Call
Toll-Free:

Blue Max "Obround" Boiler Handhole & Manhole Gaskets In Stock

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.

 

CLICK HERE FOR TORQUE VALUE GUIDE

Item Name: Blue Max "Obround" Non-Asbestos Hand Hole Boiler Gaskets
Manufacturer:
Blue Max
Description:

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.

Shipping Time: Same Day In Stock
Blue Max Handhole Gaskets (Sold in 6-Packs)
Part # A B C Weight (6 Pack)
Price
Qty  
335-001-OBPK 2-3/4" 3-1/2" 1/2" Flange 1.00 $97.03 Add to Cart
335-002-OBPK 2-3/4" 3-3/4" 1/2" Flange 1.00 $97.98 Add to Cart
335-003-OBPK 3" 3-3/4" 1/2" Flange 1.00 $100.87 Add to Cart
335-004-OBPK 3" 4" 1/2" Flange 1.00 $101.82 Add to Cart
335-005-OBPK 3" 4-1/2" 1/2" Flange 1.00 $103.72 Add to Cart
335-006-OBPK 3" 5" 1/2" Flange 1.00 $105.62 Add to Cart
335-007-OBPK 3-1/4" 4-1/2" 1/2" Flange 1.00 $110.36 Add to Cart
335-008-OBPK 3-1/4" 5" 1/2" Flange 1.00 $115.12 Add to Cart
335-009-OBPK 3-1/2" 4-1/2" 1/2" Flange 1.00 $105.62 Add to Cart
335-010-OBPK 4" 5" 1/2" Flange 1.00 $112.27 Add to Cart
335-011-OBPK 4" 6" 1/2" Flange 1.00 $118.96 Add to Cart
335-012-OBPK 6" 8" 1/2" Flange 1.00 $142.73 Add to Cart
335-067-OBPK 3-1/4" 4-1/2" 9/16" Flange 1.00 $108.47 Add to Cart
335-013-OBPK 2-3/4" 3-1/2" 5/8" Flange 1.00 $111.32 Add to Cart
335-014-OBPK 2-3/4" 3-3/4" 5/8" Flange 1.00 $112.27 Add to Cart
335-015-OBPK 3" 3-3/4" 5/8" Flange 1.00 $115.12 Add to Cart
335-016-OBPK 3" 4" 5/8" Flange 1.00 $119.90 Add to Cart
335-017-OBPK 3" 4-1/2" 5/8" Flange 1.00 $121.81 Add to Cart
335-018-OBPK 3" 5" 5/8" Flange 1.00 $122.76 Add to Cart
335-019-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
335-021-OBPK 3-1/2" 4-1/2" 5/8" Flange 1.00 $130.35 Add to Cart
335-022-OBPK 4" 5" 5/8" Flange 1.00 $137.99 Add to Cart
335-023-OBPK 4" 6" 5/8" Flange 1.00 $168.41 Add to Cart
335-024-OBPK 6" 8" 5/8" Flange 1.00 $127.50 Add to Cart
335-025-OBPK 3" 4" 3/4" Flange 1.00 $127.50 Add to Cart
335-026-OBPK 3" 4-1/2" 3/4" Flange 1.00 $136.04 Add to Cart
335-027-OBPK 3" 5" 3/4" Flange 1.00 $130.35 Add to Cart
335-028-OBPK 3-1/4" 4-1/2" 3/4" Flange 1.00 $134.15 Add to Cart
335-029-OBPK 3-1/4" 5" 3/4" Flange 1.00 $138.94 Add to Cart
335-030-OBPK 3-1/2" 4-1/2" 3/4" Flange 1.00 $130.35 Add to Cart
335-031-OBPK 4" 5" 3/4" Flange 1.00 $149.38 Add to Cart
335-032-OBPK 4" 6" 3/4" Flange 1.00 $158.93 Add to Cart
335-033-OBPK 6" 8" 3/4" Flange 1.00 $193.51 Add to Cart
335-034-OBPK 4" 6" 1" Flange 1.00 $183.66 Add to Cart
335-035-OBPK 6" 8" 1" Flange 1.00 $217.93 Add to Cart
Blue Max Manhole Gaskets (Sold in 2-Packs)
Part # A B C Weight (2 Pack)
Price
Qty  
335-036-OBPK 8" 10" 3/4" Flange 0.50 $95.23 Add to Cart
335-037-OBPK 10" 14" 3/4" Flange 0.50 $149.49 Add to Cart
335-038-OBPK 10" 15" 3/4" Flange 0.50 $155.18 Add to Cart
335-039-OBPK 11" 15" 3/4" Flange 0.50 $120.96 Add to Cart
335-040-OBPK 11" 16" 3/4" Flange 0.50 $124.87 Add to Cart
335-041-OBPK 12" 15" 3/4" Flange 0.50 $124.87 Add to Cart
335-042-OBPK 12" 16" 3/4" Flange 0.50 $126.65 Add to Cart
335-043-OBPK 8" 10" 1" Flange 0.50 $118.06 Add to Cart
335-044-OBPK 10" 14" 1" Flange 0.50 $160.93 Add to Cart
335-045-OBPK 10" 15" 1" Flange 0.50 $166.62 Add to Cart
335-046-OBPK 11" 15" 1" Flange 0.50 $151.38 Add to Cart
335-047-OBPK 11" 16" 1" Flange 0.50 $156.13 Add to Cart
335-048-OBPK 12" 15" 1" Flange 0.50 $155.18 Add to Cart
335-049-OBPK 12" 16" 1" Flange 0.50 $159.98 Add to Cart
335-050-OBPK 8" 10" 1-1/4" Flange 0.50 $153.29 Add to Cart
335-051-OBPK 10" 14" 1-1/4" Flange 0.50 $172.32 Add to Cart
335-052-OBPK 10" 15" 1-1/4" Flange 0.50 $178.06 Add to Cart
335-053-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
335-055-OBPK 11" 16" 1-1/4" Flange 0.50 $188.50 Add to Cart
335-056-OBPK 12" 15" 1-1/4" Flange 0.50 $188.50 Add to Cart
335-057-OBPK 12" 16" 1-1/4" Flange 0.50 $194.24 Add to Cart
335-058-OBPK 12" 16" 1-1/2" Flange 0.50 $258.00 Add to Cart
Blue Max Manhole Gaskets (Sold Individually)
Part # A B C Weight Individual Price Qty  
335-059-OB 14" 18" 1" Flange 0.25 $89.53 Add to Cart
335-060-OB 16" 18" 1" Flange 0.25 $119.02 Add to Cart
335-061-OB 18" 24" 1" Flange 0.25 $162.51 Add to Cart
335-062-OB 14" 18" 1-1/4" Flange 0.25 $108.56 Add to Cart
335-063-OB 16" 18" 1-1/4" Flange 0.25 $125.70 Add to Cart
335-064-OB 18" 24" 1-1/4" Flange 0.25 $169.47 Add to Cart
335-065-OB 14" 18" 1-1/2" Flange 0.25 $143.79 Add to Cart
335-066-OB 18" 24" 1-1/2" Flange 0.25 $225.63 Add to Cart