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PVC Pipes from Tricon Piping Systems
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| May 16, 2022 |
Overview
APPLICATION: Chilled Water, Condenser Water, Potable Water, Waste Water, Process Piping
SERVICE PIPE: PVC Sch. 40, Sch. 80, SDR-21, SDR-26, SDR-35
INSULATION: Polyurethane Foam
JACKETING: HDPE / PVC / FRP / Galvanized / Stainless Steel / Aluminum
TEMP: 40°F - 75°F / 5 °C - 24°C
NOM. LENGTH: 20 Ft. (13/14 Ft. for SDR-35)
System Specifications
| Pipe Size | Minimal Insulation Thickness | PVC Jacket O.D. | PVC Jacket Wall |
| 2” | 1.81” | 6.14” | .070” |
| 3” | 1.25” | 6.14” | .070” |
| 4” | 1.75” | 8.16” | .080” |
| 6” | 1.69” | 10.20” | .100” |
| 8” | 1.69” | 12.24” | .120” |
| 10” | 1.65” | 14.32” | .140” |
| 12” | 1.47” | 16.00” | .160” |
| Pipe Size | Minimal Insulation Thickness | HDPE Jacket O.D. | HDPE Jacket Wall |
| 2” | 2.00” | 6.63” | .150” |
| 3” | 1.43” | 6.63” | .150” |
| 4” | 1.58” | 8.00” | .150” |
| 6” | 1.51” | 10.00” | .175” |
| 8” | 1.69” | 12.43” | .175” |
| 10” | 1.48” | 14.06” | .175” |
| 12” | 1.39” | 15.87” | .175” |
Service Pipe:
PVC SDR-26, Class 160, bell and spigot, gasket joint pipe per ASTM D-2241 and D-1784 supplied in nominal 20 Ft. lengths. Pipe is rated for 160 psi @73°F.
Alternate Service Pipe #1: PVC SDR-21, Class 200, bell and spigot, gasket joint pipe per ASTM D-2241 and D-1784 supplied in nominal 20 Ft. lengths. Pipe is rated for 200 psi @73°F.
Alternate Service Pipe #2: PVC SDR-35, Sanitary Sewer & Storm Drainage, bell and spigot, gasket joint pipe per ASTM D-3034 and D-1784 supplied in nominal 13/14 Ft. lengths. Pipe is not rated for pressure.
Alternate Service Pipe #3: SCH. 40, / Sch. 80 solvent weld joint. Supplied in nominal 20 Ft. lengths.
Insulation:
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
Exterior Casing:*
The exterior casing shall be
- Seamless, extruded white PVC Type 1, Grade 1 Class 12454-B per ASTM D-1784 or
- High Density Polyethylene (H.D.P.E.) ASTM D-1248 with the following physical properties:
- ASTM D-3350…Resin Type III, Grade P34
- ASTM D-638…Ultimate Elongation 850%
- ASTM D-638…Tensile Yield Strength 3300 psi
- ASTM D-790…Tangent Flexural Modules 175,000 psi
No polyethylene tape casings will be allowed.
Fittings:
All fittings below 10” shall be PVC with a gasket joint. Fittings 10” and greater, may be Ductile Iron. Fittings are to remain un-insulated and poured in a concrete thrust block. Concrete thrust block design is dependant upon soil conditions, size of pipe and force due to thermal stress. Design and sizing of anchor blocks remains the responsibility of the design engineer.
Field Joints:
Field Joints for underground applications of gasketed joint pipe are to remain un-insulated to allow for expansion and contraction. Joints may be covered to keep out debris or moisture with an oversized sleeve and sealed with tape or heat shrink sleeve. Insulation at ends of pipe to be sealed with mastic or heat shrinkable end seal.
Installation:
No Piping shall be installed in standing water. Trenches shall be maintained dry until final field closure is complete. 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 carrier piping shall be hydrostatically tested as specified in the contract documents. Each unit length must be partially backfilled prior to hydro testing. EXERCISE DUE CARE WHEN INSTALLING AND TESTING THE PIPING SYSTEM. DO NOT TEST WITH AIR OR GAS.
Backfill:
A 4-inch layer of sand or fine gravel shall be placed and tamped in the trench to provide stable and uniform bedding for the piping system. Once the system is in place, the trenches shall be carefully backfilled and hand tamped in 6” layers until a cover of at least 24” from the top of the pipe has been achieved. The first 12” of backfill shall be sand or fine gravel less than ½” in diameter. The remainder of the backfill shall be void of rocks, frozen earth and foreign material over 6” in diameter. The trench shall be compacted to comply with H-20 Highway loading.
Accessories:
- Heat Tracing
System Options:
- *Optional metallic casings for above ground applications include, Spiral Lockseam in Galvanized, Aluminum or Stainless Steel.
- *Optional non-metallic casings for below grade offered include, Filament Wound FRP.
Contact your Tricon representative for available sizes and system options.
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