Pipeline ancillaries

Lift check valves

Page 5 of 8

LCV7 pressure / temperature limits

A

D

Steam

saturation

curve

H

C

B

G

E

Steam

saturation

curve

F

A -B

A -C

D- G

D- H

Screwed BSP and flanged EN

Screwed NPT and flanged EN

Flanged ASME 250.

Flanged ASME 125.

1092 PN25.

1092 PN16.

Pressure bar g

The product must not be used in this region.

������

������

������

������

������

����

��

E - F

��

��

��

��

��

����

���� ��������

Pressure bar g

The product must not be used in this region.

Flanged JIS / KS 10.

Body design conditions

PMA Maximum allowable pressure

TMA Maximum allowable temperature

Minimum allowable temperature

PN16

16 bar g @ 120°C

300°C @ 12.8 bar g

-10°C

14.7 bar g

300°C @ 12.8 bar g

-10°C

24 bar g

PN25

25 bar g @ 120°C

300°C @ 20 bar g

-10°C

22.5 bar g

300°C @ 20 bar g

-10°C

38 bar g

ASME 125

13.8 bar g @ 65°C

232°C @ 8.6 bar g

-10°C

10 bar g

232°C @ 8.6 bar g

-10°C

20.5 bar g

ASME 250

34.5 bar g @ 65°C

232°C @ 17.2 bar g

-10°C

19.4 bar g

232°C @ 17.2 bar g

-10°C

52 bar g

JIS / KS 10

13.7 bar g @ 120°C

300°C @ 9.8 bar g

0°C

12.3 bar g

300°C @ 9.8 bar g

0°C

20 bar g

Flanged EN 1092 PN16

PMO Maximum operating pressure for saturated steam service

TMO Maximum operating temperature

Screwed BSP

and

Flanged EN 1092 PN25

Minimum operating temperature

Note: For lower operating temperatures consult Spirax Sarco.

Designed for a maximum cold hydraulic test pressure of:

Body design conditions

PMA Maximum allowable pressure

TMA Maximum allowable temperature

Minimum allowable temperature

PMO Maximum operating pressure for saturated steam service

TMO Maximum operating temperature

Minimum operating temperature

Note: For lower operating temperatures consult Spirax Sarco.

Designed for a maximum cold hydraulic test pressure of:

Body design conditions

PMA Maximum allowable pressure

TMA Maximum allowable temperature

Minimum allowable temperature

Flanged ASME 125

PMO Maximum operating pressure for saturated steam service

TMO Maximum operating temperature

Minimum operating temperature

Note: For lower operating temperatures consult Spirax Sarco.

Designed for a maximum cold hydraulic test pressure of:

Body design conditions

PMA Maximum allowable pressure

TMA Maximum allowable temperature

Screwed NPT

and

PMO Maximum operating pressure for saturated steam service

Flanged ASME 250

TMO Maximum operating temperature

Minimum operating temperature

Note: For lower operating temperatures consult Spirax Sarco.

Designed for a maximum cold hydraulic test pressure of:

Body design conditions

PMA Maximum allowable pressure

TMA Maximum allowable temperature

Minimum allowable temperature

Minimum allowable temperature

Flanged JIS / KS 10

PMO Maximum operating pressure for saturated steam service

TMO Maximum operating temperature

Minimum operating temperature

Note: For lower operating temperatures consult Spirax Sarco.

Designed for a maximum cold hydraulic test pressure of:

LCV3, LCV4, LCV6 and LCV7 Lift Check Valves

TI-P029-16 ST Issue 4

Page 5 of 8

7.5.8

T

e

m

p

e

r

a

t

u

r

e

°

C

T

e

m

p

e

r

a

t

u

r

e

°

C