Product Handbook 2026 - Volume 2

Product limitations (continued) Pipeline ancillaries Bellows sealed stop valves

10

BSA3T and BSA3 (DIN)

Pressure psi g

0

72 145 218 290 363

435 508 580

752 572 392 212 32

PN40, DN15 - DN150 (½" - 6")

Steam saturation curve

Pressure bar g

Pressure psi g

0

72

145

218

290

363

752 572 392 212 32

PN25, DN200 (8")

Steam saturation curve

Pressure bar g

The product must not be used in this region.

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

PN25, DN200 (8")

PN40, DN15 - DN150 (½" - 6")

Body design conditions

PMA Maximum allowable pressure

25 bar g (363 psi g)

40 bar g (580 psi g)

7.1.17

TMA Maximum allowable temperature

400 °C (752 °F)

400 °C (752 °F)

PMO Maximum operating pressure for saturated steam service

23.2 bar g (336 psi g)

* 30.4 bar g (441 psi g)

Soft seat

230 °C (446 °F)

230 °C (446 °F)

TMO Maximum operating temperature

Metal seat

400 °C (752 °F)

400 °C (752 °F)

Minimum operating temperature

-10 °C (14 °F)

-10 °C (14 °F)

Product is safe for use under full vacuum conditions Designed for a maximum cold hydraulic test pressure of:

38 bar g (551 psi g) 60 bar g (870 psi g) * Maximum operating pressure is limited to 27 bar g (392 psi g) for the soft seat version only

10.1 20

Maximum permissible differential pressure in throttling function: DN15 - DN80 (½" - 3") 2.0 bar (29 psi) DN100 - DN125 (4" - 5") 1.5 bar (22 psi) DN150 (6") 1.0 bar (15 psi) DN200 - DN250 (8" - 10") 0.8 bar (12 psi)

TI-P137-18 CMGT Issue 15

Page 14 of 17

BSAT and BSA Bellows Sealed Stop Valves

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