PRODUCTS

Industrial Flow Meter Products

Differential-pressure, velocity-array and vortex-shedding measurement engineered for your application.

Standard Orifice Plates

ISO 5167-2 primary element

Standard Orifice Plates

Corner / flange / D-D/2 taps

A standardized differential-pressure primary element for liquids, gases and steam, manufactured with controlled dimensions for repeatable installation.

Accuracy: ±0.5%–1.0% of rate (β and Reynolds dependent)Turndown: 10:1 typical (single transmitter); up to 30:1 with dual-rangeRange: DN50–DN2000 subject to project-specific design; DN650+ matched to pipe outside-diameter Series A or B

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Adaptive Wide-Range DP Flowmeter

Invention-patented adaptive DP measurement

Adaptive Wide-Range DP Flowmeter

Dual-orifice or dual-balanced architecture

Measure stable low demand and peak flow with one integrated DP platform. The approved public baseline is 100:1, with ±1% in the normal operating band and ±3.75% at switching points and the two range ends.

Accuracy: ±1% in the normal operating band; ±3.75% at switching points and the two range ends, subject to the approved full-system flow-calibration basisTurndown: 100:1 approved public performance baseline; final usable span requires project sizing and full-system flow calibrationRange: DN50–DN300 standard; other sizes by engineering review

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Venturi Tubes

Low permanent pressure loss

Venturi Tubes

Convergent throat and diffuser

ISO 5167-4 classical Venturi tubes for stable differential-pressure measurement with controlled pressure recovery and low permanent loss.

Accuracy: Cd uncertainty 0.5%–1.0% (type dependent, per ISO 5167-4)Turndown: 10:1 typical with one DP range; wider duties require a reviewed multi-range configurationRange: DN50–DN1200 per ISO envelope; larger sizes by engineered/calibrated design

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Full-Section Matrix Flowmeters

Patented multi-point velocity-array measurement

Full-Section Matrix Flowmeters

Full-section sampling · low permanent loss

A patented multi-point differential-pressure array engineered for large circular pipes, rectangular ducts and gas-flow profiles that a single-point or single-bar probe may not represent.

Accuracy: Project-specific; historical brochure classes ±0.5%, ±1.0% and ±1.5% require an approved calibration or site-correlation basisTurndown: Project-specific; set by minimum usable DP, density variation, transmitter span and the correlation modelRange: Round 25–6000 mm; rectangular 50 × 50 to 4000 × 4000 mm (source-family engineering range)

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Balanced Flow Meters

Multi-hole flow conditioning

Balanced Flow Meters

Multi-hole balanced element

Pipeline, wafer and replaceable-core differential-pressure meters with an application-specific multi-hole primary element for compact industrial flow measurement.

Accuracy: Project-specific; stated on the approved datasheet and calibration basisTurndown: 10:1 typical; wider ranges require minimum-ΔP reviewRange: DN50–DN600 routine; DN650–DN2000 available for low-pressure large-diameter service, matched to pipe OD Series A or B

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V-Cone Flow Meters

ISO 5167-5 cone-meter engineering

V-Cone Flow Meters

Self-conditioning center-body DP measurement

A 29° included-cone-angle differential-pressure flow meter supplied only through an individual Clause 7 flow-calibration route for compact liquid, gas and steam metering.

Accuracy: Individual flow-calibration result per certificate; no ISO uncalibrated uncertainty claim applies to the 29° Shizhong product routeTurndown: 10:1 typical after sizing; wider ranges require DP signal, Reynolds-number and calibration verificationRange: DN50–DN500 standard family; extended sizes by individual flow calibration and engineering review

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Wedge Flow Meters

ISO 5167-6 differential-pressure primary element

Wedge Flow Meters

Segmental opening for difficult service

An ISO 5167-6-referenced wedge primary element for viscous single-phase fluids and selected solids-bearing duties, supplied with individual flow calibration.

Accuracy: Individual flow-calibration result stated per certificate; ISO uncalibrated C uncertainty is ±4% relative expanded (k=2)Turndown: 10:1 typical; up to 30:1 with dual-range DP measurement, subject to process and calibration reviewRange: DN50–DN300, ASME Class 150–900; DN50–DN600, ASME Class 150–600

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Lierba & Averaging Pitot Flowmeters

Shizhong proprietary low-loss insertion measurement

Lierba & Averaging Pitot Flowmeters

Anti-plugging design · online-service options

Shizhong Lierba™ combines a low-loss insertion probe with a proprietary anti-plugging pressure-opening concept, drainage-friendly geometry and engineered purge or online-service options for large pipes and difficult gases.

Accuracy: Project-specific; ±0.5%–1.0% available with a representative calibration and approved installation basisTurndown: 10:1 typical; up to 50:1 subject to verified minimum DP, transmitter, installation and calibrationRange: DN100–DN3000; circular, square and rectangular ducts by project

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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.

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Flow Nozzles

High-pressure steam and high-velocity service

Flow Nozzles

ISO 5167-3 ISA 1932 / long-radius nozzle

ISO 5167-3 ISA 1932 and long-radius flow nozzles engineered for steam, feedwater, gas and demanding high-pressure service.

Accuracy: Project-specific; ISO discharge-coefficient uncertainty is nozzle-type dependent, with calibrated performance stated per certificateTurndown: 10:1 typicalRange: DN50–DN600; DN50–DN300 within the type-approval scope; DN300–DN600 individually flow calibrated

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Custom low-loss measurement for large gas ducts

Double-Venturi Gas Flowmeters

Stronger DP signal for low-velocity gas

Application-engineered internal and insertion differential-pressure assemblies for low-velocity gas in large circular and rectangular ducts.

Accuracy: Project-specific; stated after representative calibration or approved site correlationTurndown: Engineered from minimum usable DP, gas density, transmitter rangeability and validated operating envelopeRange: Round DN500–DN4000; rectangular 600 × 600 to 3600 × 3600 mm typical family envelope

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Kármán-vortex measurement for steam, gas and clean liquids

Vortex Flow Meters

No moving parts · optional pressure and temperature compensation

Shizhong-manufactured full-bore vortex-shedding flowmeters for steady, single-phase steam, gas and clean-liquid service, with volumetric output and optional pressure/temperature compensation.

Accuracy: ±0.5% or ±1.0% of reading classes under defined conditions; final guarantee by model, medium, size and calibration basisTurndown: 8:1–16:1 typical source-family range; limited by Reynolds number, velocity, vibration and signal thresholdRange: DN25–DN300 full-bore standard family; larger insertion designs by separate project review

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