Armacell ARMA-APT21012 Ap Armaflex Pipe Cover 2.5 in Ips

Product Description

The Armacell ARMA-APT21012 is a closed-cell elastomeric foam pipe cover from the AP ArmaFlex line, designed to insulate mechanical piping systems in commercial and industrial applications. It fits 2-1/2 inch IPS pipe with a 2-7/8 inch inside diameter and a 1/2 inch wall thickness. Each section is 6 feet long. The closed-cell foam construction provides an R-value of 3.2 and a water vapor permeability of 0.08 perm-in, effectively resisting moisture migration and condensation formation on pipe surfaces. Licensed HVAC technicians, pipefitters, and mechanical insulation contractors install this product on chilled water, refrigeration, and hot and cold water piping systems.

This pipe cover is suited for a wide range of mechanical piping applications including refrigeration lines, chilled water systems, hot and cold water piping, HVAC air plenums, exposed ceilings, and exterior piping. It is commonly specified in schools, universities, hospitals, government buildings, and commercial facilities where long-term thermal performance and condensation control are required. Its temperature rating of -297 to 220 degrees F makes it appropriate for both low-temperature refrigeration lines and standard HVAC piping in demanding environments.

Key Features

• Closed-cell elastomeric foam resists moisture absorption at 0.2 percent water absorption
• R-value of 3.2 for effective thermal insulation at 1/2 inch wall thickness
• Temperature rating of -297 to 220 degrees F for refrigeration and HVAC service
• Flame Spread Index of 25 and Smoke Developed Index of 50 for code-sensitive installations
• Thermal conductivity of 0.235 to 0.268 Btu-in/hr-sq-ft-degrees F
• Domestic manufacture

Compatibility

Designed for use on 2-1/2 inch IPS pipe with a 2-7/8 inch outside diameter. Suitable for refrigeration lines, hot and cold water piping, HVAC systems, exposed ceilings, air plenums, industrial and mechanical piping, and exterior applications.

Installation Notes

Installation is typically performed by licensed pipefitters or mechanical insulation contractors following applicable mechanical codes. Depressurize and drain or isolate the pipe section before applying insulation in service situations. Seams and butt joints should be sealed per the manufacturer and project specification requirements to maintain vapor barrier integrity. Do not compress the foam wall beyond the rated thickness, as this reduces the effective R-value and thermal performance.

Technical Specifications

• Inside Diameter: 2-7/8 inches
• Iron Pipe Size: 2-1/2 inches IPS
• Wall Thickness: 1/2 inch
• Length: 6 ft
• R-Value: R3.2
• Temperature Rating: -297 to 220 degrees F
• Thermal Conductivity: 0.235 to 0.268 Btu-in/hr-sq-ft-degrees F
• Water Vapor Permeability: 0.08 perm-in
• Water Absorption: 0.2 percent
• Flame Spread Index: 25
• Smoke Developed Index: 50
• Material: Elastomeric Foam
• Construction: Closed Cell
• Density: 3 to 6 cu-ft/lb
• Color: Black
• Country of Origin: Domestic

Standard Information

• Brand: Armacell
• Manufacturer Part Number: ARMA-APT21012