Description / Features

 MaxSpan thermal hanger shields are designed to provide a superior safety margin when supporting pipe with hanger spans up to the maximum allowed in Table 3 of the MSS SP-69. Like the Pro-Shield^™ and Pro-Shield N.T.^™ these 360^o thermal hanger shields provide a continuous section of insulation and vapor barrier through a wide variety of pipe hangers and can be used on piping systems operating between +20^o F. and +1200^o F. The insulation and vapor barrier extend beyond the galvanized steel shield for a neat, vapor-tight joint with the adjoining insulation. To achieve the protection required by long hanger spans, the MaxSpan^™ thermal hanger shields utilize heavier gauge shields, and 900 PSI structural inserts (10” pipe and larger).

Applications

• For indoor use on all band and clamping hanger systems (see WeatherShield Upgrade data sheet for  outdoor applications).
• Chilled to steam piping and dual temperature lines.
• Hanger spans per MSS SP-69 Table 3.
• Available for pipe 4 inch through 30 inches.
• Insulation thickness 1/2 inch through 4 inches.

Materials / Construction

• 135 PSI Calcium silicate meeting ASTM C-533, C-585, C-795, E-84, Flame Spread -0-, Smoke   Developed -0-, Thermal Conductivity ('k') .40 @ 75 F mean.
• Adhesive complying to NFPA 90-A and ASTM E-84, Flame Spread -10-, Smoke Developed -0-.
• G-90 Galvanized steel shield, small check per ASTM A-527.
• Vapor barrier of all service jacket meeting ASTM D-774, D-828 and E-84, Flame Spread -5-, Smoke Developed -5-.
• Structural insert minimum 900 PSI calcium silicate meeting ASTM C-533, C-795 and E-84, Flame Spread -0-, Smoke Developed -0-.
• All units and components are asbestos free and 100% made and assembled in the U.S.A.

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