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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



Technical data

Performance

• Fluids: water and glycol-based solutions (max. 30 %)

• Temperature range: 5÷95 °C

• Max. working pressure:

16 bar with worksite protection cover

10 bar in combination with thermostatic heads

• Max. differential pressure with thermostatic heads:

1,5 bar (150 kPa)



WARNINGS.

• DB valves are suitable for closed-loop systems for use with non-aggressive fluids (water, glycol-based water complying with VDI 2035/ONORM 5195).

• Mineral oils or mineral oil-based lubricants contained in the heat transfer fluid may cause swelling and damaging of the EPDM gaskets.

• When using ethylene glycol-based anti-freeze and anti-rust products not containing nitrites, refer to the manufacturer’s instructions, especially those concerning

concentrations and specific additives.

• In case of muddy water or water containing impurities, we recommend carrying out a chemical flushing before installing the valves with thermostatic option.

Materials

• Body and main parts:

chrome-plated brass UNI EN 12165 CW617N

• Seals: EPDM

• Worksite protection cover: PP-H

• Internal bonnet:

- monoblock stem: stainless steel

- bonnet body: brass UNI EN 12164 CW617N

- sleeve: plastic

- membrane: EPDM

- O-Ring: EPDM

Adjustment accuracy

∆p max

∆p min

-40

0

40