Both pvc and hdpe are acceptable materials for temperatures up to 150e f.
Underground pvc hvac ductwork.
Standard pvc cement and primer can be used for installation.
Pvs ductwork is specified by more engineers and architects than any other underground hvac duct system.
Pvc duct pipe has excellent chemical resistance to most fumes gases and media.
The duct is available in sizes ranging from 4 inches through 24 inches.
Underground duct pvs polyvinyl steel coated underground hvac duct also known as pcd pvc coated and pvcs is ul listed and specified more often by architects engineers and contractors than any other underground air delivery system because it offers both the strength of steel and the inertness of plastic.
Over time metal ductwork can rust and will need to be replaced.
The kroy industries heat air duct system utilizes polyvinyl chloride pvc tubing type sdr 81 for underground duct in heating and cooling ducting systems.
Most commonly used in industrial hvac applications for new constructions.
This would be required for any underground plastic duct system.
Standard furnaces and air handlers for hvac systems limit the outlet temperature to less than 150e f.
Aqc industries is a leading manufacturer and innovator of the blueduct underground air duct systems for heating ventilation and cooling hvac.
In homes pvc ductwork can allow a heating and cooling system to run beneath the house without being corroded by moisture or even radon.
The blueduct is the only proven direct burial underground duct system made from ultra durable advanced hdpe high density polyethylene.
Is an industry leader manufacturing pvs underground hvac ductwork.
The sizes range from 2 up to 60 in diameter.
Ultimately you could save money with pvc ductwork.
Also known as pvs or pcd polyvinyl coated steel duct and fittings.
The maximum duct temperature for plastic ducts shall not be greater than 150 f 66 c.
Spiral manufacturing co inc.
Durability pvs ductwork is a rugged durable material that will take ordinary shipping and handling without damage.
Metal ducts shall be protected from corrosion in an approved manner or shall be completely encased in concrete not less than 2 inches 51 mm thick.
In addition to providing the industry with sheetmetal fittings our coated duct is compatible with hundreds of chemicals for exhaust and make up air systems.
The smooth interior of the plastic duct has minimal friction resistance to air flow.
Pvs ductwork needs no protection in the earth from sand concrete or plaster.
The blueduct underground duct for hvac is the only proven direct burial underground duct system made from ultra durable advanced hdpe high density polyethylene.
Underground duct systems shall be constructed of approved concrete clay metal or plastic.