Steam traps

Manifolds and insulation jackets

Steam

saturation

curve

C

B

5.10.3

A

Pressure / temperature limits

The product must not be used in this region.

A - B Flanged ASME Class 300, screwed and socket weld.

A - C Flanged ASME Class 150.

Body design conditions

PMA Maximum allowable pressure

TMA Maximum allowable temperature

Minimum allowable temperature

ASME Class 300

51 bar g @ 38 °C

425 °C @ 28 bar g

-46 °C

14 bar g

41.5 bar g

425 °C @ 5.5 bar g

425 °C @ 28 bar g

0 °C

Pressure bar g

PMO Maximum operating pressure for saturated steam service

TMO Maximum operating temperature

Minimum operating temperature

Note: For lower operating temperatures consult Spirax Sarco

Designed for a maximum cold hydraulic test pressure of 76 bar g

Kv values

All sizes

Kv 1.8

For conversion:

Cv (UK) = Kv x 0.963

Cv (US) = Kv x 1.156

The Kv stated is for each valve rather than the complete manifold.

ASME 150

ASME 300, SW, NPT

ASME 150

ASME 300, SW, NPT

Page 2 of 6

TI-P117-02 CMGT Issue 11

MSC Manifolds - ASTM for Steam Distribution and Condensate Collection

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