1-13/16"

10,000

7-3/8"

8

3/4"

5-1/4"

BX-151

15,000

8-3/16"

8

7/8"

6"

BX-151

20,000

10-1/8"

8

1"

7-3/4"

BX-151

2-1/16"

2,000

6-1/2"

8

5/8"

5/8"

R-23

3,000/5,000

8-1/2"

8

7/8"

7/8"

R-24

10,000

7-7/8"

8

3/4"

3/4"

BX-152

15,000

8-3/4"

8

7/8"

7/8"

BX-152

20,000

11-5/16"

8

1-1/8"

1-1/8"

BX-152

2-9/16"

2,000

7-1/2"

8

3/4"

5-1/4"

R-26

3,000/5,000

9-5/8"

8

1"

7"

R-27

10,000

9-1/8"

8

7/8"

6-1/4"

BX-153

15,000

10"

8

1"

7"

BX-153

20,000

12-13/16"

8

1-1/4"

9-1/2"

BX-153

3-1/8"

2,000

8-1/4"

8

3/4"

5-1/2"

R-31

3,000

9-1/2"

8

7/8"

6-1/4"

R-31

5000

10-1/2"

8

1-1/8"

7-3/4"

R-35

3-1/16"

10,000

10-5/8"

8

1"

7-1/4"

BX-154

15,000

11-5/16"

8

1-1/8"

8"

BX-154

20,000

14-1/16"

8

1-3/8"

10-3/4"

BX-154

4-1/16"

2,000

10-3/4"

8

7/8"

6-1/4"

R-37

3,000

11-1/2"

8

1-1/8"

7-1/2"

R-37

5,000

12-1/4"

8

1-1/4"

8-1/2"

R-39

10,000

12-7/16"

8

1-1/8"

8-3/8"

BX-155

15,000

14-3/16"

8

1-3/8"

9-3/4"

BX-155

20,000

17-9/16"

8

1-3/4"

12-3/4"

BX-155

5-1/8"

5,000

14-3/4"

8

1-1/2"

10-3/4"

R-44

Flange Size

Working Pressure (psi)

Outside Diameter

Number of Bolt Holes

Diameter of Bolts

Length of Bolts

API Ring Gasket

7-1/16"

2,000

14"

12

1"

7-1/2"

R-45

3,000

15"

12

1-1/8"

8-1/2"

R-45

5,000

15-1/2"

12

1-3/8"

11-1/4"

R-46

10,000

18-7/8"

12

1-1/2"

11-3/4"