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RX Type Ring Joint Gasket
RX Type Ring Joint Gasket

RX Type Ring Joint Gasket is a pressure-energized adaptation of the standard Type R Gasket. TheRX Type Ring Joint Gasket is designed to fit the same groove design as a standard Style R, making the joint interchangeable. The modified design uses a pressure-energized effect that improves the efficiency of the seal as the internal pressure of the system increases.
 

Tolerance (mm):
Width of Ring --- +0.20 ~ -0.00;
Height of Ring --- +0.20 ~ -0.00;
A plus tolerance of 0.2mm for width and height is permitted, provided the variation in width or height does not exceed 0.10mm throughout its entire circumference.
OD of Ring --- +/-0.51 ~ -0.00;
Angle of 23o --- +/-0.5o

Note: only ring RX82 through RX91 have a pressure passage hole through the cross section. Center line of hole is located on the mid-point of the width flat.
Hole diameter shall be as follows:
RX-82 through RX-85 --- 1.52;
RX-86 and RX-87 --- 2.29;
RX-88 through RX-91 --- 3.05

STYLE RX RING JOINT GASKET DIMENSION TABLE

 

RING NO.

PRESSURE CLASS RATINGS ( psi )

Pitch Diameter of Ring

Outside Diameter of Ring

Width of

Ring

Height of Ring

Gasket Weight lbs.

for API 6BX

2000 3000 5000
Nominal Pipe Size
       

P

OD

A

H

 

RX20

- - -

2.688

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-

-

 

 

 

STYLE RX RING JOINT GASKET SELECTION TABLE

 

NOMINAL PIPE SIZE PRESSURE CLASSES
API 6B
720# (1) 960# (1) 2000# 2900# (1) 3000# 5000#
1” - - - RX-82 - -
1 3/8” - - - - - RX-201
1 ½” RX-20 RX-20 RX-20 RX-84 RX-20 RX-20
1 13/16" - - - - - RX205
2” RX-23 RX-23 RX-23 RX-85 RX-24 RX-24
2 ½” RX-26 RX-26 RX-26 RX-86 RX-27 RX-27
2 9/16” - - - - - RX210
3” RX-31 RX-31 RX-31 RX-87 RX-31 RX35
3 ½” - - - RX-89 - -
4” RX-37 RX-37 RX-37 RX-88 RX-37 RX-39
4 1/16" - - - - - RX-215
5” RX-41 RX-41 RX-41 RX-90 RX-41 RX-44
6” RX-45 RX-45 RX-45 - RX-45 RX-46
8”

RX-49

RX-99 (2)

RX-49 RX-49 -

RX-49

RX-99 (2)

RX-50
10” RX-53 RX-53 RX-53 RX-91 RX-53 RX-54
12” RX-57 RX-57 RX-57 - RX-57 -
14” - - - - - RX-63
16” RX-65 RX-65 RX-65 - RX-69 -<

                    

 
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