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The MACOMB GROUP B3151-29Z Insulation Protection Shield, from the Series B3151, is designed to protect insulation. It has a nominal size of 30 IN, an inside diameter of 27 IN, and a 12 GA gauge. Constructed from low carbon steel with ASTM A653 coating, it meets MSS ANSI/SP-69, SP-58 Type 40, and Federal Specification A-A-1192A Type 40 industry standards. The shield is 24 IN in length and has a shield number of 29E.
Protects insulation in insulated pipe lines with flared ends for suspension.
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