Product Handbook 2026 - Volume 2

Pipeline ancillaries Ball valves

10

Pressure/temperature limits

A

Steam saturation curve

B

C

Pressure bar g

The product must not be used in this region.

A - B 2" FB and 2½" RB only. A - C ¼" - 1½" FB, RB and 2" RB.

Note: The flange standard may restrict the maximum operating pressure. Please check with Spirax Sarco.

PMA Maximum allowable pressure

100 bar g @ 60 °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  PMX Maximum differential pressure is limited to the PMO Designed for a maximum cold hydraulic test pressure of

-29 °C

150 bar g

7.3.27

10.3 42

TI-P133-58 CMGT Issue 8

Page 2 of 7

M10Si ISO Ball Valve DN¼" to DN2½"

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