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MID TEMP THERMAL PROCESS BLANKET
LT550TTM (LT288C-TTM)
INTRODUCTION
Shannon Thermal Blankets are a CAD designed, CNC produced, high quality pre-engineered insulation system designed to save energy, retain radiant heat, minimize insulation maintenance and improve the surrounding work environment. Shannon is capable of withstanding severe weather and chemical environments. Shannon is flexible and easy to install, easy to remove and reinstall allowing quick access and easy equipment serviceability. The key benefit is re-usability.
Common Applications and Markets:
Shannon Thermal Blanket Applications include: Valves, Flanges, Pumps, Steam Turbines, Equipment Heads and it serves as an all purpose blanket. Shannon Thermal Blanket Markets include: Chemical and Petro Chemical Processing Plants.
Service Temperature
Steam & Process Systems – This design is to act as a Thermal Barrier with a maximum service temperature of 550˚F (288˚C).
Product Components
The Outer and Inner Jacket is a 16.5oz/yd² (560g/m²) PTFE Teflon® Impregnated Fiberglass Cloth. The Insulation Material is an 11lb/ft3 (176.2 kg/m³ ) Fiberglass Needled Mat-Type E Fiber. The inner jacket also has a layer of Stainless Steel Type 304 Knitted Wire Mesh. The Fiberglass Mat is encapsulated by the PTFE Teflon ® Impregnated Fiberglass Cloth and Wire Mesh and sewn together, producing a Self Contained Blanket System. The Shannon Blanket System includes Integral Fasteners for install & removal.
Multi-Stage Feed Water Pump – Paper Mill
BLANKET THICKNESS SURFACE TEMPERATURE REFERENCE
Operating Temp |
Thickness |
Surface Temp |
Thickness |
Surface Temp |
Thickness |
Surface Temp |
|---|---|---|---|---|---|---|
| 121˚ C (250˚ F) | 25 mm( 1″) | 37.9˚ C (100.2˚ F) | 40 mm( 1.5″) | 33.3˚ C (92.0˚ F) | 50 mm (2″) | 30.8˚ C (87.4˚ F) |
| 149˚ C (300˚ F) | 25 mm( 1″) | 42.6˚ C (108.6˚ F) | 40 mm( 1.5″) | 36.8˚ C (98.2˚ F) | 50 mm (2″) | 33.5˚ C (92.3˚ F) |
| 177˚ C (350˚ F) | 25 mm( 1″) | 47.3 ˚C (117.2˚ F) | 40 mm( 1.5″) | 40.3˚ C (104.6˚ F) | 50 mm (2″) | 36.3˚ C (97.4˚ F) |
| 204˚ C (400˚ F) | 25 mm( 1″) | 52.2˚ C (126.0˚ F) | 40 mm( 1.5″) | 44.0 ˚C (111.2˚ F) | 50 mm (2″) | 39.3 ˚C (102.7˚ F) |
| 232˚ C (450˚ F) | 25 mm( 1″) | 57.2˚ C (135.1˚ F) | 40 mm( 1.5″) | 47.8 ˚C (118.0˚ F) | 50 mm (2″) | 42.3 ˚C (108.2˚ F) |
| 260˚ C (500˚ F) | 25 mm( 1″) | 62.5˚ C (144.5˚ F) | 40 mm( 1.5″) | 51.7 ˚C (125.1˚ F) | 50 mm (2″) | 45.5 ˚C (113.9˚ F) |
| 287.8˚ C (550˚ F) | 25 mm( 1″) | 67.9˚ C (154.2˚ F) | 40 mm( 1.5″) | 55.8 ˚C (132.4˚ F) | 50 mm (2″) | 48.9 ˚C (119.9˚ F) |
* The above referenced Cold Face Surface Temperatures should be used as guidelines for blanket insulation thickness design.
* The Cold Face Surface Temperature of the blanket should approach surrounding ambient temperature conditions.
* The economic thickness of the blanket should consider blanket cost, thermal performance and blanket design constraints.
* Heat loss calculations are based on a 21.1˚ C (70˚ F) ambient temperature using a flat surface condition.