Product Handbook 2026 - Volume 2

Pipeline ancillaries Bellows sealed stop valves

10

Pressure/temperature limits - EN 1092 and EN 12516-1 BSA6-BD A C B

400 300 200 100 0

350 250 150 50 -10

Flanged: PN16 PN25

Steam saturation curve

C

B

0

5

10

15

20

25

Pressure bar g

The product must not be used in this region or beyond the parameter of the PMA or TMA of the relative end connection.

Body design condition

PN16

PMA Maximum allowable pressure

16 bar g @ 50 °C

TMA Maximum allowable temperature

400 °C @ 9.4 bar g

Minimum allowable temperature

-10 °C

PMO Maximum operating pressure for saturated steam service

12.33 bar g

A - B - B PN16

TMO Maximum operating temperature

400 °C @ 9.4 bar g

Minimum operating temperature

-10 °C

Minimum operating pressure

0 bar g

Maximum differential pressure is limited to the PMO Designed for a maximum cold hydraulic test pressure of:

24 bar g

Body design condition

PN25

PMA Maximum allowable pressure

25 bar g @ 50 °C

TMA Maximum allowable temperature

400 °C @ 14.7 bar g

7.1.22

Minimum allowable temperature

-10 °C

PMO Maximum operating pressure for saturated steam service

18.58 bar g

A - C- C PN25

TMO Maximum operating temperature

400 °C @ 14.7 bar g

Minimum operating temperature

-10 °C

Minimum operating pressure

0 bar g

Maximum differential pressure is limited to the PMO Designed for a maximum cold hydraulic test pressure of:

37.5 bar g

10.1 29

TI-P184-18 CMGT Issue 5

Page 5 of 7

BSA3-BD and BSA6-BD Bellows Sealed Stop Valves

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