Union (fig) End Connections Pressure Rating (PSI)

Standard Service

Sour Service
C.W.P T.P C.W.P T.P

50

  Line Pipe

500

750

-

-

100

  Line Pipe

1000

1500

-

-

200

  Line Pipe / Butt Weld

2000

3000

-

-

206

  Line Pipe / Butt Weld

2000

3000

-

-

207

  Line Pipe / Butt Weld

2000

3000

-

-

211

  Line Pipe

2000

3000

-

-

400

  Line Pipe / Butt Weld

2500

3750

2500

3750

400

  Line Pipe / Butt Weld

4000

6000

4000

6000

600

  Line Pipe / Butt Weld

6000

9000

-

-

602

  Line Pipe / Butt Weld / NPTS

6000

9000

6000

9000

1002

  Line Pipe / Butt Weld / NPTS

10000

15000

7500

12000

1003

  Line Pipe / Butt Weld

10000

15000

-

-

1004

  Butt Weld

10000

15000

7500

12000

1502

  Line Pipe / Butt Weld / NPTS

15000

22500

10000

15000

2002

  Butt Weld

20000

30000

-

-

2202

  Butt Weld

-

-

15000

22500

Note: C.W.P - Cold Working Pressure, T.P. - Test Pressure.