45° De Marinis DESIGN SDC4 elbow for wood-burning stoves

The De Marinis DESIGN SDC4 45° elbow is a component of the DESIGN flue system designed to create a 45-degree change of direction in the flue connection of wood-burning stoves, fireplaces and biomass appliances.

It is manufactured from 2 mm carbon steel with a matt black high-temperature finish. Its robust construction and clean appearance make the DESIGN range particularly suitable for visible indoor installations.

The SDC4 elbow can be used to change direction or create an offset in the connecting flue, adapting the flue route to the position of the appliance and chimney inlet.

It is available in nominal diameters Ø 120, 130, 140, 150, 160, 180 and 200 mm.

Main features

• Manufacturer: De Marinis
• Range: DESIGN
• Product family code: SDC4
• Product type: fixed 45° elbow
• Angle: 45°
• Function: change of direction or offset in the flue connection
• Material: carbon steel
• Steel thickness: 2 mm
• Finish: matt black
• Application: wood-burning stoves, fireplaces and biomass appliances
• Available diameters: Ø 120, 130, 140, 150, 160, 180 and 200 mm
• Temperature class: T600
• Marking: CE
• Reference standard: EN 1856-2:2009

What the DESIGN SDC4 elbow is used for

The SDC4 elbow is used where a 45-degree change of direction is required in the connecting flue.

It can be used individually or together with other components to create an offset and connect points that are not perfectly aligned.

Compared with a 90° elbow, a 45° change of direction can provide a more gradual flue route where permitted by the installation layout.

Before purchasing, select the correct diameter and check that it matches the appliance flue outlet and the other DESIGN components used in the installation.

45° elbow and flue configuration

Every change of direction affects the route of combustion products and must be considered when designing the connecting flue.

The number of elbows, their angle, pipe lengths and overall route must be assessed according to the appliance characteristics and available chimney draught.

Important: the connecting flue configuration must comply with the appliance manufacturer's instructions and applicable technical regulations. Unnecessary changes of direction should be avoided.

Technical data and classification

The SDC4 belongs to the De Marinis DESIGN system manufactured in accordance with EN 1856-2:2009 for flue connections used with biomass appliances.

• Temperature class: T600
• Pressure class: N1
• Condensate resistance: D
• Corrosion resistance class: VM
• Material: 2 mm carbon steel

De Marinis dimensions and product codes

The table below lists the available SDC4 45° elbow variants. All dimensions are expressed in millimetres.

Øn indicates the nominal diameter, while A, B, C, D and I correspond to the dimensions shown in the technical drawing included on the product page.

Technical note: dimensions A, B, C and D vary according to the nominal diameter, while insertion dimension I is 50 mm for all SDC4 variants. Always refer to the technical drawing included on the product page to check the actual overall dimensions.

How to read the technical drawing

• Øn: nominal elbow diameter
• A: dimension varying according to nominal diameter
• B: overall dimension shown in the technical drawing
• C: overall geometric dimension of the elbow
• D: dimensional value shown in the drawing
• I: insertion dimension, 50 mm

Comparing the technical drawing, dimensional table and selected diameter helps verify the installation space required and identify the exact De Marinis product code.

DESIGN system compatibility

For correct dimensional continuity and system configuration, the use of De Marinis components from the same range and with the same nominal diameter is recommended.

Before combining components from different systems or manufacturers, their dimensional, technical and regulatory compatibility must be checked.

Installation

Diameter, elbow position, number of changes of direction, total connecting flue length, draught and safety clearances must be assessed according to the appliance and flue system.

The DESIGN system is intended for indoor installation. Installation must be carried out by qualified personnel in accordance with the appliance manufacturer's instructions and applicable technical requirements.