Pipeline ancillaries Bellows sealed stop valves
10
Product limitations (continued)
BSA3T and BSA3 (ASME)
Pressure psi g
0
145
290
435
580
740
797 572 392 212 32 -20
Steam saturation curve
Pressure bar g
The product must not be used in this region.
C - D C - E C - F
Flanged ASME 150 Flanged JIS/KS 20K Flanged ASME 300
Note: ∆PMX Maximum differential pressure is limited to the PMO.
ASME 150
ASME 300
JIS/KS 20K
Body design conditions
PMA Maximum allowable pressure
19.6 bar g (284 psi g)
51 bar g (740 psi g)
34 bar g (493 psi g)
TMA Maximum allowable temperature
425 °C (797 °F)
425 °C (797 °F)
425 °C (797 °F)
Maximum operating pressure for saturated steam service
PMO
14 bar g (203 psi g)
*41.6 bar g (603 psi g)
*30.7 bar g (445 psi g)
Soft seat
230 °C (446 °F)
230 °C (446 °F)
230 °C (446 °F)
Maximum operating temperature
TMO
7.1.18
Metal seat
425 °C (797 °F)
425 °C (797 °F)
425 °C (797 °F)
Minimum operating temperature
-29 °C (-20 °F)
-29 °C (-20 °F)
0 °C (32 °F)
Product is safe for use under full vacuum conditions Designed for a maximum cold hydraulic test pressure of:
31 bar g (450 psi g) 50 bar g (725 psi g) * Maximum operating pressure is limited to 27 bar g (391 psi g)for the soft seat version only 77 bar g (1117 psi g)
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 21
TI-P137-18 CMGT Issue 15
Page 15 of 17
BSAT and BSA Bellows Sealed Stop Valves
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