Product Handbook 2026 - Volume 2

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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