0175 compliant |
| Orifice Plate | Field-replaceable, multiple bore-diameter options per size |
| Transmitter | ABB 266DSH/364DS (IOMaster V) or ABB 267CS multivariable (IOMaster M) |
| DP Sensor Ranges | Six ranges, 1–160 kPa (10–1,600 mbar) |
| Manifold | Integral 3-valve standard; 5-valve optional |
| Communication | 4–20 mA standard; HART, PROFIBUS PA, Foundation Fieldbus, Modbus optional |
Request a Quote for ABB Compact integral orifice flowmeter IOMaster FPD510
Contact Seven Star LLC to specify an ABB IOMaster FPD510 for your small-bore, low flow rate measurement point in Oman and the GCC. As a supplier of ABB products, we provide sizing support against your actual line diameter and flow range, a quotation with confirmed lead time, and full datasheet access on request.
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