sealing products
 

Metallic JOINT


Size Chart for Oval or Octagonal Rings

Nominal Pipe Size

Flange Pressure Rating

150#

300-600#

900#

1500#

2500#

1/2

-

R-11

R-12

R-12

R-13

3/4

-

R-13

R-14

R-14

R-16

1

R-15

R-16

R-16

R-16

R-18

1-1/4

R-17

R-18

R-18

R-18

R-21

1-1/2

R-19

R-20

R-20

R-20

R-23

2

R-22

R-23

R-24

R-24

R-26

2-1/2

R-25

R-26

R-27

R-27

R-28

3

R-29

R-31 (R-30 for lapped joint)

R-31

R-35

R-32

3-1/2

R-33

R-34

-

-

-

4

R-36

R-37

R-37

R-39

R-38

5

R-40

R-41

R-41

R-44

R-42

6

R-43

R-45

R-45

R-46

R-47

8

R-48

R-49

R-49

R-50

R-51

10

R-52

R-53

R-53

R-54

R-55

12

R-56

R-57

R-57

R-58

R-60

14

R-59

R-61

R-62

R-63

-

16

R-64

R-65

R-66

R-67

-

18

R-68

R-69

R-70

R-71

-

20

R-72

R73

R-74

R-75

-

22

R-80

R-81

-

-

-

24

R-76

R-77

R-78

R-79

-

26

-

R-93

R-100

-

-

28

-

R-94

R-101

-

-

30

-

R-95

R-102

-

-

32

-

R-96

R-103

-

-

34

-

R-97

R-104

-

-

36

-

R-98

R-105

-

-

* F5 identification designates ASTM Specification A-182 chemical composition requirements only.

 

Dimensions for Oval or Octagonal Rings

A.S.A. and
A.P.I.Ring
Number

Gasket Dimensions (Inches)

Gasket Weight lbs.

