Pipeline ancillaries Air vents and air eliminators
10
Pressure/temperature limits (ISO 6552) (continued) Flanged: JIS/KS 30K
A
0 100 200 300 400 450
Steam saturation curve
D
0
10
20
30
40
48
Pressure bar g
The product must not be used in this region or beyond the parameter of the PMA or TMA of the relative end connection. The product should not be used in this region as damage to the internals may occur.
Body design condition
JIS/KS 30K
48 bar g @ 0 ° C
PMA Maximum allowable pressure
450 ° C @ 22 bar g
TMA Maximum allowable temperature
-10 ° C
Minimum allowable temperature
A - D
45 bar g @ 100 ° C 450 ° C @ 22 bar g
PMO Maximum operating pressure for saturated steam service
TMO Maximum operating temperature
0 ° C
Minimum operating temperature
Designed for a maximum cold hydraulic test pressure of:
77 bar g
Kv values Size
DN15 ½"
DN20 ¾"
DN25 1"
DN40 1½"
For conversion: Cv (UK) = Kv x 0.963 Cv (US) = Kv x 1.156
Kv value
0.25
0.6
0.6
0.6
10.11 29
TI-P123-03 CMGT Issue 7
Page 3 of 6
AV45 Air Vent for Steam Systems
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