Spirax Sarco - Catalogo Agosto 2017

Pipeline ancillaries

Bellows sealed stop valves

Product

limitations

BSA3T and BSA3 (ASME)

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Pressure bar g

ASME 150

19.6 bar g

425°C

14 bar g

230°C

425°C

-29°C

31 bar g

C - D Flanged ASME 150

C - E FlangedJIS/KS20K

Key:

The product must not be used in this region.

Maximum permissible differential pressure in throttling function:

Note: ∆PMX Maximum differential pressure is limited to the PMO.

DN15 - DN80

2.0 bar

DN150

1.0 bar

DN100 - DN125 1.5 bar

DN200 - DN250

0.8 bar

Steam

saturation

curve

C - F

Flanged ASME 300

JIS/KS 20K

34 bar g

425°C

*30.7 bar g

230°C

425°C

0°C

50 bar g

Body design conditions

PMA - Maximum allowable pressure

TMA - Maximumallowabletemperature

PMO - Maximum operating pressure for saturated steam service

ASME 300

51 bar g

425°C

*41.6 bar g

230°C

425°C

-29°C

77 bar g

TMO - Maximum operating temperature

Soft seat

Metal seat

Minimum operating temperature

Designed for a maximum cold hydraulic test pressure of:

BSA6T and BSA64

* Maximum operating pressure is limited to 27 bar g for the soft seat version only

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Pressure bar g

Steam

saturation

curve

7.1.12

Body design conditions

PMA - Maximum allowable pressure

TMA - Maximum allowable temperature

Minimum allowable temperature

PN40

40 bar g @ 50°C

400°C @ 25 bar g

-10°C

29.8 bar g @ 236°C

27.0 bar g @ 230°C

400°C @ 25.6 bar g

230°C @ 27.0 bar g

-10°C

Limited to the PMO

2 bar

1.5 bar

60 bar g

PMO -

Maximum operating pressure for

Metal seat

Soft seat

Metal seat

Soft seat

On/off function

Throttling function

saturated steam service

∆PMX - Maximum differential pressure

Designed for a maximum cold hydraulic test pressure of:

TMO -

Minimum operating temperature

Maximum operating temperature

DN15 - DN80

DN100

TI-P137-18 ST Issue 6

BSAT and BSA Bellows Sealed Stop Valves

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