Pipeline ancillaries

Air vents and air eliminators

Safety information, installation and maintenance

For full details see the Installation and Maintenance Instructions (IM-P123-23) supplied with the product.

Installation note:

The unit is designed for installation in vertical lines with the flow upwards to ensure self-draining operation. Do not expose element to

superheat conditions since over-expansion may result.

Suitable isolation valves must be installed to allow for safe maintenance/replacement.

How to order

Example: 1 off Spirax Sarco DN15 AVM7 maintainable thermostatic clean steam air vent with tube ends to ISO 1127, Series 1.

(21.3 mm O/D x 1.6 mm wall thickness). Tangent length of tube ends to be 40 mm for ease of orbital welding. Body to be self-

draining. Suitable for pressures up to 7 bar g.

Material certification to EN 10204 3.1.

Spare parts

Available parts are shown in solid outline. Parts drawn in a grey

line are not available as spares.

Available spares

Element assembly

4

'O' ring (packet of 3)

3

How to order spares

Always order spares by using the description given in the column

headed 'Available spares' and state the size, type and end

connection of the trap.

Example: 1 off Element assembly for a Spirax Sarco 1⁄2" AVM7

thermostatic clean steam air vent having screwed NPT

connections.

5

7.12.10

Recommended tightening torques

Item Part

5

Nuts and bolts

Nm

3 - 4

4

3

5

or

mm

8 A/F

M5

TI-P123-22 CMGT Issue 7

Page 3 of 3

AVM7 Stainless Steel Thermostatic Air Vent