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

Pressure psi g

0

145

290

435

580

739

-29 0 50 100 150 200 260

500 392 302 212 122 32 -20.2

A

Steam saturation curve

M40Si2 ISO and M40Si3 ISO - PDR 0.8 seats

B

C

10

20

30

40

51

0

Pressure bar g

The product must not be used in this region.

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

Pressure psi g

0

145

290

435

580

739

-29 0 50 100 150 200 230

446 392 302 212 122 32 -20.2

A

Steam saturation curve

M40Vi2 ISO and M40Vi3 ISO - PTFE seats

B

C

0

10

20

30

40

51

Pressure bar g

Body design conditions

ASME 150 and ASME 300

ASME 150 19 bar g @ 38 °C 276 psi g @ 100 °F ASME 300 51 bar g @ 38 °C 740 psi g @ 100 °F

PMA Maximum allowable pressure

M40Si M40Vi

260 °C @ 0 bar g

500 °F @ 0 psi g

TMA Maximum allowable temperature

230 °C @ 0 bar g

446 °F @ 0 psi g

Minimum allowable temperature

-29 °C

-20.2 °F

10.3 206

ASME 150

13.8 bar g

200 psi g

M40Si

Maximum operating pressure for saturated steam service

ASME 300

17.5 bar g

254 psi g

PMO

M40Vi M40Si M40Vi

10 bar g

145 psi g

260 °C @ 0 bar g

500 °F @ 0 psi g

TMO Maximum operating temperature

230 °C @ 0 bar g

446 °F @ 0 psi g

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

-29 °C

-20.2 °F

 PMX Maximum differential pressure is limited to the PMO

ASME 150

28.5 bar g

413 psi g

Designed for a maximum cold hydraulic test pressure of:

ASME 300

76.5 bar g

1110 psi g

TI-P133-78 CMGT Issue 8

Page 2 of 9

M40Si ISO and M40Vi ISO

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