Preinsulated Pipe for Distribution of Fluids up to 250°F

Terra-Gard™ can be furnished with any service pipe to customers’ specifications. Choose from steel, copper, stainless steel, aluminum, brass, polyvinyl chloride, fiberglass reinforced polyester and others. Consult PERMA-PIPE® engineering for service pipe pressure and temperature limitations. Standard Terra-Gard jacket material is extruded white PVC (polyvinyl chloride) ASTM, D1784 class 12454-B. Polyethylene black industrial grade extruded high density jacket is also available. Jacket serves as a tough moisture resistant vapor barrier and when filled with urethane, will met the H-20 highway loading...

Typical Heat Gain/Loss Data Nominal Pipe Size (in.) Nominal Jacket Size (in.) Jacket Wall (in.) Insulation Thickness (in.) Heat Gain at Δ T30F Heat Loss at Δ T150 F Above heat gains/losses are BTU/Lin, Ft./Hr. Unit Description Expansion/Contraction Allowance for pipe expansion and/or contraction is accommodated at elbows using field installed flexible expansion cushions. All accessories, such as elbows, expansion loops and anchor units, are supplied preinsulated and prefabricated and are part-numbered in accordance with installation drawings to expedite system installation. Terra-Gard straight...

Easy Field Installation Terra-Gard Unit Joining Method Split PVC jacket sleeve must be slid over the end of unit prior to connection of service pipe. Connect service pipe and hydrostatically test pipe as specified. Center split jacket over joint area and hold in position with fiberglass tape. Split located at 1 to 2 o’clock position. After mixing A & B components, pour urethane foam into cavity. Trim cured urethane with jacket. Center heat actuated shrink blanket over split jacket and position lap of shrink blanket over split in jacket to provide double layer protection. Using a soft orange flame...