Product Handbook 2026 - Volume 2

Pipeline ancillaries Ball valves

10

Technical data Flow characteristic

Modified linear

Port

Reduced bore

Leakage test procedure to ISO 5208 (Rate A)/EN 12266-1 (Rate A) Antistatic device (optional) complies with ISO 7121 and BS 5351

Pressure/temperature limits

-29 0 50 100 150 200 260 310

A

Steam saturation curve

C

B

10

20

30

40

51

0

Pressure bar g

The product must not be used in this region. The product can only be used in this region for short periods of time.

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

310 °C @ 0 bar g For continuous operation, the maximum temperature is 260 °C 260 °C is for short periods only

Minimum allowable temperature

-29 °C

ASME 150

13.8 bar g

PMO Maximum operating pressure for saturated steam service

ASME 300

39 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

10.3 226

Designed for a maximum cold hydraulic test pressure of 76.5 bar g

ASME 300

76.5 bar g

TI-P133-87 CMGT Issue 4

Page 2 of 10

M40Hi ISO Reduced Bore Ball Valve DN25 to DN150 Flanged ASME 150 and ASME 300

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