ABB Orifice plates for flow FPD150
Overview
The ABB FPD150 orifice plates range is a primary flow element – a precision-manufactured orifice plate that creates a defined pressure drop in a pipeline so that a separate differential pressure transmitter can infer flow rate. Manufactured to ISO 5167 and available in concentric, eccentric, and segmental bore designs, the FPD150 is the reference-standard primary element behind a large share of the differential pressure flow measurement installed worldwide.
Seven Star LLC supplies the FPD150 as a trusted supplier of ABB products in Oman and across the GCC, machining and certifying each plate to the pipe schedule, beta ratio, and process fluid the customer specifies, backed by ABB’s calculation and application engineering support.
Operating Principle
As fluid passes through the sharp-edged bore of the orifice plate, its velocity increases and its static pressure drops in proportion to the square of the flow rate, following the Bernoulli principle. Tapping this pressure differential across the plate – via flange, corner, or D and D/2 taps – and feeding it to a DP transmitter gives a traceable, repeatable flow signal without any moving parts in the pipeline itself.
Because the relationship between differential pressure and flow is governed by a published international standard rather than a proprietary calibration curve, an ISO 5167 orifice plate installation can be independently verified and audited by any qualified engineer, which is a large part of its continued use in fiscal and custody-adjacent measurement.
Engineering Design of the FPD150
Concentric-bore plates cover pipeline sizes from DN15 to DN900 (½ to 36 inches); conical-entrance, quarter-circle, and eccentric variants cover DN15–DN500; and segmental plates cover DN25–DN600. Plates are manufactured to a standard thickness of 3, 6, or 10 mm, with alternatives from 1.5 mm up to 16 mm engineered per the specific pressure differential and beta ratio, since an under-thickness plate can deform under sustained high differential pressure. Flange ratings follow ASME Classes 150 through 2500 lb. or DIN PN6 through PN160, and permanent pressure loss across the plate typically runs 40–95% of the generated differential pressure depending on the beta ratio and plate design selected.
Bore geometry is calculated from the specified beta ratio (the orifice bore diameter divided by the pipe internal diameter), machined to the tight edge-sharpness and bore-roundness tolerances ISO 5167 demands, and stamped with a certified data plate recording the bore, pipe ID, and material for traceability.
The concentric bore suits clean liquids, gases, and steam; the eccentric bore is offset toward the top or bottom of the pipe to pass entrained gas or sediment without fouling the reading; and the segmental design, with a bore shaped like a circular segment rather than a full circle, is used on flows carrying a higher proportion of solids or slurry. Plates are supplied in 304/316 stainless steel or higher alloys for corrosive or high-temperature service.
Key Features
- Manufactured and calibrated to ISO 5167 for internationally auditable accuracy
- Available in concentric, eccentric, and segmental bore geometries
- No moving parts, giving very low maintenance requirements over the plate’s service life
- Compatible with flange, corner, and D/D2 tap arrangements
- Certified data plate for full bore and material traceability
- 304/316 stainless steel as standard, higher alloys available for corrosive or high-temperature media
- Pairs with any standard differential pressure transmitter, new or legacy
- Custom bore sizing engineered to the customer’s specific beta ratio and flow range
- Flange ratings from ASME Class 150 through 2500 lb. and DIN PN6 through PN160, matched to the pipeline’s existing rating
- Optional duplex, super duplex, Alloy 625/825/C276, or titanium construction for aggressive or high-temperature media
Industrial Applications
The FPD150 is used across oil and gas processing, water and wastewater treatment, power generation, and chemical plants throughout Muscat, Sohar, Salalah, and the wider GCC wherever a straightforward, standards-based flow measurement point is required on liquid, gas, or steam lines. The eccentric bore variant is specified where entrained gas or wet steam must be passed without disturbing the reading, and the segmental design is preferred on produced-water or slurry lines carrying a meaningful solids fraction, where a concentric plate would otherwise foul or bias the differential pressure signal over time.
As a trusted ABB supplier, Seven Star LLC supplies correctly sized and certified FPD150 plates together with the DP transmitter and installation guidance needed to bring a new measurement point into service, or to replace a worn plate on an existing orifice run.
Technical Specifications
| Parameter | Specification |
|---|---|
| Model | ABB FPD150 |
| Type | Orifice plate primary flow element |
| Standard | BS EN ISO 5167-1 & -2 (ASME, API, AGA alternatives available) |
| Bore Styles | Concentric, conical entrance, quarter-circle, eccentric, segmental |
| Size Range | DN15–DN900 (concentric); DN15–DN500 (eccentric/conical/quarter-circle); DN25–DN600 (segmental) |
| Tap Types | Flange, corner, D and D/2 |
| Plate Thickness | 3, 6, or 10 mm standard; 1.5–16 mm engineered per application |
| Flange Rating | ASME Class 150–2500 lb.; DIN PN6–PN160 |
| Permanent Pressure Loss | 40–95% of generated differential pressure (beta-ratio dependent) |
| Material | 316/316L stainless steel standard; duplex, Alloy 400/625/800/825/C276, titanium available |
| Media | Liquids, gases, steam |
| Sizing | Engineered to customer-specified beta ratio and pipe schedule |
Request a Quote for ABB Orifice plates for flow FPD150
Contact Seven Star LLC to specify and order an ABB FPD150 orifice plate sized for your pipeline and process conditions in Oman and the GCC.
Related Products
- Datasheet ABB-Orifice plates for flow FPD150 Datasheet Download
Reviews
There are no reviews yet.