Normal Pressure

PN

150

300

600

900

1,500

 Body strangth

Ps(MPa)

3.0

7.5

15

22.5

38

 Set pressure

Pk(MPa)

0.1-2

1.6-5

3.2-10

8-15

10-25

 Seal pressure

Pm(MPa)

90% Pk

 Reseation pressure

Ph(MPa)

90% Pk

 Relieving pressure

Pp(MPa)

1.1 Pk

 Llift

H(mm)

1/  d0 
4  

 Appropriate temperature

C 

300

P   R    

200

 Appropriate medium

Air,oil,Steam,Water,Corrosive medium