Boiler Gaskets - Topog-E, E-Pro, Black Max, Blue Max, Spiral Max Blue Max Boiler Handhole & Manhole Gaskets Blue Max "Obround" Boiler Handhole & Manhole Gaskets
Blue Max® "Obround" boiler gaskets are made from a special formula glass/elastomer-impregnated tacky cloth. The gaskets have their sizes clearly marked for easy installation. These super-strong gaskets resist splitting due to over-tightening flange surfaces.
Blue-Max® "Obround" boiler gaskets will give you all of the advantages of an asbestos gasket without the health risks. Blue-Max® gaskets are manufactured from a proprietary tacky cloth of glass synthetic fibers and brass wire, and impregnated with a blue elastomer compound.
Blue Max Gasket Key Benefits:
Zero Leakage Under Pressure: Tests by major boiler manufacturers confirm that Blue-Max® gaskets seal with zero leakage on steam to 450 psi and on cold-water hydro tests up to 1500 psi and withstand working temperatures up to 500℉
Easily Removed: Removal is easy and requires no scraping, chiseling or grinding.
Sizes Clearly Marked: Each Blue-Max® gasket is permanently marked with its size.
Easy Problem Free Installation: The gasket naturally lays flat on the flange and requires no special installation tools, procedures or training.
Interchangeable Sizes: Corresponding OB round and oval sizes are interchangeable.
Maximum Sealing on Rough Surfaces
Chemical Resistant: The proprietary Teflon wrap is resistant to the chemicals used in treating boiler water, so gaskets will last longer.
Extended Shelf Life: A Blue-Max® Gasket won't dry out or lose its strength while in sits on the shelf.
| Part # | A | B | C | Weight |
(6 Pack) Price |
Qty | |
|---|---|---|---|---|---|---|---|
| 336-001-OBPK | 2-3/4" | 3-1/2" | 1/2" Flange | 1.00 | $97.03 | Add to Cart | |
| 336-002-OBPK | 2-3/4" | 3-3/4" | 1/2" Flange | 1.00 | $97.98 | Add to Cart | |
| 336-003-OBPK | 3" | 3-3/4" | 1/2" Flange | 1.00 | $100.87 | Add to Cart | |
| 336-004-OBPK | 3" | 4" | 1/2" Flange | 1.00 | $101.82 | Add to Cart | |
| 336-005-OBPK | 3" | 4-1/2" | 1/2" Flange | 1.00 | $103.72 | Add to Cart | |
| 336-006-OBPK | 3" | 5" | 1/2" Flange | 1.00 | $105.62 | Add to Cart | |
| 336-007-OBPK | 3-1/4" | 4-1/2" | 1/2" Flange | 1.00 | $110.36 | Add to Cart | |
| 336-008-OBPK | 3-1/4" | 5" | 1/2" Flange | 1.00 | $115.12 | Add to Cart | |
| 336-009-OBPK | 3-1/2" | 4-1/2" | 1/2" Flange | 1.00 | $105.62 | Add to Cart | |
| 336-010-OBPK | 4" | 5" | 1/2" Flange | 1.00 | $112.27 | Add to Cart | |
| 336-011-OBPK | 4" | 6" | 1/2" Flange | 1.00 | $118.96 | Add to Cart | |
| 336-012-OBPK | 6" | 8" | 1/2" Flange | 1.00 | $142.73 | Add to Cart | |
| 336-067-OBPK | 3-1/4" | 4-1/2" | 9/16" Flange | 1.00 | $108.47 | Add to Cart | |
| 336-013-OBPK | 2-3/4" | 3-1/2" | 5/8" Flange | 1.00 | $111.32 | Add to Cart | |
| 336-014-OBPK | 2-3/4" | 3-3/4" | 5/8" Flange | 1.00 | $112.27 | Add to Cart | |
| 336-015-OBPK | 3" | 3-3/4" | 5/8" Flange | 1.00 | $115.12 | Add to Cart | |
| 336-016-OBPK | 3" | 4" | 5/8" Flange | 1.00 | $119.90 | Add to Cart | |
| 336-017-OBPK | 3" | 4-1/2" | 5/8" Flange | 1.00 | $121.81 | Add to Cart | |
| 336-018-OBPK | 3" | 5" | 5/8" Flange | 1.00 | $122.76 | Add to Cart | |
| 336-019-OBPK | 3-1/4" | 4-1/2" | 5/8" Flange | 1.00 | $124.20 | Add to Cart | |
| 335-020-OBPK | 3-1/4" | 5" | 5/8" Flange | 1.00 | $121.81 | Add to Cart | |
| 336-021-OBPK | 3-1/2" | 4-1/2" | 5/8" Flange | 1.00 | $130.35 | Add to Cart | |
| 336-022-OBPK | 4" | 5" | 5/8" Flange | 1.00 | $130.35 | Add to Cart | |
