Pipeline ancillaries Air vents and air eliminators
10
Pressure/temperature limits (ISO 6552)
Steam saturation curve
Pressure bar g
The product must not be used in this region.
The product should not be used in this region or beyond its operating range as damage to the internals may occur.
A - B Screwed, socket weld, butt weld and flanged ANSI 300. A - C Flanged JIS/KS 20K. A - D Flanged ASME (ANSI) 150.
A - E Flanged ANSI 150. F - G Flanged JIS/KS 10K.
Body design conditions
ANSI 300
50 bar g @ 50 ° C
PMA Maximum allowable pressure
400 ° C @ 30 bar g
TMA Maximum allowable temperature
-104 ° C
Minimum allowable temperature
PMO Maximum operating pressure for saturated steam service
32 bar g
287 ° C @ 32 bar g
TMO Maximum operating temperature
Minimum operating temperature Note: For lower operating temperatures consult Spirax Sarco. Product is safe for use under full vacuum conditions Designed for a maximum cold hydraulic test pressure of
0 ° C
75 bar g
Kv values Size
DN15 - ½"
DN20 - ¾"
DN25 - 1"
Kv
0.8
0.8
0.8
For conversion: Cv (UK) = Kv x 0.963 Cv (US) =Kv x 1.156
10.11 10
TI-P123-16 CMGT Issue 7
Page 2 of 5
AVS32 Stainless Steel Air Vent for Steam Systems
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