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The DEFRO distributor is used to evenly divide the water flow in the central heating system. between two or three pump groups. Quick and easy connection of pump groups to the distributor set facilitates the installation of the boiler room installation and allows you to eliminate unnecessary substitutes. DEFRO’s offer includes manifolds supporting 2 or 3 sections of the heating circuit.

 

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Ekologiczne urządzenia grzewcze Manifold for pump groups – DR 4S DN25

Distributor coupling for pump groups – DSR 2S DN25

Index: DSR 2S DN25
Nominal diameter: DN 25
Maximum working pressure: 10 bar
Maximum operating temperature: 110°C
Connections: Installation side - GW 1½" (flat seal) boiler side - GZ 1½"
Materials: steel, S235, EPP, brass
Natural fluid circulation: EPDM
Connection spacing on the installation side: 130 mm
Flow: 3,44 m³/h
Maximum heating power/flow: 80 kW (ΔT=20K)
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Distributor coupling for pump groups – DSR 3S DN25

Index: DSR 3S DN25
Nominal diameter: DN 25
Maximum working pressure: 10 bar
Maximum operating temperature: 110°C
Connections: Installation side - GW 1½" (flat seal) boiler side - GZ 1½"
Materials: steel, S235, EPP, brass
Natural fluid circulation: EPDM
Connection spacing on the installation side: 130 mm
Flow: 3,44 m³/h
Maximum heating power/flow: 80 kW (ΔT=20K)
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Distributor coupling for pump groups – DSR 4S DN25

Index: DSR 4S DN25
Nominal diameter: DN 25
Maximum working pressure: 10 bar
Maximum operating temperature: 110°C
Connections: Installation side - GW 1½" (flat seal) boiler side - GZ 1½"
Materials: steel, S235, EPP, brass
Natural fluid circulation: EPDM
Connection spacing on the installation side: 130 mm
Flow: 3,44 m³/h
Maximum heating power/flow: 80 kW (ΔT=20K)
Read more

Manifold for pump groups – DR 2S DN25

Index: DR 2S DN25
Nominal diameter: DN 25
Maximum working pressure: 10 bar
Maximum operating temperature: 110°C
Connections: Installation side - GW 1½” (flat seal) boiler side - GZ 1½”
Materials: steel, S235, EPP, brass
Natural fluid circulation: EPDM
Connection spacing on the installation side: 130 mm
Flow: 3,44 m³/h
Maximum heating power/flow: 80 kW (ΔT=20K)
Read more

Manifold for pump groups – DR 3S DN25

Index: DR 3S DN25
Nominal diameter: DN 25
Maximum working pressure: 10 bar
Maximum operating temperature: 110°C
Connections: Installation side - GW 1½" (flat seal) boiler side - GZ 1½"
Materials: steel, S235, EPP, brass
Natural fluid circulation: EPDM
Connection spacing on the installation side: 130 mm
Flow: 3,44 m³/h
Maximum heating power/flow: 80 kW (ΔT=20K)
Read more

Manifold for pump groups – DR 4S DN25

Index: DR 4S DN25
Nominal diameter: DN 25
Maximum working pressure: 10 bar
Maximum operating temperature: 110°C
Connections: Installation side - GW 1½" (flat seal) boiler side - GZ 1½"
Materials: steel, S235, EPP, brass
Natural fluid circulation: EPDM
Connection spacing on the installation side: 130 mm
Flow: 3,44 m³/h
Maximum heating power/flow: 80 kW (ΔT=20K)
Read more
The distributor connections have threaded connections, prepared for quick connection of the distributor to the boiler circuit and pump group. The offer of distributors is divided into models, in which we distinguish a typical DR distributor and DSR distributors with a built-in hydraulic clutch used to balance the free flow and pressure of the liquid. The whole thing is encased in EPP insulating foam to prevent the liquid from cooling down, and the included wall brackets make installation easier. In addition, the manifolds have connectors for mounting a drain valve or an immersion sleeve to the temperature sensor. The guarantee of quality is the fact that all manifolds are subjected to factory leakage tests.
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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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