TVA Flowmeters
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Overview
Accurate and reliable measurement of your entire steam flow.
Unlike alternative technologies, the TVA Flowmeter allows you to measure the complete flow range.
Capturing all steam used within your maximum and minimum flowrate, allowing accurate and comprehensive steam energy management.
Measures your entire steam flow range.
50:1 turndown at best practice steam velocities.
Highly accurate - measurement helps to identify energy saving and waste reduction opportunities.
Easy integration and installation - within host control system and existing pipework.
Long operating life - well proven and highly robust design gives excellent reliability.
Low cost of ownership - with quick installation combined with excellent reliability.
TVA Flowmeter
Technical Information
Sizes and pipe connection |
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Technical data |
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DN50, DN80 and DN100 |
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IP rating |
IP65 with correct cable glands |
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The TVA flowmeter is of wafer design, suitable for fitting between the following flanges: |
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Power supply |
Loop powered |
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EN 1092 PN16, PN25 and PN40 |
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with optional RS485: 24VDC |
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BS 10 Table H |
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ASME B 16.5 Class 150 and Class 300 |
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Outputs |
4-20mA (not available with RS485 option) |
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Japanese Industrial Standard JIS 20 |
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Pulsed output (Vmax 28 Vdc Rmin 10 kW) |
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Korean Standard KS 20 |
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Communication port |
Modbus EIA 232C (RS 232C) |
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Note: Spirax Sarco TVA flowmeters should be installed in pipework manufactured to BS 1600, ASME B 36.10 Schedule 40 or EN 10216-2 / EN 10216-5 equivalent. For systems with different standards / schedules, please contact Spirax Sarco. |
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with optional RS485: EIA 485 (RS 485C) |
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Materials |
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Unit |
Part |
Material |
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TVA |
Flowmeter body |
Stainless steel S.316 1.4408 CF8M |
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Internals |
431 S29 / S303 / S304 / S316 |
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Spring |
Inconel X750 or equivalent |
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Flowmeter stem |
Stainless steel 300 series |
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Electronics housing |
Aluminium LM25 |
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Pressure sensing kit |
Cable |
Polyvinyl chloride (PVC) |
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Sensor housing |
AISI 304 Stainless steel 1.4301 |
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Sensor |
AISI 630 Stainless steel 1.4542 |
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O' ring |
Nitrile Butadiene Rubber (NBR) |
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Adaptor |
AISI 431 Stainless steel 1.4057 |
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High pressure syphon tube assembly |
Tube |
Carbon steel BS 3602: Part.1 1987 CFS 360 (zinc plated / passivated) |
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Valve |
Body |
Carbon steel |
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Seat |
PEEK/ Polymain |
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Typical Installation
Technical Documentation
Title
TVA Flowmeter for Saturated and Superheat Steam Service
reference number
TI-P192-01
language
English
Contents
- Description
- Pressure/temperature limits
- Sizes and pipe connections
Download
Installation Documentation
| document | language | reference number | download |
|---|---|---|---|
| Superheat kit for TVA flowmeters | English | IM-P192-07 | Download PDF |
| TVA Flowmeter Commissioning Flow Chart | English | IM-P192-03 | Download PDF |
| TVA Flowmeter Commissioning Flow Chart | English | IM-P192-15 | Download PDF |
| TVA Flowmeter for Saturated and Superheated Steam Service Essential Installation Guide | English | IM-P192-04 | Download PDF |
| TVA Flowmeter for Saturated and Superheated Steam Service with Version 9 software onwards | English | IM-P192-11 | Download PDF |
| TVA Flowmeter for Saturated and Superheated Steam Service with Version 9 Software Onwards | English | IM-P192-13 | Download PDF |
| TVA Flowmeter for Saturated Steam Service | English | IM-P337-51 | Download PDF |