Center To Center

Inside Diameter

Outside Diameter

Width of Ring

Height of Ring

Oval

Octagonal

Oval Rings

Octagonal Rings

R11

1-11/32

1-3/32

1-19/32

1/4

7/16

3/8

0.111

0.104

R12

1-9/16

1-1/4

1-7/8

5/16

9/16

1/2

0.216

0.2

R13

1-11/16

1-3/8

2

5/16

9/16

1/2

0.234

0.216

R14

1-3/4

1-7/16

2-1/16

5/16

9/16

1/2

0.242

0.224

R15

1-7/8

1-9/16

2-3/16

5/16

9/16

1/2

0.26

0.24

R16

2

1-11/16

2-5/16

5/16

9/16

1/2

0.278

0.256

R17

2-1/4

1-15/16

2-9/16

5/16

9/16

1/2

0.311

0.288

R18

2-3/8

2-1/16

2-11/16

5/16

9/16

1/2

0.328

0.304

R19

2-9/16

2-1/4

2-7/8

5/16

9/16

1/2

0.354

0.328

R20

2-11/16

2-3/8

3

5/16

9/16

1/2

0.372

0.344

R21

2-27/32

2-13/32

3-9/32

7/16

11/16

5/8

0.66

0.643

R22

3-1/4

2-15/16

3-9/16

5/16

9/16

1/2

0.45

0.415

R23

3-1/4

2-13/16

3-11/16

7/16

11/16

5/8

0.755

0.734

R24

3-3/4

3-5/16

4-3/16

7/16

11/16

5/8

0.87

0.846

R25

4

3-11/16

4-5/16

5/16

9/16

1/2

0.553

0.51

R26

4

3-9/16

4-7/16

7/16

11/16

5/8

0.93

0.904

R27

4-1/4

3-13/16

4-11/16

7/16

11/16

5/8

1.05

0.96

R28

4-3/8

3-7/8

4-7/8

1/2

3/4

11/16

1.255

1.23

R29

4-1/2

4-3/16

4-13/16

5/16

9/16

1/2

0.622

0.575

R30

4-5/8

4-3/16

5-1/16

7/16

11/16

5/8

1.075

1.047

R31

4-7/8

4-7/16

5-5/16

7/16

11/16

5/8

1.13

1.1

R32

5

4-1/2

5-1/2

1/2

3/4

11/16

1.435

1.405

R33

5-3/16

4-7/8

5-1/2

5/16

9/16

1/2

0.718

0.664

R34

5-3/16

4-3/4

5-5/8

7/16

11/16

5/8

1.2

1.17

R35

5-3/8

4-15/16

5-13/16

7/16

11/16

5/8

1.25

1.21

R36

5-7/8

5-9/16

6-3/16

5/16

9/16

1/2

0.813

0.735

R37

5-7/8

5-7/16

6-5/16

7/16

11/16

5/8

1.36

1.33

R38

6-3/16

5-9/16

6-13/16

5/8

7/8

13/16

2.56

2.52

R39

6-3/8

5-15/16

6-13/16

7/16

11/16

5/8

1.48

1.44

R40

6-3/4

6-7/16

7-1/16

5/16

9/16

1/2

0.935

0.865

R41

7-1/8

6-11/16

7-9/16

7/16

11/16

5/8

1.66

1.61

R42

7-1/2

6-3/4

8-1/4

3/4

1

15/16

4.21

4.16

R43

7-5/8

7-5/16

7-15/16

5/16

9/16

1/2

1.055

0.975

R44

7-5/8

7-3/16

8-1/16

7/16

11/16

5/8

1.77

1.73


R45

8-5/16

7-7/8

8-3/4

7/16

11/16

5/8

1.93

1.88

R46

8-5/16

7-13/16

8-13/16

1/2

3/4

11/16

2.39

2.33

R47

9

8-1/4

9-3/4

3/4

1

15/16

5.06

4.99

R48

9-3/4

9-7/16

10-1/16

5/16

9/16

1/2

1.35

1.24

R49

10-5/8

10-3/16

11-1/16

7/16

11/16

5/8

2.47

2.4

R50

10-5/8

10

11-1/4

5/8

7/8

13/16

4.4

4.32

R51

11

10-1/8

11-7/8

7/8

1-1/8

1-1/16

8.05

8.17

R52

12

11-11/16

12-5/16

5/16

9-16

1/2

1.66

1.53

R53

12-3/4

12-5/16

13-3/16

7/16

11/16

5/8

3

2.88

R54

12-3/4

12-1/8

13-3/8

5/8

7/8

13/16

5.29

5.18

R55

13-1/2

12-3/8

14-5/8

1-1/8

1-7/16

1-3/8

16.23

17.08

R56

15

14-11/16

15-5/16

5/16

9/16

1/2

2.07

1.92

R57

15

14-9/16

15-7/16

7/16

11/16

5/8

3.48

3.38

R58

15

14-1/8

15-7/8

7/8

1-1/8

1-1/16

11

11.13

R59

15-5/8

15-5/16

15-15/16

5/16

9/16

1/2

2.16

2

R60

16

14-3/4

17-1/4

1-1/4

1-9/16

1-1/2

23.1

23.5

R61

16-1/2

16-1/16

16-15/16

7/16

11/16

5/8

3.83

3.73

R62

16-1/2

15-7/8

17-1/8

5/8

7/8

13/16

6.84

6.71

R63

16-1/2

15-1/2

17-1/2

1

1-5/16

1-1/4

16.20

16.67

R64

17-7/8

17-9/16

18-3/16

5/16

9/16

1/2

2.47

2.29

R65

18-1/2

18-1/16

18-15/16

7/16

11/16

5/8

4.3

4.18

R66

18-1/2

17-7/8

19-1/8

5/8

7/8

13/16

7.67

7.53

R67

18-1/2

17-3/8

19-5/8

1-1/8

1-7/16

1-3/8

22.3

23.4

R68

20-3/8

20-1/16

20-11/16

5/16

9/16

1/2

2.82

2.6

R69

21

20-9/16

21-7/16

7/16

11/16

5/8

4.87

4.74

R70

21

20-1/4

21-3/4

3/4

1

15/16

11.80

11.64

R71

21

19-7/8

22-1/8

1-1/8

1-7/16

1-3/8

25.2

26.5

R72

22

21-11/16

22-5/16

5/16

9/16

1/2

3.04

2.81

R73

23

22-1/2

23-1/2

1/2

3/4

11/16

6.6

6.47

R74

23

22-1/4

23-3/4

3/4

1

15/16

12.95

12.75

R75

23

21-3/4

24-1/4

1-1/4

1-9/16

1-1/2

33.3

35.3

R76

26-1/2

