BX - Series Gaskets

BX - Series Gaskets

Description:

Although similar in style to the octagonal gaskets, the BX Series can only be used with 6BX flanges and 16BX hubs. BX-Gaskets have been designed for higher-pressure ratings starting at 5,000 lbs. and ending with 20,000 lbs. Pitch diameters on BX gaskets are slightly larger than the pitch diameter of the flange. This forces the gasket to initially seal on its outside angles and secondly seal with its inside angles as the flange is bolted down to respective torque settings. Gaskets that have been torqued initiating a metal-to-metal seal should be discarded and not reused.

Gaskets coin themselves (Blend In / Molds) to the surface finish of the groove, forming a custom surface seal. The vent hole on the BX Series through the gasket helps equalize pressures caught between the flange grooves. Gaskets that have been torqued initiating a metal-to-metal seal should be discarded and not reused.


Pressure Class Ratings

Wolar BX-Gaskets For API 6BX Flanges

5,000 10,000 15,000 20,000
BX-150 1 11/16 1 11/16
BX-151 1 13/16 1 13/16 1 13/16
BX-152 2 1/16 2 1/16 2 1/16
BX-153 2 9/16 2 9/16 2 9/16
BX-154 3 1/16 3 1/16 3 1/16
BX-155 4 1/16 4 1/16 4 1/16
BX-156 7 1/16 7 1/16 7 1/16
BX-157 9 9
BX-158 11 11
BX-159 13 5/8
5,000 10,000 15,000 20,000
BX-160 13 5/8
BX-161 16 3/4
BX-162 16 3/4 16 3/4
BX-163 18 3/4
BX-164 18 3/4
BX-165 21 1/4
BX-166 21 1/4
BX-167 26 3/4*
BX-168 26 3/4**
BX-169 5 1/8
5,000 10,000 15,000 20,000
BX-171
BX-172
BX-303

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