Valves - Defro Czyste ciepło

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The Defro installation fittings offer includes a number of valves that are widely used for boiler operation and fluid control of the central heating installation.

The proposed range of Defro valves is:

3- and 4-way mixing valves, used to regulate the temperature by mixing water supplying the central heating installation. with return water. The valve operates by maintaining the desired, higher temperatures to protect the boiler against early corrosion.
ZRS 234 three-way zone valve, used to supply the installation with hot tap water, applicable in the pellet heater: HYDROPELL,
DBV 2 cooling valve used to discharge excess thermal power, protecting the boiler against uncontrolled overheating. It is dedicated to boilers installed in a closed central heating system.
The Defro 11-200 (3-way) thermostatic valve, thanks to its design and control features, ensures optimal control of the water stream from the boiler circuit and the central heating system circuit. Perfect as a solution compatible with an accumulation tank. It guarantees quick achievement of the boiler’s operating temperature when firing up.

Kalkulator doboru kotła

3-way valve DN 32

Connections: Rp 1 ¼”

Kvs value: 16 m³/ h

Maximum temperature: 110°C

PN: 10

3-way valve DN 32

Connections: Rp 1’’

Kvs value: 10 m³ / h

Maximum temperature: 110°C

PN: 10

4-way valve DN 25

Connections: Rp 1’’

Kvs value: 10 m³ / h

Maximum temperature: 110°C

PN: 10

4-way valve DN 32

Connections: Rp 1 ¼”

Kvs value: 16 m³/ h

Maximum temperature: 110°C

PN: 10

Anti-freeze valve 108

Diameter: DN 25

Material: Brass

Maximum working pressure: 10 bar

Operating temperature range: 0÷65 °C

Ambient temperature range: -30–60 °

Opening temperature: 3 ˚C

Closing temperature: 4 ˚C

Accuracy: ±1 °C

DBV 2 cooling valve

Type: DBV valve 2

Maximum pressure (boiler): 4 bar

Maximum pressure (water): 6 bar

KVS at temp. 110°C - opening of two sections: 2,0 m³/ h

KVS at temp. 110°C - opening of one element: 1,3 m³/ h

Maximum temperature: 110°C

Opening temperature: 97°C

Defro 11-200 thermostatic valve

Connections: R32 / 1 ¼” GZ

Kvs value: 12

Pressure class: PN 6

Minimum temperature: + 5 ˚C

Maximum temperature: + 100 ˚C

Opening temperature: 53 ˚C

Optional equipment - for an additional fee: EPP insulation

Where to buy Defro devices Show distributor map!

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If you want to install a new heat source, it is worth paying attention to DEFRO devices, a Polish manufacturer with many years of experience in the heating industry. Our specialists will help you choose the right boiler and its power, and distributors and installers will take care of the assembly and commissioning, and all you need to do is enjoy the warmth and comfort. The distribution network of our products is divided into regions for which managers and salespeople are responsible.

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