Pipeline ancillaries Air vents and air eliminators
10
Materials
DN15 and DN20
1 2 3 16 15 4 8
1 2 3
16
15
4
DN25
6 5
9
65 9
8
No. Part
Material
1
Body
Carbon steel
ASTM A216 WCB/BS EN 10213 GP240GH +N
Cover studs
Chrome moly steel
DIN 17240 21Cr MoV57
2
Cover nuts
Chrome moly steel
EN 10269 25 Cr Mo 4
3 4 5 6 7 8
Cover gasket
Reinforced exfoliated graphite
Cover
Carbon steel
ASTM A216 WCB/BS EN 10213 GP240GH +N
10.11 54
Valve seat
Stainless steel
BS 970 431 S29
Valve seat gasket
Stainless steel
BS 1449 304 S11
Pivot frame assy.set screws (not shown)
Stainless steel
BS 4183 18/8
Ball float and lever
Stainless steel
BS 1449 304 S16
AE44
Viton
9
Valve cone
AE44S
Stainless steel
AISI 440B
15
Support frame
Stainless steel
BS 1449 304 S16
16
Pivot frame
Stainless steel
BS 1449 304 S16
17
Pivot (not shown)
Stainless steel
Note: The valve cone AE44S is permanently attached to the ball float and lever.
TI-P149-08 CMGT Issue 9
Page 2 of 6
AE44 and AE44S Automatic Air and Gas Vents for Liquid Systems
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