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RX Series01

RX


rx1.pngRX Type Gasket
Style RX type RTJ gaskets are manufactured in accordance with both API 6A and ASME B16.20 to suit API 6B and ASME/ANSI B16.5 flanges. 
Style RX is a pressure-energized adaptation of the standard Style R 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 that improves the efficiency of the seal as the internal pressure of the system increases.
Pressure: 2,000-5,000 PSI







rx02.pngTOLERANCES:(mm)

A*(width of ring)
nbsp;  +0.20,-0.000
H*(height of ring)
nbsp;    +0.20,-0.000
OD(od of ring)
   +0.5,-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 1:

The pressure passage hole illustrated in the Ring Type Joint cross section ensures equalisation of pressure which may be trapped in the

grooves, it is in ring RX82  through RX91 only. Centre line of hole shall be located at mid point of dimension"c"(width flat).Hole diameter  shall be as



RING

NO.

PRESSLURE ALASSES, API 6B

PITCH

DLAMETER

OF RING

P

OUTSIDE

DLAMETER

OF RING

0D

WIDTH

OF

RING

A

HELCHT

OF

RING

H

WEIGHT

Ibs.

720-960and

2000[Note(1)]

2900[Note(1)]

3000

5000

Rx20

1 1／2

-

1 1／2

1 1／2

68.26

76.20

8.73

19.05

0.527

Rx23

2

-

-

-

82.55

93.27

11.91

25.40

1.15

Rx24

-

-

2

2

95.25

105.97

11.91

25.40

1.33

Rx25

-

-

-

3 1／8

101.60

109.54

8.73

19.05

1.42

Rx26

2 1／2

-

-

-

101.60

111.92

11.91

25.40

1.50

Rx27

-

-

2 1／2

2 1／2

107.95

118.27

11.91

25.40

1.73

Rx31

3

-

3

-

123.83

134.54

11.91

25.40

1.91

Rx35

-

-

-

3

136.53

147.24

11.91

25.40

2.09

Rx37

4

-

4

-

149.23

159.94

11.91

25.40

2.27

Rx39

-

-

-

4

161.93

172.64

11.91

25.40

2.54

Rx41

5

-

5

-

180.98

191.69

11.91

25.40

2.72

Rx44

-

-

-

5

193.68

204.39

11.91

25.40

2.96

Rx45

6

-

6

-

211.14

281.85

11.91

25.40

3.66

Rx46

-

-

-

6

211.14

222.25

13.49

28.58

8.56

Rx47

-

-

-

8(2)

228.60

245.27

19.84

41.28

3.79

Rx49

8

-

8

-

269.88

280.59

11.91

25.40

5.36

Rx50

-

-

-

8

269.88

283.37

16.67

31.75

4.56

Rx53

10

-

10

-

323.85

334.57

11.91

25.40

6.45

Rx54

-

-

-

10

323.85

337.34

16.67

31.75

5.36

Rx57

12

-

12

-

381.00

391.72

11.91

25.40

26.40

Rx63

-

-

-

14

419.10

441.72

26.99

50.80

6.63

Rx65

16

-

-

-

469.90

480.62

11.91

25.40

9.39

Rx66

-

-

16

-

469.90

483.39

16.67

31.75

7.52

Rx69

18

-

-

-

533.40

544.12

11.91

25.40

20.14

Rx70

-

-

18

-

533.40

550.07

19.84

41.28

11.63

Rx73

20

-

-

-

584.20

596.11

13.49

31.75

22.10

Rx74

-

-

20

-

584.20

600.87

19.84

41.28

0.790

Rx82

-

1

-

-

57.15

67.87

11.91

25.40

0.880

Rx84

-

1 1／2

-

-

63.50

74.22

11.91

25.40

0.880

Rx85

-

2

-

-

79.38

90.09

13.49

25.40

1.79

Rx86

-

2 1／2

-

-

90.49

103.58

15.08

28.58

1.98

Rx87

-

3

-

-

100.03

113.11

15.08

28.58

3.22

Rx88

-

4

-

-

123.83

139.29

17.46

31.75

2.98

Rx89

-

3 1／2

-

-

114.30

129.78

18.26

31.75

6.82

Rx90

-

5

-

-

155.58

174.63

19.84

44.45

17.10

Rx91

-

10

-

-

260.35

286.94

30.18

45.24

3.31

Rx99

8(2)

-

8(2)

-

234.95

245.67

11.91

25.40

-

Rx201

-

-

-

1 3／8

46.04

51.46

5.74

11.30

-

Rx205

-

-

-

1 13／16

57.15

62.31

5.56

11.10

-

Rx210

-

-

-

2 9／16

88.90

97.63

9.53

19.05

-

RX215

-

-

-

4 1／16

130.18

140.89

11.91

25.40

-



NOTES:
(1) Class 720, 960, and 2900 flanges to API 6B are obsolete. Data are for information only.
(2) Crossover flange connection.
(3) Rings RX-82 through RX-91 only require one pressure passage hole as illustrated. 
      The centerline of the hole shall be located at the mid-oint of dimension C.

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