Description / Features

The MaxSpan R.H. thermal hanger shield is specifically designed to provide a superior safety margin for pipe mounted on pipe rollers, flat surfaces or with supports where point loading may be a concern. These rugged units allow hanger spans up to the maximum allowed in Table 3 of the MSS SP-69. They are appropriate for either hot or cold pipe systems. The insulation and vapor barrier extend beyond the galvanized steel shield for a neat, vapor-tight joint with the adjoining insulation. Units for pipe 4” and larger include a wear/weight distribution plate of carbon steel (primer painted). Additionally, a segment of ultra high density, 900 PSI calcium silicate is fabricated into units for 10” pipe size and larger. The MaxSpan R.H. meets or exceeds the MSS standard for Type 40 Shields per MSS SP58, Paragraph 9.2.2.

Applications

• For indoor use on all roller hanger systems and flat surfaces (see WeatherShield Upgrade data page for outdoor applications).
• Chilled to steam piping and dual temperature lines.
• Hanger spans per MSS SP-69 Table 3.
• Available for pipes 1/2 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, Smoke Developed -0-.
• Adhesive complying with NFPA 90-A and ASTM E-84, Flame Spread -10-, Smoke Developed -0-.
• G-90 Galvanized steel shield, small check per ASTM A-527.
• Wear/Weight Distribution Plate - carbon steel meeting ASTM A-36.
• Vapor Barrier of all service jacket meeting ASTM D-774, D-828 and E-84.
• Structural insert (10" pipe and larger) minimum 900 PSI calcium silicate.
• All units and components are asbestos free and 100% made and assembled in the U.S.A.

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