Fig. 183: Pipe Insulation Protection Shield
MATERIAL: Carbon steel
FINISH: Galvanized and black
SIZE RANGE: For use with ½” thru 24” pipe with insulation thickness ½”, 3/4”, 1”, 1 ½” and 2”.
SERVICE: Recommended for outside of foam or fiber glass insulation to preclude crushing of insulation without breaking the vapor barrier.
APPROVALS: Complies with Federal Specification WW-H-171E (Type 41) and Manufacturers Standardization Society SP-69 (Type 40).
ORDERING: Specify figure number, pipe size, description, insulation thickness and finish.
| Shield Size Selection Table Insulation Thickness (in.) |
|||||
| SIZE | 1/2 | 3/4 | 1 | 1-1/2 | 2 |
| 1/2 | 1A | 1A | — | — | — |
| 3/4 | 1A | 1A | 2A | 4A | 6A |
| 1 | 1A | 2A | 3A | 5A | 7A |
| 1 1/4 | 2A | 3A | 3A | 6A | 7A |
| 1 1/2 | 2A | 3A | 4A | 6A | 7A |
| 2 | 3A | 4A | 5A | 7A | 8A |
| 2 1/2 | 4A | 5A | 6A | 7A | 8A |
| 3 | 5A | 6A | 7A | 8A | 9A |
| 3 1/2 | — | — | 8A | 9A | 10A |
| 4 | — | — | 8A | 9A | 10A |
| 5 | — | — | 9B | 10B | 11B |
| 6 | — | — | 10B | 11B | 12B |
| 8 | — | — | — | 13C | 14C |
| 10 | — | — | 14C | 15C | 16C |
| 12 | — | — | 16C | 17C | 18C |
| 14 | — | — | 17C | 18C | 19C |
| 16 | — | — | 19C | 20C | 21C |
| 18 | — | — | 21C | 22C | 23C |
| 20 | — | — | 23C | 24C | 25C |
| 24 | — | — | 26C | 27C | 28C |
| SHIELD DIMENSION | ||||
| SHIELD SIZE | STOCK SIZE (GAGE ) | APPROX. WEIGHT each | LENGTH L | RADIUS R |
| X1A | 18 | 0.54 | 12 | 0.95 |
| 1A | 18 | 0.69 | 12 | 1.19 |
| 2A | 18 | 0.84 | 12 | 1.44 |
| 3A | 18 | 0.99 | 12 | 1.75 |
| 4A | 18 | 1.1 | 12 | 2.00 |
| 5A | 18 | 1.3 | 12 | 2.25 |
| 6A | 18 | 1.4 | 12 | 2.50 |
| 7A | 18 | 1.6 | 12 | 2.78 |
| 8A | 16 | 1.9 | 12 | 3.32 |
| 9A | 16 | 2.7 | 12 | 3.82 |
| 10A | 16 | 3.1 | 12 | 4.32 |
| 9B | 16 | 4.0 | 18 | 3.82 |
| 10B | 16 | 4.6 | 18 | 4.32 |
| 11B | 16 | 5.1 | 18 | 4.82 |
| 12B | 16 | 5.6 | 18 | 5.38 |
| 13C | 14 | 10.2 | 24 | 5.88 |
| 14C | 14 | 11.1 | 24 | 6.38 |
| 15C | 14 | 11.9 | 24 | 7.00 |
| 16C | 14 | 12.7 | 24 | 7.50 |
| 17C | 14 | 13.6 | 24 | 8.00 |
| 18C | 14 | 14.5 | 24 | 8.50 |
| 19C | 12 | 21.2 | 24 | 9.00 |
| 20C | 12 | 22.4 | 24 | 9.50 |
| 21C | 12 | 23.6 | 24 | 10.00 |
| 22C | 12 | 24.8 | 24 | 10.50 |
| 23C | 12 | 25.9 | 24 | 11.00 |
| 24C | 12 | 27.1 | 24 | 11.50 |
| 25C | 12 | 28.3 | 24 | 12.00 |
| 26C | 12 | 31.0 | 24 | 13.00 |
| 27C | 12 | 31.8 | 24 | 13.50 |
| 28C | 12 | 33.0 | 24 | 14.00 |