Pipeline ancillaries

Lift check valves

Page 4 of 8

Steam

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D

B

7.5.7

A

C

E

Steam

saturation

curve

F

LCV6 pressure / temperature limits

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Pressure bar g

Pressure bar g

The product must not be used in this region.

Flanged JIS / KS 20.

The product must not be used in this region.

Screwed NPT, socket weld and flanged ASME 300.

E - F

Screwed BSP and flanged EN

Flanged ASME 150.

1092 PN40.

Body design conditions

Screwed BSP

and

Flanged EN 1092 PN40

Screwed NPT

Socket weld

and

Flanged ASME 300

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

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

PN40

40 bar g @ 50°C

400°C @ 27.4 bar g

-10°C

32.3 bar g

400°C @ 27.4 bar g

-10°C

60 bar g

ASME 300

49.6 bar g @ 38°C

400°C @ 29.4 bar g

-10°C

34 bar g

400°C @ 29.4 bar g

-10°C

76 bar g

ASME 150

19 bar g @ 38°C

400°C @ 6.5 bar g

-10°C

13.8 bar g

400°C @ 6.5 bar g

-10°C

30 bar g

JIS / KS 20

34 bar g @ 120°C

300°C @ 32 bar g

0°C

23.5 bar g

300°C @ 32 bar g

0°C

51 bar g

Minimum allowable temperature

Flanged ASME 150

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 JIS / KS 20

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 4 of 8

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