美標先導式安全閥主要性能規(guī)范Main property and specifiecation

 Normal Pressure

PN

150

300

600

900

1,500

 Body strangth

Ps(MPa)

3.0

7.5

15

22.5

37.5

 Set pressure

Pk(MPa)

0.1-2

1.6-5

3.2-10

8-15

10-25

 Seal pressure

Pm

90% Pk

 Reseation pressure

Ph

90% Pk

 Relieving pressure

Pp

1.1 Pk

 Llift

H(mm)

1/  d0 4 

 Appropriate temperature

250

 Appropriate medium

Air,oil,Steam,Water,Corrosive medium

美標先導式安全閥主喉部直徑代號Code of throat diameter

Code

Diameter

Code

Diameter

D

10

L

50

E

13

M

55

F

16

N

60

G

20.5

P

72

H

26

Q

96

J

33

R

115