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Bolting Chart 1

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Bolting Chart 2

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Bleed Rings

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Choke Bodies
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Chokes

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Adjustable Chokes

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Positive Chokes

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W-H2 Profile

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Flanged Chokes

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WFT Chokes

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Beans

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Stems & Seats

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Flow Chart

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Flow Control Valves
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Flow Control Valve

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FCV Assembly, Repair & Calibration Manual

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WM#1

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WM#1 Specifications

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WM#1 Engineering Data

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WM#1 FCV-5 Engineering Data

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WM#1 FCV-5 Cutout

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WM#1 Heat Exchanger

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Flanges
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Flanges

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Coupon Holder 
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Coupon Holder

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BPV Lubricator 
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WM-10 BPV Lubricator

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BPV Lubricator Photo Gallery

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Clamp Connectors
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Techlok Clamp Connectors

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Charts
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Wall Thickness Chart

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Bore Chart (I.D. of Pipe)

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Tap & Drill Size Chart

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Fractional Inches Conversion Chart

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Misc. Products
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Flanged Open-Flow
Elbows

Bolting and Ring Gasket Data For API and ANSI Flanges

Chart for 5 - 24"

Primary Service Pressure Rating

Bolting

Flange Facing

Nominal Pipe Size

1/2

3/4

1

1 1/4

1 1/2

2

2 1/2

3

3 1/2

4

150 Pound

Diameter Length of Stud Bolts Ring Size

1/16 1RF

RTJ

R

4

4

4

4

4

4

4

4

8

8

1/2

1/2

1/2

1/2

1/2

5/8

5/8

5/8

5/8

5/8

2 1/2

2 1/2

2 3/4

2 3/4

3

3 1/4

3 1/2

3 3/4

3 3/4

3 3/4

-

-

3 1/4

3 1/4

3 1/2

3 3/4

4

4 1/4

4 1/4

4 1/4

-

-

15

17

19

22

25

29

33

36

300 Pound

Number Diameter Length of Stud Blots Ring Size

1/16 RF

RTJ

R

RX

4

4

4

4

4

8

8

8

8

8

1/2

5/8

5/8

5/8

3/4

5/8

3/4

3/4

3/4

3/4

2 3/4

3

3 1/4

3 1/4

3 3/4

3 1/2

4

4 1/4

4 1/2

4 1/2

3 1/4

3 1/2

3 3/4

3 3/4

4 1/4

4 1/4

4 3/4

5

5 1/4

5 1/4

11

13

16

18

20

23

26

31

34

37

-

-

-

-

20

23

26

31

34

37

400 Pound

Number Diameter Length of Stud Blots Ring Size

1/4 RF

RTJ

R

RX

4

4

4

4

4

8

8

8

8

8

1/2

5/8

5/8

5/8

3/4

5/8

3/4

3/4

7/8

7/8

3 1/4

3 1/2

3 3/4

4

4 1/4

4 1/4

4 3/4

5

5 1/2

5 1/2

3 1/4

3 1/2

3 3/4

4

4 1/4

4 1/2

5

5 1/4

5 3/4

5 3/4

11

13

16

18

20

23

26

31

34

37

-

-

-

-

20

23

26

31

34

37

600 Pound

Number Diameter Length of Stud Blots Ring Size

1/4 RF

RTJ

R

RX

4

4

4

4

4

8

8

8

8

8

1/2

5/8

5/8

5/8

3/4

5/8

3/4

3/4

7/8

7/8

3 1/4

3 1/2

3 3/4

4

4 1/4

4 1/4

4 3/4

5

5 1/2

5 3/4

3 1/4

3 1/2

3 3/4

4

4 1/4

4 1/2

5

5 1/4

5 3/4

6

11

13

16

18

20

23

26

31

34

37

-

-

-

-

20

23

26

31

34

37

900 Pound

Number Diameter Length of Stud Blots Ring Size

1/4 RF

RTJ

R

RX

4

4

4

4

4

8

8

8

-

8

3 /4

3/4

7/8

7/8

1

7/8

1

7/8

-

1 1/8

4 1/4

4 1/2

5

5

5 1/2

5 3/4

6 1/4

5 3/4

-

6 3/4

4 1/4

4 1/2

5

5

5 1/2

6

6 1/2

6

-

7

12

14

16

18

20

24

27

31

-

37

-

-

-

-

20

24

27

31

-

37

1500 Pound

Number Diameter Length of Stud Blots Ring Size

1/4 RF

RTJ

R

RX

4

4

4

4

4

8

8

8

-

8

3/4

3/4

7/8

-

1

7/8

1

1 1/8

-

1 1/4

4 1/4

4 1/2

5

5

5 1/2

5 3/4

6 1/4

7

-

7 3/4

4 1/4

4 1/2

5

5

5 1/2

6

6 1/2

7 1/4

-

8

12

14

16

18

20

24

27

35

-

39

-

-

-

-

20

24

27

35

-

39

2500 Pound

Number Diameter Length of Stud Blots Ring Size

1/4 RF

RTJ

R

RX

4

4

4

4

4

8

8

8

-

8

3/4

3/4

7/8

1

1 1/8

1

1 1/8

1 1/4

-

1 1/2

5

5

5 1/2

6

6 3/4

7

7 3/4

8 3/4

-

10

5

5

5 1/2

6 1/4

7

7 1/4

8

9

-

10 1/2

13

16

18

21

23

26

28

32

-

38

-

-

-

21

23

26

28

32

-

38