architecture - engineering - construction
Sub-Zero Pipe System for CO2, LN2, Refrigeration
- APPLICATION: CO2, LN2, Refrigeration
- SERVICE PIPE: Copper, Stainless Steel, Carbon Steel
- INSULATION: Polyurethane Foam
- JACKETING: PVC
- TEMP: Down to -350°F / -212°C
- NOM. LENGTH: 20 Ft.
Carbon steel service pipe shall be standard weight A333 welded or seamless beveled for welding. Copper service pipe shall be Type “K”, hard drawn copper tubing to ASTM B-88 and WWT-799. Straight lengths of piping will be supplied in 20 ft. lengths. Straight lengths of piping will be supplied with 6” of piping exposed at each end for field joint fabrication.
The insulation shall be a foamed in place closed cell polyurethane which completely fills the annular space between the carrier pipe and the exterior casing. The insulation shall have the following physical properties:
- Minimum Density (lb./cu. ft.) 2.0 ASTM D-1621
- 90-95 % Closed Cell ASTM D-2856
- “K” Factor BTU/Hr. sq. ft. °F/in. . . .147 ASTM C-177
The exterior casing shall be seamless, extruded white PVC Type 1, Grade 1, Class 12454-B per ASTM D-1784
All fittings, anchors, end seals, other accessories shall be prefabricated or field fabricated dependant upon engineer’s option and/or site conditions.
After welding and hydrostatic testing, PVC jacketed straight field joints shall be insulated with polyurethane foam to the thickness specified, PVC sleeve and pressure sensitive tape.
The installing contractor shall handle the piping system in accordance with the directions furnished by the manufacturer and as approved by the architect and engineer. The service piping shall be hydrostatically tested to 1-1/2 times the operating pressure, or as specified in the contract documents. The test shall be maintained for a minimum time of 1 hour. EXERCISE DUE CARE WHEN INSTALLING AND TESTING THE PIPING SYSTEM.
*Optional metallic casings for above grade include Spiral Lockseam in Galvanized, Aluminum Stainless Steel.
Download Tricon Sub-Zero Pipe System Specifications Sheet
About Tricon Piping
Tricon Piping Systems, Inc. is a leading manufacturer of prefabricated, preinsulated, secondary containment, and conduit piping systems for industrial and commercial applications.
Other services and products available:
- Electric or Steam Heat Trace
- Leak Detection
- Cathodic Protection
- Computer Aided Engineering Drawings
#Tricon #Piping #Prefabricated #Preinsulated #Heating #Cooling #Containment
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