Spiralwound Boiler Gaskets

Sizing by Boiler Manufacturer

Boiler Handhole and Tubecap Gasket Sizes by Boiler Manufacturer

Babcock and Wilcox

     #24        4-1/2 x 5-1/2 x 7/32 x.175         Oval
     #28        4-13/16 x 5 x 7/32 x .175          Rectangle
     #40        3-3/8 x 3-3/4 x 3/16 x .175        Diamond
     #48        3-13/16 x 4-3/4 x 7/32 x .175      Oval

Cleaver-Brooks

      CB Obround          3-9/32 x 4-17/32 x 3/8 x .175       Obround

Combustion Engineering
 

     #4N-L740           3-1/8 x 3-5/8 x .175         Round
     #4N-L741           3-3/8 x 3-7/8 x .175         Round
     #29                3-3/8 x 4-1/4 x 1/4 x .175   Oval
     #33                3-3/4 x 4-5/8 x 1/4 x .175   Oval

Foster Wheeler

     2-3/4 OB           2-25/32 x 3-13/32 x 7/32 x .175  Obround

Wickes

     Pear               4-1/8 x 5-1/8 x 9/32 x .175   Pear

Standard Handhole and  Tubecap Gasket Sizes

OVAL

     3 x 4 x 3/8 x .175
     3 x 4 x 1/2 x .175
     3-1/4 x 5 x 3/8 x .175
     3-1/2 x 4-1/2 x 9/32 x .175
     3-1/2 x 4-1/2 x 3/8 x .175
     3-1/2 x 4-1/2 x 1/2 x .175
     3 x 5 x 5/8 x .175
     4 x 6 x 5/16 x .175
     4 x 6 x 3/8 x .175
     4 x 6 x 1/2 x .175
    

OBROUND

     3 x 4-1/2 x 3/8 x .175 
     3-5/8 x 5-1/2 x 1/2 x .175

Standard Manway Gasket Sizes  

      OVAL

     11 x 15 x 1 x .175
     12 x 16 x 3/4 x .175
     12 x 16 x 1 x .175
     12 x 16 x 1-1/4 x .175
     12 x 16 x 1-1/4 x .250

     ROUND

     16-1/16 x 17-9/16 x .175

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