PRODUCTS

DP Flow Meter Products

Ten primary-element and integrated system families cover standardized metering, low pressure loss, difficult media, wide-range custody transfer and energy management.

Standard Orifice Plates

ISO 5167-2 primary element

Standard Orifice Plates

Corner / flange / D-D/2 taps

A proven differential-pressure primary element for liquids, gases and steam, manufactured for traceable dimensions and repeatable installation.

Accuracy: ±0.5%–0.8% of rate (β and Reynolds dependent)Turndown: 10:1 typical (single transmitter); up to 50:1 with dual-rangeRange: DN50–DN1000

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Dual-Beta Orifice Plates

Extended range custody-transfer

Dual-Beta Orifice Plates

Two independent beta sections

Two independent β sections in one assembly, each designed to ISO 5167-2:2022 — enabling wide-range measurement with standardized orifice elements.

Accuracy: ±0.5%–0.8% per section (application dependent)Turndown: 50:1 (guaranteed accuracy); 100:1 (theoretical)Range: DN100–DN400

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Venturi Tubes

Low permanent pressure loss

Venturi Tubes

Convergent throat and diffuser

A classical convergent-throat-diffuser primary element for stable measurement where energy recovery matters.

Accuracy: Cd uncertainty 0.7%–1.5% (type dependent, per ISO 5167-4)Turndown: 10:1 typical; up to 20:1 with modern DP transmittersRange: DN50–DN1200

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Bore-Venturi Balanced Flow Meters

Patented multi-hole venturi technology

Bore-Venturi Balanced Flow Meters

Eight bore-venturi flow paths

Eight bore-venturi holes with an integrated central cone — combining balanced flow conditioning with venturi pressure recovery for high accuracy and low pressure loss.

Accuracy: ±0.5% of rate (with individual flow calibration)Turndown: 20:1 (CFD validated at ±1% stability for β=0.55–0.60)Range: DN50–DN600

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Balanced Flow Meters

Multi-hole flow conditioning

Balanced Flow Meters

Multi-hole balanced element

A multi-hole differential-pressure primary element designed to distribute the flow field and reduce permanent pressure loss compared to single-hole orifice plates.

Accuracy: ±1.0%–2.3% (calibration dependent)Turndown: 10:1 typicalRange: DN50–DN600

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V-Cone Flow Meters

Self-conditioning center-body design

V-Cone Flow Meters

Center-body conical throttle

A center-body differential-pressure meter for constrained straight runs and challenging flow profiles.

Accuracy: ±0.5% of rate (with individual flow calibration); uncalibrated per ISO 5167-5Turndown: 10:1–30:1Range: DN50–DN500

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Wedge Flow Meters

For viscous and solids-bearing media

Wedge Flow Meters

Open segmental wedge path

A segmental wedge restriction that maintains an open flow path for difficult liquids and slurries.

Accuracy: ±0.5%–1.0% (calibrated); ±4% uncalibrated per ISO 5167-6Turndown: 10:1–30:1Range: DN50–DN500

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Averaging Pitot Tubes

Economical large-pipe measurement

Averaging Pitot Tubes

Multi-port insertion probe

An insertion primary element that averages multiple impact-pressure samples across the pipe for cost-effective large-diameter measurement.

Accuracy: ±1.0% (standard); ±0.5% (with flow calibration)Turndown: 10:1Range: DN100–DN3000

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SmartBalance ProValve®

Integrated metering and valve control

SmartBalance ProValve®

5-in-1 metering and control

A patented 5-in-1 platform combining flow measurement, prepaid management and valve control for distributed energy users.

Accuracy: ±1.0% of rate (application dependent)Turndown: 100:1 (dual-range architecture)Range: DN50–DN300 (project-specific)

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Flow Nozzles

High-velocity and steam service

Flow Nozzles

ISA 1932 / long-radius nozzle

Durable ISA 1932 and long-radius nozzle geometries for high-temperature, high-velocity DP measurement.

Accuracy: Cd uncertainty 0.8%–2.0% (type and standard dependent)Turndown: 10:1 typicalRange: DN50–DN500

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