Style RX

« Back to Gasket Technical Data

The Style RX is a pressure energized adaptation of the standard Style R Ring Joint gasket The RX is designed to fit the same groove design as a standard Style R, making the joints interchangeable.

The modified design uses a pressure energized effect which improves the efficiency of the seal as the internal pressure of the system increases.

Tolerances: ( Inches)

A* Width of Ring ........................................+/- 0.008,-0.000

H Height of Ring .......................................+/- 0.008,-0.000

OD OD of Ring .................................... .......+/- 0.020,-0.000

23° (Angle)......................................................+/- 1/2°

* A plus tolerance of 0.008 inches for width 'A' and height 'H' is permitted provided the variation in width or height does not exceed 0.004 inches throughout its entire circumference.

Note: The pressure passage hole illustrated in the RX Ring Cross section is in Rings RX82 through RX91 only. Center line of hole shall be located at mid point of dimension 'C' ( width of flat). Hole diameter shall be as follows:

RING NO.	PRESSURE CLASS RATINGS ( psi )			Pitch Diameter   of Ring	Outside Diameter of Ring	Width of Ring	Height of Ring	Gasket Weight lbs.
	2000	3000	5000
	Nominal Pipe Size			P	OD	A	H	for API 6BX
RX20	-	-	-	2.668                 3.000		0.344	0.750	0.527
RX20	-	-	2 1/16	2.688	3.000	0.344	0.750	0.527
RX23	2 1/16	-	-	3.250	3.672	0.469	1.000	1.15
RX24	-	2 1/16	2 1/16	3.750	4.172	0.469	1.000	1.33
RX25	-	-	3  1/8	4.000	4.313	0.344	0.750	1.42
RX26	2 9/16	-	-	4.000	4.406	0.469	1.000	1.50
RX27	-	2 9/16	2 9/16	4.250	4.656	0.469	1.000	1.73
RX31	3 1/8	3 1/8	-	4.875	5.297	0.469	1.000	1.91
RX35	-	-	3  1/8	5.375	5.797	0.469	1.000	2.09
RX37	4 1/16	4 1/16	-	5.875	6.297	0.469	1.000	2.27
RX39	-	-	4 1/16	6.375	6.797	0.469	1.000	2.54
RX41	-	-	-	7.125	7.547	0.469	1.000	2.72
RX44	-	-	-	7.625	8.047	0.469	1.000	2.96
RX45	7 1/16	7 1/16	-	8.313	8.734	0.469	1.000	3.66
RX46	-	-	7 1/16	8.313	8.750	0.531	1.125	8.56
RX47	-	-	-	9.000	9.656	0.781	1.625	3.79
RX49	9	9	-	10.625	11.047	0.469	1.000	5.36
RX50	-	-	9	10.625	11.156	0.656	1.250	4.56
RX53	11	11	-	12.750	13.172	0.469	1.000	6.45
RX54	-	-	11	12.750	13.281	0.656	1.250	5.36
RX57	13 5/8	13 5/8	-	15.000	15.422	0.469	1.000	26.40
RX63	-	-	-	16.500	17.391	1.063	2.000	6.63
RX65	16 3/4	-	-	18.500	18.922	0.469	1.000	9.39
RX66	-	16 3/4	-	18.500	19.031	0.656	1.250	7.52
RX69	-	-	-	21.000	21.422	0.469	1.000	20.14
RX70	-	-	-	21.000	21.656	0.781	1.625	11.63
RX73	21 1/4	-	-	23.000	23.469	0.531	1.250	22.10
RX74	-	20 3/4	-	23.000	23.656	0.781	1.625	0.790
RX82	-	-	-	2.250	2.672	0.469	1.000	0.880
RX84	-	-	-	2.500	2.922	0.469	1.000	0.880
RX85	-	-	-	3.125	3.547	0.531	1.000	1.79
RX86	-	-	-	3.563	4.078	0.594	1.125	1.98
RX87	-	-	-	3.938	4.453	0.594	1.125	3.22
RX88	-	-	-	4.875	5.484	0.688	1.250	2.98
RX89	-	-	-	4.500	5.109	0.719	1.250	6.82
RX90	-	-	-	6.125	6.875	0.781	1.750	17.10
RX91	-	-	-	10.250	11.297	1.188	1.781	3.31
*RX99	-	-	-	9.250	9.672	0.469	1.000	-
RX201	-	-	1 3/8	1.813	2.026	0.226	0.445	-
*RX205	-	-	1 13/16	2.250	2.453	0.219	0.437	-
*RX210	-	-	2 9/16	3.500	3.844	0.375	0.750	-
*RX215	-	-	4 1/16	5.125	5.547	0.469	1.000	-
*RX215	-	-	4 1/16 X 4¼	5.125	5.547	0.469	1.000-	-

* API allows more liberal tolerances on RX 201 - 215
 Denotes API Ring Joint gaskets for segmented flanges for dual completions to API Standard 6A.