Product Handbook 2026 - Volume 2

Pipeline ancillaries Ball valves

10

Pressure / temperature limits

A

Steam saturation curve

C

B

Pressure bar g

The product must not be used in this region.

A - B Flanged ASME 300 A - C Flanged ASME 150

Body design conditions

ASME 150 and ASME 300

ASME 150

19 bar g @ 38 °C

PMA Maximum allowable pressure

ASME 300

51 bar g @ 38 °C

TMA Maximum allowable temperature

260 °C @ 0 bar g

Minimum allowable temperature

-29 °C

PMO Maximum operating pressure for saturated steam service

17.5 bar g

TMO Maximum operating temperature

260 °C @ 0 bar g

Minimum operating temperature Note : For lower operating temperatures consult Spirax Sarco

-29 °C

PMX Maximum differential pressure is limited to the PMO

ASME 150

28.5 bar g

Designed for a maximum cold hydraulic test pressure of

ASME 300

76.5 bar g

10.3 236

TI-P133-88 CMGT Issue 3

Page 2 of 9

M40HTi (Tobacco) Reduced Bore Ball Valve DN25 to DN150 Flanged ASME 150 and ASME 300

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