Pipeline ancillaries

Air vents and air eliminators

Dimensions/weights (approximate) in mm and kg

Spare parts

The spare parts available are shown in solid outline. Parts drawn

in broken line are not supplied as spares.

Withdrawal distance E

D

C

Available spares

Capsule and seat assembly

Cap gasket (earlier models) (packet of 3)

'O' ring

(current models) 2 x (packet of 3)

3, 4, 5, 6, 7, 8

3

3

Notes: Earlier models were fitted with conventional gaskets.

Current models are fitted with an 'O' ring to seal cap.

How to order spares

Always order spares by using the description given in the column

headed 'Available spares' and state the size and type of air vent.

Example: 1 - Capsule and seat assembly for 1⁄2" Spirax Sarco AV13.

A

B

Size

A

B

C

D

E

Weight

3

/

8

"

18

32

49

25

55

0.40

1⁄2"

20

38

53

25

55

0.40

3⁄4"

27

40

62

25

55

0.45

Safety information, installation and maintenance

For full details see the Installation and Maintenance Instructions

(IM-P010-07) supplied with the product.

Installation note:

The air vent should be positioned at the highest point of the main

or plant where the air collects. The outlet should be piped to a safe

place.

Disposal

The product is recyclable. No ecological hazard is anticipated

with disposal of this product providing due care is taken.

However, if the recycling processs involves a temperature

approaching 315°C, caution is advised regarding decomposition

of the fluorocarbon rubber component.

How to order

Example: 1 off 1⁄2" Spirax Sarco AV13 air vent screwed BSP.

2

3

5

4

6

7

8

Recommended tightening torques

Item No. Part

N m

90 - 100

50 - 60

35 - 40

or

mm

50 A/F

2

7

Seat

Gasket

'O' ring

50 A/F

17 A/F

AV13 Air Vent for Steam Systems

TI-P010-02 ST Issue 10

7.12.2