Control valves

Safety valves

Page 2 of 5

4.7.21

Pressure/temperature limits

Please contact Spirax Sarco, when so required, for relevant details regarding the maximum allowable limits that the shell can withstand.

SV604H PN40 inlet

SV607H PN25 inlet

SV607H PN16 inlet

Body design conditions

Set pressure range

Temperature

Performance data

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Pressure bar g

Pressure bar g

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Pressure bar g

Minimum

Maximum

Minimum

Maximum

SV604H

SV607H

Maximum

Minimum

EPDM seat

Viton seat

PN40

PN16 or PN25

10 bar g

1 bar g

5°C

120°C

5°C

120°C

10%

10% of set pressure

0.5

Up to 10% of set pressure

60 bar g

38 bar g

24 bar g

Designed for a maximum inlet

cold hydraulic test pressure of:

Overpressure

Blowdown limit

Derated coefficient of discharge values

Backpressure limit

PN40

PN25

PN16

SV60H Safety Valve

TI-P317-02 CH Issue 4

Page 2 of 5

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