Fiberglass ASJ

BRAND: Johns ManvilleSKU: FG-3 SIZES STOCKED

AT A GLANCE

Max temp850°F

FormPre-formed pipe

Size1-1/2" (stocked); 1/2"–3" available

FacingASJ (all-service jacket) with self-sealing lap

Pre-formed fiberglass pipe insulation with factory-applied all-service jacket (ASJ) and self-sealing lap for mechanical and process piping from 0°F to 850°F.

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↓ SPEC SHEET (PDF)↓ SDS (PDF)

STOCKED SIZES3 SIZES

Sizes are pipe inner diameter × insulation wall thickness. A 2" × 2.5" fits a 2" pipe with a 2.5" wall.

SOLD BY

TECHNICAL DATA

StandardASTM C547 Type I, Class 3

Thermal conductivity (k)0.23 @ 75°F

Flame / smoke25 / 50 (ASTM E84 / UL 723)

Water-vapor sorption≤5% by wt (ASTM C1104)

CombustibilityPlain: non-combustible (ASTM E136); jacketed: limited-combustible, 25/50

APPLICATIONS

Hot and chilled water
Steam and condensate
Domestic hot water and HVAC piping
Process piping to 850°F

THERMAL CONDUCTIVITY — K VS. MEAN TEMPBTU·IN/HR·FT²·°F

MEAN °F

200

300

400

500

k value

0.23

0.28

0.34

0.44

0.55

FEATURES

0°F to 850°F service
k = 0.23 @ 75°F
25/50 flame-smoke rated
Self-sealing ASJ lap speeds installation
ASTM C795-compliant over stainless

PACKAGING & PAIRS WITH

PackagingCartoned 3 ft sections with self-sealing lap

Handling & storageKeep dry; store indoors; do not stand sections on end

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