Product Handbook 2026 - Volume 2

Pipeline ancillaries Ball valves

10

Sizes and pipe connections DN40, DN50, DN65, DN80 and DN100 Standard flange: EN 1092 PN40

Face-to-face dimensions are in accordance with DIN 3202 F4 Jacket input and output connections: Threaded ½" BSPT 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

100 150 200 260

M21Si - PDR 0.8 seats

Steam saturation curve

0 50

0

5 10152025303540

Pressure bar g

100 150 200 230

M21Vi - PTFE seats

Steam saturation curve

0 50

10

20

30

40

0

Pressure bar g

7.3.163

The product must not be used in this region.

Body design conditions

PN40

M21SiJ

40 bar g @ 120 °C

PMA Maximum allowable pressure

M21ViJ

40 bar g @ 120 °C

M21SiJ

260 °C @ 0 bar g

TMA Maximum allowable temperature

M21ViJ

230 °C @ 0 bar g

M21SiJ

17.5 bar g

10.3 162

PMO Maximum operating pressure for saturated steam service

M21ViJ

10 bar g

PMO Jacket

10 bar g

M21SiJ

260 °C @ 0 bar g

TMO Maximum operating temperature

M21ViJ

230 °C @ 0 bar g

 PMX Maximum differential pressure is limited to the PMO

Valve

60 bar g

Designed for a maximum cold hydraulic test pressure of:

Jacket

15 bar g

TI-P133-99 CMGT Issue 2

Page 2 of 10

M21SiJ ISO and M21ViJ ISO Jacketed Reduced Bore Ball Valves

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