Pipeline ancillaries Air vents and air eliminators
10
Kv value Kv value 0.45 (cold) For conversion: Cv (UK) = Kv x 0.963 Cv (US) = Kv x 1.156
Materials
2 5 3 4 6 8 7
1
No. Part
Material
1 2 3 4 5 6 7 8
Body
Brass
BS EN 12165 CW 617N
Cap
Brass
BS EN 12165 CW 617N
'O' ring
Synthetic rubber high fluorine fluorocarbon
Capsule
Stainless steel
Spring
Stainless steel
BS 2056 302 S26
Spacer plate
Stainless steel
BS 1449 304 S16
7.11.3
Seat
Stainless steel
BS 970 431 S29
Seat gasket
Stainless steel
BS 1449 304 S11
Dimensions/weights (approximate) in mm and kg Size A B C D
E
Weight
Withdrawal distance E
3/8 " ½" ¾"
18
32
49
25
55
0.40
10.11 2
20
38
53
25
55
0.40
D
27
40
62
25
55
0.45
C
A
B
TI-P010-02 CMGT Issue 12
Page 2 of 3
AV13 Air Vent for Steam Systems
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