26-3/16

26-13/16

5/16

9/16

1/2

3.66

3.38

R77

27-1/4

26-5/8

27-7/8

5/8

7/8

13/16

11.3

11.1

R78

27-1/4

26-1/4

28-1/4

1

1-5/16

1-1/4

27.1

27.58

R79

27-1/4

25-7/8

28-5/8

1-3/8

1-3/4

1-5/8

48.7

49.75

R80

24-1/4

23-15/16

24-9/16

5/16

-

1/2

-

3.11

R81

25

24-7/16

25-9/16

9/16

-

3/4

-

8.55

R82

2-1/4

1-13/16

2-11/16

7/16

-

5/8

-

0.508

R84

2-1/2

2-1/16

2-15/16

7/16

-

5/8

-

0.564

R85

3-1/8

2-5/8

3-5/8

1/2

-

11/16

-

0.978

R86

3-9/16

2-15/16

4-3/16

5/8

-

13/16

-

1.447

R87

3-15/16

3-5/16

4-9/16

5/8

-

13/16

-

1.597

R88

4-7/8

4-1/8

5-5/8

3/4

-

15/16

-

2.735

R89

4-1/2

3-3/4

5-1/4

3/4

-

15/16

-

2.528

R90

6-1/8

5-1/4

7

7/8

-

1-1/16

-

4.55

R91

10-1/4

9

11-1/2

1-1/4

-

1-1/2

-

15.05

R92

9

8-9/16

9-7/16

7/16

11/16

5/8

2.07

2.02

R93

29-1/2

28-3/4

30-1/4

3/4

-

15/16

-

16.33

R94

31-1/2

30-3/4

32-1/4

3/4

-

15/16

-

17.44

R95

33-3/4

33

34-1/2

3/4

-

15/16

-

18.69

R96

36

35-1/8

36-7/8

7/8

-

1-1/16

-

26.65

R97

38

37-1/8

38-7/8

7/8

-

1-1/16

-

28.13

R98

40-1/4

29-3/8

41-1/8

7/8

-

1-1/16

-

29.79

R99

9-1/4

8-13/16

9-11/16

7/16

-

5/8

-

2.08

R100

R100 through R105. Information on request

RX Gaskets for API 6B Flanges

API Ring Number

Sizes of Flange (Inches)

Gasket Weight lbs.

720-960 2000lbs.

2900- lbs.

3000- lbs.

5000- lbs.

RX20

1-1/2

-

1-1/2

1-1/2

0.527

RX23

2

-

-

-

1.15

RX24

-

-

2

2

1.33

RX26

2-1/2

-

-

-

1.42

RX27

-

-

2-1/2

2-1/2

1.5

RX31

3

-

3

-

1.73

RX35

-

-

-

3

1.91

RX37

4

-

4

-

2.09

RX39

-

-

-

4

2.27

RX41

5

-

5

-

2.54

RX44

-

-

-

5

2.72

RX45

6

-

6

-

2.96

RX46

-

-

-

6

3.66

RX47

-

-

-

8*

8.56

RX49

8

-

8

-

3.79

RX50

-

-

-

8

5.36

RX53

10

-

10

-

4.56

RX54

-

-

-

10

6.45

RX57

12

-

12

-

5.36

RX63

-

-

-

14

26.4

RX65

16

-

-

-

6.63

RX66

-

-

16

-

9.39

RX69

18

-

-

-

7.52

RX70

-

-

18

-

20.14

RX73

20

-

-

-

11.63

RX74

-

-

20

-

22.1

RX82

-

1

-

-

0.79

RX84

-

1-1/2

-

-

0.88

RX85

-

2

-

-

0.88

RX86

-

2-1/2

-

-

1.79

RX87

-

3

-

-

1.98

RX88

-

4

-

-

3.22

RX89

-

3-1/2

-

-

2.98

RX90

-

5

-

-

6.82

RX91

-

10

-

-

17.1

RX99

-

-

8*

-

3.31

RX201

-

-

-

1-1/4

0.25

RX205

-

-

-

1-3/4

0.3

RX210

-

-

-

2-1/2

0.75

RX215

-

-

-

4

1.5

*Crossover flange connection.

BX Gaskets for API 6BX Flanges

API Ring Number

Nominal Flange Bore (Inches)

Gasket Weight lbs.

2,000 psi

3,000 psi

5,000 psi

10,000 psi

15,000 psi

20,000 psi

 

 

 

BX-150

-

-

-

1-11/16

1-11/16

-

0.295

BX-151

-

-

-

1-13/16

1-13/16

1-13/16

0.337

BX-152

-

-

-

2-1/16

2-1/16

2-1/16

0.425

BX-153

-

-

-

2-9/16

2-9/16

2-9/16

0.632

BX-154

-

-

-

3-1/16

3-1/16

3-1/16

0.875

BX-155

-

-

-

4-1/16

4-1/16

4-1/16

1.22

BX-156

-

-

-

7-1/16

7-1/16

7-1/16

4.14

BX-157

-

-

-

9

9

-

6.55

BX-158

-

-

-

11

11

-

9.6

BX-159

-

-

-

13-5/8

-

-

14.41

BX-160

-

-

13-5/8

-

-

-

6.75

BX-161

-

-

16-3/4

-

-

-

10.437

BX-162

-

-

16-3/4

-

-

-

4.375

BX-163

-

-

18-3/4

-

-

-

14.375

BX-164

-

-

-

-

-

-

21

BX-165

-

-

21-1/4

-

-

-

18.375

BX-166

-

-

-

-

-

-

27.5

BX-167

26-3/4

-

-

-

-

-

18

BX168

-

26-3/4

-

-

-

-

24.5

BX-169

-

5-1/8

-

-

-

-

-

BX-170

-

6-5/8

-

-

-

-

-

BX-171

-

8-9/16

-

-

-

-

-

BX-172

-

11-5/32

-

-

-

-

-

BX-303

-

30

-

-

-

-

-

BX167 is suitable for 26 3/4 Nominal Pipe Size 2,000 psi rating.

BX169 is suitable for 5 3/4 Nominal Pipe Size 10,000 psi rating.

BX168 is suitable for 26 3/4 Nominal Pipe Size 3,000 psi rating.

BX303 is suitable for 30 Nominal Pipe Size 2,000 and 3,000 psi ratings.

 

 

 

 

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