Product Handbook 2026 - Volume 2

Pipeline ancillaries Bellows sealed stop valves

10

Product limitations

BSA1T and BSA1

Pressure psi g

0

29

58

87

116 145

174 203 232

B A

572

392

212

Steam saturation curve

A B

32

Pressure bar g

The product must not be used in this region.

A - B Flanged JIS/KS 10K A - C Flanged PN16

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

PN16

JIS/KS 10K

Body design conditions

PMA Maximum allowable pressure

16 bar g (232 psi g)

14 bar g (203 psi g)

TMA Maximum allowable temperature

300 °C (572 °F)

220 °C (428 °F)

PMO Maximum operating pressure for saturated steam service

12.9 bar g (187 psi g)

11 bar g (160 psi g)

Soft seat

230 °C (446 °F)

220 °C (428 °F)

TMO Maximum operating temperature

Metal seat

300 °C (572 °F)

220 °C (428 °F)

Minimum operating temperature

-10 °C (14 °F)

-10 °C (14 °F)

Designed for a maximum cold hydraulic test pressure of:

24 bar g (348 psi g)

20 bar g (290 psi g)

7.1.15

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)

10.1 18

TI-P137-18 CMGT Issue 15

Page 12 of 17

BSAT and BSA Bellows Sealed Stop Valves

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