Danfoss Automatic expansion unit AVE Data sheet

Data sheet

Automatic expansion unit AVE (PN10)

Description		AVE automatic expansion unit is used to
		compensate thermal expansion of the water inside
		small substations (secondary - tap water side).
		Main data:
		•	PN 10
		• Nominal set pressure 6 bar
		• Max. expansion volume 15.5 cm3 at 10 bar
		•	Temperature:
			5-95 °C, pH 7-10
		•	Connection:
			G 3/4” A mounting on T piece connection.
		Note:
		Absolute pressure in the installation at minimum 5 °C must be
		bellow 5.3 bar.

Ordering
	Type		Connection		Code No.
	AVE		int. thread D35 G 3/4”		003L3701*
	*Industry pack (15 pcs)
Technical data
	Pressure stage			PN	10
	Nominal set pressure			bar	6
	Medium					Tap water according to DIN 1988
	Medium pH					Min. 7, max. 10
	Medium temperature			°C	5-95
	Connections					G 3/4” A mounting on T-piece connection
	Materials
	Housing					DZR Brass
	O-rings					EPDM
	Spring					Spring steel

Application example

DHW	DHW
DCW	DCW
DHS	DHS
DHR	DHR
Attention!

Not to be used with domestic hot water circulation. Use safety valve.

DH-SMT/SI

VD.CX.A2.02 © Danfoss 01/2010

1

Data sheet

Automatic expansion unit AVE (PN10)

Installation possitions

Automatic expansion unit can be installed in any

position.

ATTENTION!

Maximum installation pressure at minimum

installation temperature 5 °C is 5.3 bar.

Pressure - volume diagram

Disposal	Automatic expansion unit must be dismantled
	and the elements sorted into various material
	groups before disposal.

Design

1. Piston

2. Housing

3.Cover

4.Spring

5. Protective plug

Dimensions

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VD.CX.A2.02

Produced by Danfoss A/S © 01/2010