Shannon Safety Spray Shield

SSS-500-TAFT (SSS-260C-TAFT)

INTRODUCTION

Shannon Safety Shields are a CAD designed, CNC produced, high quality custom fit protective composite jacketing. Safety Shields are designed to address potential flange rupture leaks, deflect potential affluent and contain liquid discharge, protecting the surrounding work environment. Shannon Safety Shields are weather and chemical resistant. Shannon Safety Shields are flexible and easy to install, remove and reinstall allowing quick access and easy equipment serviceability. The key benefit is re-usability and risk mitigation.

Engineering Standards
Shannon Safety Shields follow the ASTM D3786 Mullen Burst Test per ASTM F1138 (Spray Shields for Mechanical Joints)

Applications and Markets:
Applications include: Valves, Flanges, Equipment & Equipment Heads, Instrumentation and Complex Surfaces that otherwise are left untreated. Markets include: Chemical and Petro Chemical Processing Plants.

Service Temperature:
This design is to act as a Thermal Barrier with a maximum service temperature of 260˚C (500˚F).

Product Components
1 (each) Layer – 16.5 oz/yd² (560g/m²) PTFE Teflon® Impregnated Fiberglass Cloth
1 (each) Layer – 21.5 oz/yd² (731g/m²) Aluminum Foil Laminate Fiberglass Cloth
1 (each) Layer Stainless Steel Foil Type-304 – 0.002” (0.05mm) Thickness
1 (each) Layer – 16.5 oz/yd² (560g/m²) PTFE Teflon® Impregnated Fiberglass Cloth
4 (each) layers of fabric are sewn together, producing a Self-Contained Fabric Sleeve.

Pig Launcher – Head
Shannon Spray Shield Thickness to Surface Condition
(Optional) 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)

* 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.

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