F3 HRSG — Expansion Joint Trench · Typical Section

4 non-metallic bellows · Ø415–623 mm · Top = 190°C · IP Drum Header · Fujairah

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Expansion joint (bare fabric)
Inzonex Modular Insulation
Click to inspect
Heat radiation · 190°C
BEFORE
AFTER · INZONEX
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HRSG TOP DECK · IP DRUM HEADER PIPE SUPPORT FLOOR — LOWER GALLERY EJ-M1-U1S EJ-M2-U1S EJ-M3-U2S EJ-M4-U1S H=600 mm · Ø415 mm H=600 mm · Ø415 mm H=600 mm · Ø503 mm H=600 mm · Ø415 mm Typical trench section · 4 non-metallic expansion joints · similar configurations in different combinations repeat across the F3 project 190°C 190°C 190°C 190°C ≤55°C ≤55°C ≤55°C ≤55°C ! ! ! !

Type
Diameter × Height
Surface (bare)190°C
Surface (insulated)≤ 55°C
Heat loss (bare)
Heat loss (insulated)
Reduction96.8%
Annual saving
StandardISO 12241
654
components total
Project Scope
96.8%
heat loss reduction per bellows
Per Component
1.13M AED
per year · full project
Annual Savings
−6.5 kJ/kWh
net heat rate improvement (LHV) · ~0.10%
Plant Efficiency
⚡
Snap-Fit Assembly
AISI 316 stainless snap fasteners. Tool-free in seconds. 6× faster than wire-tied mats.
♻
Replaceable Core
Outer shell stays in place. Inner insulation core replaced independently. Minimal lifecycle cost.
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Patent Protected
UK Patent GB2508992.1. Proprietary modular architecture with snap-fastening system.
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No Shutdown Required
Install during normal operation. Zero impact on HRSG output or plant availability.