Boiler Gaskets - Topog-E, 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 |
(6 Pack) Price |
Qty | |
|---|---|---|---|---|---|---|
| 336-001-OBPK | 2-3/4" | 3-1/2" | 1/2" Flange | $76.32 | Add to Cart | |
| 336-002-OBPK | 2-3/4" | 3-3/4" | 1/2" Flange | $76.92 | Add to Cart | |
| 336-003-OBPK | 3" | 3-3/4" | 1/2" Flange | $79.68 | Add to Cart | |
| 336-004-OBPK | 3" | 4" | 1/2" Flange | $76.50 | Add to Cart | |
| 336-005-OBPK | 3" | 4-1/2" | 1/2" Flange | $81.84 | Add to Cart | |
| 336-006-OBPK | 3" | 5" | 1/2" Flange | $83.52 | Add to Cart | |
| 336-007-OBPK | 3-1/4" | 4-1/2" | 1/2" Flange | $87.30 | Add to Cart | |
| 336-008-OBPK | 3-1/4" | 5" | 1/2" Flange | $91.02 | Add to Cart | |
| 336-009-OBPK | 3-1/2" | 4-1/2" | 1/2" Flange | $83.70 | Add to Cart | |
| 336-010-OBPK | 4" | 5" | 1/2" Flange | $88.68 | Add to Cart | |
| 336-011-OBPK | 4" | 6" | 1/2" Flange | $93.42 | Add to Cart | |
| 336-012-OBPK | 6" | 8" | 1/2" Flange | $112.38 | Add to Cart | |
| 336-067-OBPK | 3-1/4" | 4-1/2" | 9/16" Flange | $108.47 | Add to Cart | |
| 336-013-OBPK | 2-3/4" | 3-1/2" | 5/8" Flange | $85.62 | Add to Cart | |
| 336-014-OBPK | 2-3/4" | 3-3/4" | 5/8" Flange | $87.60 | Add to Cart | |
| 336-015-OBPK | 3" | 3-3/4" | 5/8" Flange | $88.68 | Add to Cart | |
| 336-016-OBPK | 3" | 4" | 5/8" Flange | $90.90 | Add to Cart | |
| 336-017-OBPK | 3" | 4-1/2" | 5/8" Flange | $94.14 | Add to Cart | |
| 336-018-OBPK | 3" | 5" | 5/8" Flange | $96.24 | Add to Cart | |
| 336-019-OBPK | 3-1/4" | 4-1/2" | 5/8" Flange | $96.42 | Add to Cart | |
| 336-020-OBPK | 3-1/4" | 5" | 5/8" Flange | $96.42 | Add to Cart | |
| 336-021-OBPK | 3-1/2" | 4-1/2" | 5/8" Flange | $96.24 | Add to Cart | |
| 336-022-OBPK | 4" | 5" | 5/8" Flange | $102.60 | Add to Cart | |
| 336-023-OBPK | 4" | 6" | 5/8" Flange | $114.84 | Add to Cart | |
| 336-024-OBPK | 6" | 8" | 5/8" Flange | $133.08 | Add to Cart | |
| 336-031-OBPK | 4" | 5" | 3/4" Flange | $117.60 | Add to Cart | |
| 336-032-OBPK | 4" | 6" | 3/4" Flange | $125.10 | Add to Cart | |
| 336-033-OBPK | 6" | 8" | 3/4" Flange | $153.60 | Add to Cart | |
| 336-034-OBPK | 4" | 6" | 1" Flange | $145.20 | Add to Cart | |
| 336-035-OBPK | 6" | 8" | 1" Flange | $172.02 | Add to Cart |
| Part # | A | B | C |
(2 Pack) Price |
Qty | |
|---|---|---|---|---|---|---|
| 336-036-OBPK | 8" | 10" | 3/4" Flange | $73.48 | Add to Cart | |
| 336-037-OBPK | 10" | 14" | 3/4" Flange | $116.62 | Add to Cart | |
| 336-038-OBPK | 10" | 15" | 3/4" Flange | $120.80 | Add to Cart | |
| 336-039-OBPK | 11" | 15" | 3/4" Flange | $93.40 | Add to Cart | |
| 336-040-OBPK | 11" | 16" | 3/4" Flange | $95.68 | Add to Cart | |
| 336-041-OBPK | 12" | 15" | 3/4" Flange | $95.68 | Add to Cart | |
| 336-042-OBPK | 12" | 16" | 3/4" Flange | $98.06 | Add to Cart | |
| 336-043-OBPK | 8" | 10" | 1" Flange | $91.62 | Add to Cart | |
| 336-044-OBPK | 10" | 14" | 1" Flange | $125.50 | Add to Cart | |
| 336-045-OBPK | 10" | 15" | 1" Flange | $129.78 | Add to Cart | |
| 336-046-OBPK | 11" | 15" | 1" Flange | $117.82 | Add to Cart | |
| 336-047-OBPK | 11" | 16" | 1" Flange | $121.76 | Add to Cart | |
| 336-048-OBPK | 12" | 15" | 1" Flange | $121.14 | Add to Cart | |
| 336-049-OBPK | 12" | 16" | 1" Flange | $124.38 | Add to Cart | |
| 336-051-OBPK | 10" | 14" | 1-1/4" Flange | $134.74 | Add to Cart | |
| 336-052-OBPK | 10" | 15" | 1-1/4" Flange | $139.10 | Add to Cart | |
| 336-053-OBPK | 11" | 14" | 1-1/4" Flange | $139.72 | Add to Cart | |
| 336-054-OBPK | 11" | 15" | 1-1/4" Flange | $143.76 | Add to Cart | |
| 336-055-OBPK | 11" | 16" | 1-1/4" Flange | $147.32 | Add to Cart | |
| 336-056-OBPK | 12" | 15" | 1-1/4" Flange | $147.32 | Add to Cart | |
| 336-057-OBPK | 12" | 16" | 1-1/4" Flange | $151.44 | Add to Cart | |
| 336-058-OBPK | 12" | 16" | 1-1/2" Flange | $201.96 | Add to Cart |
| Part # | A | B | C | Individual Price | Qty | |
|---|---|---|---|---|---|---|
| 336-059-OB | 14" | 18" | 1" Flange | $68.87 | Add to Cart | |
| 336-060-OB | 16" | 18" | 1" Flange | $68.87 | Add to Cart | |
| 336-061-OB | 18" | 24" | 1" Flange | $126.86 | Add to Cart | |
| 336-062-OB | 14" | 18" | 1-1/4" Flange | $83.94 | Add to Cart | |
| 336-063-OB | 16" | 18" | 1-1/4" Flange | $97.34 | Add to Cart | |
| 336-064-OB | 18" | 24" | 1-1/4" Flange | $132.48 | Add to Cart | |
| 336-065-OB | 14" | 18" | 1-1/2" Flange | $111.94 | Add to Cart | |
| 336-066-OB | 18" | 24" | 1-1/2" Flange | $176.65 | Add to Cart |
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