BX 型金属环垫

The BX Type Ring Joint Gasket, manufactured in accordance with API 6A, are designed for use on pressurised systems up to 20,000 psi.
When correctly fitted, the BX Type Ring Joint Gasket allows virtual face to face contact of the flange faces which means that the gasket is fully trapped on both the inner and outer diameters.

All BX Type Ring Joint Gasket incorporate a pressure balance hole to ensure equalisation of pressure which may be trapped in the grooves.

Tolerance  of BX Type Ring Joint Gasket (mm):
Width of Ring --- +0.20 ~ -0.00;
Hole Size --- +/- 0.5;
Height of Ring --- +0.20 ~ -0.00;
OD of Ring --- +0.00 ~ -0.15;
Angle of 23o --- +/- 0 deg 15 min

One pressure passage hole required per ring on centerline. A plus tolerance of 0.2mm for width of ring and height of ring is permitted, provided the variation in width or height does not exceed 0.10mm throughout its entire circumference.

Note: Radius of the ring shall be 8% to 12% of the ring height.
Please find the dimensions charge of BX Type Ring Joint Gasket in the following:

SIZE	PRESSURE CLASSES
	API 6BX
	2000#	3000#	5000#	10000#	15000#	20000#
1 11/16"	-	-	-	BX-150	BX-150	-
1 13/16"	-	-	-	BX-151	BX-151	BX-151
2 1/16"	-	-	-	BX-152	BX-152	BX-152
2 9/16"	-	-	-	BX-153	BX-153	BX-153
3 1/16"	-	-	-	BX-154	BX-154	BX-154
4 1/16"	-	-	-	BX-155	BX-155	BX-155
5 1/8"	-	-	-	BX-169	-	-
6 5/8"	-	-	-	BX-170	BX-170	-
7 1/16"	-	-	-	BX-156	BX-156	BX-156
8 9/16"	-	-	-	BX-171	BX-171	-
9"	-	-	-	BX-157	BX-157	BX-157
11"	-	-	-	BX-158	BX-158	BX-158
11 5/32"	-	-	-	BX-172	BX-172	-
13 5/8"	-	-	BX-160	BX-159	BX-159	BX-159
16 3/4"	-	-	BX-161 BX-162	BX-162	BX-162	-
18 3/4"	-	-	BX-163	BX-164	BX-164	-
21 1/4"	-	-	BX-165	BX-166	-	-
26 3/4"	BX-167	BX-168	-	-	-	-
30"	BX-303	BX-303	-	-	-	-