DUAL-GARD™ DI is a cost effect factory preinsulated system for underground chilled water and low temperature hot water distribution. A ductile iron carrier pipe provides high corrosion resistance for underground applications.
DUAL-GARD™ DI is a cost effect factory preinsulated system for hot water or chilled water distribution. The system is provided with a ductile iron pipe based on pipe class: with or without internal lining on the carrier pipe inside an outer jacket. The system is supplied in 18 or 20 foot lengths depending on pipe manufacture. All fittings are supplied by installing contractor. Fittings may require a concrete thrust block poured around each change in direction. Restraint joint type fittings may not require concrete thrust blocks. Please consult fitting manufacture for installation guidelines. Pipe sizes are from 3" to 24", larger sizes are available in our XTRU-THERM® product line. Field joints are not insulated by design but can be provided as an option.
Temp Range: 32ºF to 250ºF based on carrier selected
Max Pressure: Determined by the carrier pipe selected
Pipe Sizes: 3" to 24"