| 336-023-OBPK | 4" | 6" | 5/8" Flange | 1.00 | $137.99 | Add to Cart | |
| 336-024-OBPK | 6" | 8" | 5/8" Flange | 1.00 | $168.41 | Add to Cart | |
| 336-025-OBPK | 3" | 4" | 3/4" Flange | 1.00 | $127.50 | Add to Cart | |
| 336-026-OBPK | 3" | 4-1/2" | 3/4" Flange | 1.00 | $136.04 | Add to Cart | |
| 336-027-OBPK | 3" | 5" | 3/4" Flange | 1.00 | $130.35 | Add to Cart | |
| 336-028-OBPK | 3-1/4" | 4-1/2" | 3/4" Flange | 1.00 | $134.15 | Add to Cart | |
| 336-029-OBPK | 3-1/4" | 5" | 3/4" Flange | 1.00 | $138.94 | Add to Cart | |
| 336-030-OBPK | 3-1/2" | 4-1/2" | 3/4" Flange | 1.00 | $130.35 | Add to Cart | |
| 336-031-OBPK | 4" | 5" | 3/4" Flange | 1.00 | $149.38 | Add to Cart | |
| 336-032-OBPK | 4" | 6" | 3/4" Flange | 1.00 | $158.93 | Add to Cart | |
| 336-033-OBPK | 6" | 8" | 3/4" Flange | 1.00 | $193.51 | Add to Cart | |
| 336-034-OBPK | 4" | 6" | 1" Flange | 1.00 | $183.66 | Add to Cart | |
| 336-035-OBPK | 6" | 8" | 1" Flange | 1.00 | $217.93 | Add to Cart |
| Part # | A | B | C | Weight |
(2 Pack) Price |
Qty | |
|---|---|---|---|---|---|---|---|
| 336-036-OBPK | 8" | 10" | 3/4" Flange | 0.50 | $95.23 | Add to Cart | |
| 336-037-OBPK | 10" | 14" | 3/4" Flange | 0.50 | $149.49 | Add to Cart | |
| 336-038-OBPK | 10" | 15" | 3/4" Flange | 0.50 | $155.18 | Add to Cart | |
| 336-039-OBPK | 11" | 15" | 3/4" Flange | 0.50 | $120.96 | Add to Cart | |
| 336-040-OBPK | 11" | 16" | 3/4" Flange | 0.50 | $124.87 | Add to Cart | |
| 336-041-OBPK | 12" | 15" | 3/4" Flange | 0.50 | $124.87 | Add to Cart | |
| 336-042-OBPK | 12" | 16" | 3/4" Flange | 0.50 | $126.65 | Add to Cart | |
| 336-043-OBPK | 8" | 10" | 1" Flange | 0.50 | $118.06 | Add to Cart | |
| 336-044-OBPK | 10" | 14" | 1" Flange | 0.50 | $160.93 | Add to Cart | |
| 336-045-OBPK | 10" | 15" | 1" Flange | 0.50 | $166.62 | Add to Cart | |
| 336-046-OBPK | 11" | 15" | 1" Flange | 0.50 | $151.38 | Add to Cart | |
| 336-047-OBPK | 11" | 16" | 1" Flange | 0.50 | $156.13 | Add to Cart | |
| 336-048-OBPK | 12" | 15" | 1" Flange | 0.50 | $155.18 | Add to Cart | |
| 336-049-OBPK | 12" | 16" | 1" Flange | 0.50 | $159.98 | Add to Cart | |
| 336-050-OBPK | 8" | 10" | 1-1/4" Flange | 0.50 | $153.29 | Add to Cart | |
| 336-051-OBPK | 10" | 14" | 1-1/4" Flange | 0.50 | $172.32 | Add to Cart | |
| 336-052-OBPK | 10" | 15" | 1-1/4" Flange | 0.50 | $178.06 | Add to Cart | |
| 336-053-OBPK | 11" | 14" | 1-1/4" Flange | 0.50 | $179.01 | Add to Cart | |
| 335-054-OBPK | 11" | 15" | 1-1/4" Flange | 0.50 | $183.76 | Add to Cart | |
| 336-055-OBPK | 11" | 16" | 1-1/4" Flange | 0.50 | $188.50 | Add to Cart | |
| 336-056-OBPK | 12" | 15" | 1-1/4" Flange | 0.50 | $188.50 | Add to Cart | |
| 336-057-OBPK | 12" | 16" | 1-1/4" Flange | 0.50 | $194.24 | Add to Cart | |
| 336-058-OBPK | 12" | 16" | 1-1/2" Flange | 0.50 | $258.00 | Add to Cart |
| Part # | A | B | C | Weight | Individual Price | Qty | |
|---|---|---|---|---|---|---|---|
| 336-059-OB | 14" | 18" | 1" Flange | 0.25 | $89.53 | Add to Cart | |
| 336-060-OB | 16" | 18" | 1" Flange | 0.25 | $119.02 | Add to Cart | |
| 336-061-OB | 18" | 24" | 1" Flange | 0.25 | $162.51 | Add to Cart | |
| 336-062-OB | 14" | 18" | 1-1/4" Flange | 0.25 | $108.56 | Add to Cart | |
| 336-063-OB | 16" | 18" | 1-1/4" Flange | 0.25 | $125.70 | Add to Cart | |
| 336-064-OB | 18" | 24" | 1-1/4" Flange | 0.25 | $169.47 | Add to Cart | |
| 336-065-OB | 14" | 18" | 1-1/2" Flange | 0.25 | $143.79 | Add to Cart | |
| 336-066-OB | 18" | 24" | 1-1/2" Flange | 0.25 | $225.63 | Add to Cart |
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