Boiler feedwater and steam instrumentation

Instrumentation for a packaged steam boiler house: drum level with three-element control, feedwater flow, steam pressure and flow, and an independent low-water trip, documented from P&ID to loop diagrams and hookups.

SheetSP-06

RevA

ServiceINSTRUMENTATION

ScaleNTS

Specification

Standard

ISA-5.1 · ISA-5.4

Scope

52 instruments · 4–20 mA / HART · 3-element drum level

Sheets

24 HOLD

Platform

AutoCAD Electrical HOLD

Deliverables

P&IDs for feedwater and steam
Instrument index and datasheet summary
Loop diagrams (ISA-5.4)
Cause and effect chart
Hookup details
Junction box layouts and cable schedule

Preview · I-301

SP-06 · I-301 · NTS

Drawing index

Sheet	Title
I-001	Cover sheet and drawing index
I-101	P&ID: feedwater system
I-102	P&ID: boiler drum and steam header
I-201	Instrument index
I-202	Cause and effect chart
I-301	Loop diagram: LT-101 drum level
I-302	Loop diagram: FT-102 feedwater flow
I-303	Loop diagram: FT-103 steam flow
I-304	Loop diagram: LSLL-104 low-water trip
I-401	Hookup: level transmitter
I-501	Junction box JB-101 / JB-102
I-601	Cable schedule

Drawing sheets

Sheet image
to come

I-101P&ID: feedwater system

Sheet image
to come

I-102P&ID: boiler drum and steam header

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to come

I-201Instrument index

Sheet image
to come

I-202Cause and effect chart

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This is an original sample project made for this portfolio. It is not client work and is not issued for construction.

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Drawn byTCE

Date2026-10-03

SheetSP-06

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