Flowmetering Target flowmeters 3
Materials
* Sensor cable
* Pressure sensor
TVA flowmeter body
¼ " NPSM boss
Earth cables
3.3 3
Flowmeter stem
* 'U' syphon assembly
Electronics housing
* Items required for superheat operation
Unit
Part
Material
Flowmeter body
Stainless steel S.316 1.4408 CF8M
Internals
431 S29 / S303 / S304 / S316
TVA
Spring Inconel X750 or equivalent Flowmeter stem Stainless steel 300 series Electronics housing Aluminium LM25
Cable
Polyvinyl chloride (PVC)
Sensor housing
AISI 304 Stainless steel 1.4301
Pressure sensing kit
Sensor
AISI 630 Stainless steel 1.4542
'O' ring
Nitrile Butadiene Rubber (NBR)
Adaptor
AISI 431 Stainless steel 1.4057
Tube
Carbon steel BS 3602: Part.1 1987 CFS 360 (zinc plated / passivated)
High pressure syphon tube assembly
Body
Carbon steel
Valve
Seat
PEEK/ Polymain
TI-P192-01 MI Issue 4
Page 3 of 6
TVA Flowmeter for Saturated and Superheated Steam Service
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