ASPHALT PAVE OVER PREFORMED INDUCTIVE LOOP

FUNCTION: Traffic Detection

SPECIFICATIONS:

Conduit:

• Highly abrasion-resistant Polyurethane cover
• High tensile strength braided synthetic fiber reinforcement
• Excellent flexibility over a wide temperature range
• Minimum pressure of 9,000 psi (62,050kPa)
• Polyester core tube
• Max. o.d. of 5/8" (16 millimeter)

Wire:

• Loop wire is 16 gauge tffn/thhn stranded single conductor
• Number of wire turns to be determined by engineer or factory and will depend on, loop size, loop depth and site-specific requirements
• Lead-in wires are machine twisted at a minimum of 4 twists per foot (30 cm)
• One continuous wire is used in order to manufacture the loop and lead-in, no splices are used

Miscellaneous:

• Prevent moisture from entering the conduit
• Prevent false calls due to movement of the wire within the conduit
• Protect the wire from pavement movement and stress, thereby dramatically increasing the longevity of the loop

CONCRETE OVERLAY PREFORMED INDUCTIVE LOOP

FUNCTION: Traffic Detection

SPECIFICATIONS:

Conduit:

• Highly abrasion-resistant Polyurethane alloy cover
• High tensile strength yarn reinforcement
• Excellent flexibility over a wide temperature range
• Minimum pressure of 990 psi (6,826 kPa)
• Polyurethane alloy core tube
• Max. o.d. of 5/8" (16 millimeter)

Wire:

• Loop wire is 16 gauge tffn/thhn stranded single conductor
• Number of wire turns to be determined by engineer or factory and will depend on loop size, loop depth, presence of reinforcing steel and site-specific requirements
• Lead-in wires are machine twisted at a minimum of 4 twists per foot (30 cm)
• One continuous wire is used in order to manufacture the loop and lead-in. No splices are used

Miscellaneous:

ENTIRE loop AND lead is filled with a flexible rubber asphalt emulsion to:

• Prevent moisture from entering the conduit
• Prevent false calls due to movement of the wire within the conduit
• Protect the wire from pavement movement and stress, thereby dramatically increasing the longevity of the loop

CUT-IN, ASPHALT PAVE OVER, CONCRETE OVERLAY, TEMPORARY ABOVE-GROUND INSTALLATION

FUNCTION: Traffic Detection

SPECIFICATIONS:

Conduit:

• Highly abrasion-resistant Nylon alloy cover
• High tensile strength braided synthetic fiber reinforcement. Excellent flexibility over a wide temperature range
• Minimum pressure of 1400 psi (9,653 kPa)
• Nylon alloy core tube
• Superior resistance to oil, gasoline, salt, moisture and impact
• Max. o.d. of 3/8" (9.5 millimeter)

Wire:

• Loop wire is 20 gauge silver coated with Teflon jacket, stranded, single conductor wire
• Number of wire turns to be determined by engineer or factory and will depend on loop size, loop depth, presence of reinforcing steel and site-specific requirements
• Lead-in wires are machine twisted at a minimum of 4 twists per foot (30 cm)
• One continuous wire is used in order to manufacture the loop and lead-in. No splices are used

Miscellaneous:

ENTIRE loop AND lead is filled with a flexible rubber asphalt emulsion to:

• Prevent moisture from entering the conduit
• Prevent false calls due to movement of the wire within the conduit
• Protect the wire from pavement movement and stress, thereby dramatically increasing the longevity of the loop