Preinsulated FRP Pipe for Condensate, Low Temperature Hot Water and Chilled Water

Preinsulated Piping System for Buried Hot and Chilled Water, Domestic Hot Water and Condensate Lines to 250°F. PIPE JOINTS: DUAL-GARD 250 utilizes a bell and spigot FRP service pipe and joints are bonded with a special resin/catalyst adhesive to form a permanent pressure tight bond. Insulation of field joints is optional. TYPICAL UNIT 20' NOMINAL OVERALL LENGTH LAYING LENGTH INSULATION & JACKET PVC JACKET PERMA-PIPE® / RICWIL® DUAL-GARD 250® is a complete factory insulated and jacketed underground piping system for the distribution of chilled and low-temperature hot water and condensate up to...

TYPICAL HEAT GAIN / LOSS DATA Service pipe size (nominal) (in) Jacket size (nominal) (in) *Heat gain at Δ T30°F *Heat loss at Δ T150°F †Insulation thickness (in) EASY FIELD INSTALLATION For complete installation instructions see installation manual UNLOADING/HANDLING/STORAGE: DUAL-GARD 250 units are shipped carefully braced. Store field joint materials indoors, protected from weather until needed. Carefully unload units. Check against packing list during off loading. Units can be stockpiled or distributed along trenches. Stack carefully, never exceeding stacked height of 6 feet. Keep units off...

A. Depending upon field conditions alterations can be made by cutting either end of the unit. Determine the amount which the standard unit is to be shortened. Using this figure, measure back from the end of pipe to a point on the outer jacket and mark. Cut completely through. B. Measure back a dimension equal to factory-bare pipe end and cut through jacket only. Use care to avoid cutting inner pipe. Split jacket and polyurethane. Remove and discard. C. Apply moisture-protective seal in accordance with DUAL-GARD 250 Installation Manual. All necessary materials furnished by PERMA-PIPE. D. Remove...