Steam Piping Systems
Insul-Pipe Systems offers a full range of pre-insulated piping systems for underground steam piping. The systems are comprised of a specified carrier pipe pre-insulated with mineral wool or calcium silicate insulation and jacketed with epoxy coated steel or double jacketed with an inner steel conduit and an outer HDPE jacket.
The system features:
- Drainable/dryable Class A insulated systems or standard epoxy coated steel jacketed systems.
- Engineered coupling and fitting insulation kits providing the same level of moisture protection.
- This system can also be provided with prefabricated and pre-insulated fittings
We can manufacture Insul-Pipe Systems Steam Systems to meet job specifications using a carrier pipe of:
Table Sizes and Measures
| Steel x PVC Jacket |
|
Pipe Size |
Conduit Insulation |
Conduit Size |
Jacket Insulation |
Jacket Size |
|
1” |
2.00 |
6.625 |
1.55 |
10.00 |
|
|
|
|
|
|
|
|
|
|
|
|
|
3” |
|
|
|
|
|
4” |
|
10.75 |
|
14.06 |
|
6” |
|
12.75 |
|
15.87 |
|
8” |
|
14.00 |
|
17.83 |
|
10” |
|
16.00 |
|
19.80 |
|
12” |
|
18.00 |
|
22.17 |
Sample Submittal Specifications
PIPING SYSTEM: Underground, pre-insulated hot water supply and return piping.
CARRIER PIPE: Steel – ASTM A-53 Grade B, ERW Sch 40 thru 10” and standard wall for sizes 12” and larger; or Type K or L copper; or gasketed or solvent weld PVC; or Ductile Iron.
OUTER JACKET: Seamless, low pressure rated PVC or HDPE, or Fiberglass
INSULATION: Polyurethane, 2.5 PCF density, 90 to 95% closed cell, poured in place, “K” = .13 per inch @75 degrees F.
END SEALS: Factory applied, waterproof mastic covering the urethane insulation at each end of each joint of pipe and bonded both to the carrier pipe and the outer jacket. COUPLINGS: Coupling insulation kits are urethane components field mixed and poured into a PVC mold sealed to form a watertight seal.
FITTINGS: Fitting insulation kits are urethane components field mixed and poured into a PVC molded fitting cover then taped to form a watertight seal.
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