Prowirl O is ideally suited for reliable process control in demanding gas and steam applications with high process pressure. Moreover, its design ensures maximum safety in main and ancillary processes. With genuine loop-powered technology, Prowirl O 200 enables cost-effective and seamless integration into existing infrastructures. It offers highest operational safety in hazardous areas. Heartbeat Technology enables process safety at all times.
Flowmeter optimized for requirements of high-pressure mating pipes. Better process control – integrated temperature and pressure measurement for steam and gases. The specialist for applications with high process pressure. Preferred measuring principle for wet/saturated/superheated steam, gases & liquids (also cryogenic). The specialist for applications with high process pressure.
DN 15 to 300 (½ to 12″)
Measuring tube: 1.4408 (CF3M)
DSC sensor: UNS N07718 similar to Alloy 718, 2.4668
Process connection: 1.4404/F316/F316L
Volume flow, mass flow, corrected volume flow, energy flow, heat flow difference, temperature
Volume flow (liquid): ±0.75 %
Volume flow (steam, gas): ±1.00 %
Mass flow (saturated steam): ±1.7% (temperature compensated); ±1.5% (temperature/pressure compensated)
Mass flow (superheated steam, gas): ±1.5 (temperature/pressure compensated); ±1.7% (temperature compensated + external pressure compensation)
Mass flow (liquid): ±0.85%
Liquid: 0.2 to 1895 m³/h (0.15 to 1115 ft³/min)
depending on medium: water with 1 bar a, 20 °C (14.5 psi a, 68° F)
Steam, gas: 1.5 to 25285 m³/h (0.9 to 14880 ft³/min)
depending on medium: steam with 180 °C, 10 bar a (356 °F, 145 psi a); air with 25 °C, 4.4 bar a (77 °F, 63.8 psi a)
PN 250, Class 1500, 40K
Standard: –40 to +260 °C (–40 to +500 °F)
High/low temperature (option): –200 to +400 °C (–328 to +752 °F)
Compact version (standard): –40 to +80 °C (–40 to +176 °F)
Compact version (option): –50 to +80 °C (–58 to +176 °F)
Remote version (standard): –40 to +85 °C (–40 to +185 °F)
Remote version (option): –50 to +85 °C (–58 to +185 °F)
Sensor connection housing: AlSi10Mg, coated; 1.4408 (CF3M)
AlSi10Mg, coated; 1.4404 (316L)
Compact version: IP66/67, type 4X enclosure
Sensor remote version: IP66/67, type 4X enclosure
Transmitter remote version: IP66/67, type 4X enclosure
4‐line backlit display with touch control (operation from outside)
Configuration via local display and operating tools possible
Remote display available
4‐20 mA HART (passive)
4‐20 mA (passive)
Pulse/frequency/switch output (passive)
4‐20 mA (passive)
HART, PROFIBUS PA, FOUNDATION Fieldbus
DC 12 to 35 V (4‐20 mA HART with/without pulse/frequency/switch output)
DC 12 to 30 V (4‐20 mA HART, 4‐20 mA)
DC 12 to 35 V (4‐20 mA HART, pulse/frequency/switch output, 4‐20 mA input)
DC 9 to 32 V (PROFIBUS PA, pulse/frequency/switch output)
ATEX, IECEx, cCSAus, JPN
CE, C-TICK, EAC, UK Ex
Functional safety according to IEC 61508, applicable in safety-relevant applications in accordance with IEC 61511
Calibration performed on accredited calibration facilities (acc. to ISO/IEC 17025)
Heartbeat Technology complies with the requirements for measurement traceability according to ISO 9001:2015 – Section 7.1.5.2 a (TÜV SÜD attestation)
ABS, LR, BV, DNV
PED, CRN
3.1 material
NACE MR0175/MR0103, PMI (on request); only Class 900/1500: welding test acc. to ISO 15614‐1, similar to ASME IX (on request)
Increased mechanical integrity for flow measurement – special sensor design. Same accuracy down to Re 10 000 – most linear Vortex meter body. Long-term stability – robust drift-free capacitive sensor. Saturated steam mass flow up to PN 250 (Class 1500). Full compliance with NACE (MR0175/MR0103). Flexible positioning of pressure cell.
Convenient device wiring – separate connection compartment. Safe operation – no need to open the device due to display with touch control, background lighting. Integrated verification – Heartbeat Technology. Display module with data transfer function. Robust dual-compartment housing. Plant safety: worldwide approvals (SIL, Haz. area).