R99-R99I-0159 datasheet(1/4 Pages) GIACOMINI

Il numero della parte	R99-R99I-0159

Spiegazioni elettronici	Automatic air vent valves

PDF	4 Pages

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Produttore elettronici	GIACOMINI [GIACOMINI WATER E-MOTION]

Homepage	https://www.giacomini.com/en

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Giacomini S.p.A.

Via per Alzo 39, 28017 San Maurizio d’Opaglio (NO) Italia

 consulenza.prodotti@giacomini.com

 +39 0322 923372 - giacomini.com

R99, R99I

Datasheet

0159EN  03/2021

Automatic

air vent valves



Versions and product codes

SERIES

PRODUCT CODE CONNECTIONS

FEATURE

R99

R99Y001

G 1/4”M

-

R99Y002

G 3/8”M

R99Y003

G 1/2”M

Without plastic paddle

R99Y033

Ø 15 mm

With nut and ferrule

R99I

R99IY002

G 3/8”M

With R160

shut-off valve

R99IY003

R 1/2”



Technical data

• Temperature range: 5÷120°C

• Max. working pressure: 14 bar

• Max. pressure of air vent operation: 7 bar

• Use fluids: water and glycol solutions (max. 50%)

Materials

• Body and cap: UNI EN 12165 CW617N brass

• O-Ring: EPDM

• Stopper spring: stainless steel

• Internal float: PP-H

Performance

The table and the graph report the discharge air capacities,

in standard conditions, at the change of the pressure of the

system.

Pressure

[bar]

Air flow rate

[l/h]

1

1200

2

1500

3

1700

4

1900

5

2000

6

2100

7

2200

 NOTE. The air discharge

capacities of the R99 valve

increase progressively at the

pressure increase by showing the

efficiency of the mechanism.

1

0

2

3

4

5

6

7

1000

1500

2000

2500

0

500

Pressure [bar]

R99 and R99I automatic air vent valves can discharge the

air that formed into the hydraulic circuits of the heating/

cooling or domestic water systems.

This avoids the onset of negative phenomenon, that could

compromise the lifetime and the efficiency of the thermal

system.

The automatic air vent valves perform during the normal

operation of the system, where the air discharge shall

happen intermittently and not continuously, with modest air

amounts to be discharged.

R99

R99I

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