Products | Grada International

Linear Slot Diffuser LSD-1200

Single-slot linear diffuser, 1200 mm length. Extruded aluminium with adjustable blade. For perimeter heating/cooling or ceiling supply. Connects to plenum box or directly to circular duct.

112.00 €

Circular Ceiling Diffuser CD-250

Round ceiling diffuser with adjustable multi-cone pattern. 250 mm spigot diameter. Adjustable airflow pattern from horizontal to vertical. Steel construction, RAL 9010 standard. Suitable for offices and retail spaces.

42.00 €

Circular Ceiling Diffuser CD-315

Round ceiling diffuser with multi-cone pattern, 315 mm spigot. High induction ratio for rapid room air mixing. Paintable steel, all RAL colours available. Airflow range 80–400 m³/h. Ideal for open-plan offices.

58.00 €

Circular Air Duct 150 mm

Spiral seam circular duct, 150 mm diameter. Galvanised steel, 0.5 mm thickness. Supplied in 3 m lengths. Suitable for low and medium pressure HVAC systems.

12.80 €

Circular Air Duct 200 mm

Spiral seam circular duct, 200 mm diameter. Galvanised steel, 0.5 mm thickness. Supplied in 3 m lengths. Higher airflow capacity for main distribution runs.

18.40 €

Flexible Duct Connector 200 mm

Flexible duct connection sleeve for vibration isolation between AHU and rigid ductwork. 200 mm diameter, 250 mm length. Canvas fabric, galvanised steel collars.

14.50 €

Fire Damper FD-300 (EI90)

EN 1366-2 certified fire damper, EI90 rating. 300 mm round spigot. Thermal fusible link actuator standard; electric actuator available. CE marked. For duct penetrations through fire-rated walls and floors.

185.00 €

Transfer Grille TG-150

Door and wall transfer grille for room-to-room air balancing. 150 mm height, custom widths available. Fixed louvre blades for privacy. Powder-coated steel, RAL 9010.

24.00 €

Linear Slot Diffuser LSD-600

Single-slot linear diffuser, 600 mm length. Extruded aluminium profile with adjustable air deflector. Available in 1 to 4 slots. Custom lengths on request. RAL powder coat or anodised finish.

68.00 €

Rectangular Duct 300×200 mm

Rectangular duct section, 300×200 mm. Galvanised steel, lock-forming seam. Supplied in 1.25 m sections. Class C airtightness. For medium-pressure distribution.

28.00 €

Sound Attenuator SA-400

Circular duct silencer, 400 mm diameter, 1000 mm length. Mineral wool splitter infill, GRP perforated facing. Insertion loss: up to 18 dB(A) at 400 Hz. Suitable for AHU outlet attenuation.

245.00 €

Ventilation Grille VG-200

Single-deflection ventilation grille for supply and return air. 200×200 mm face size. Powder-coated steel, RAL 9010 white standard. Custom RAL colours available on request. Suitable for wall and ceiling mounting.

18.50 €

Ventilation Grille VG-400

Double-deflection ventilation grille for supply air. 400×400 mm face size with adjustable horizontal and vertical blades. Opposed-blade volume control damper available. Powder-coated steel.

32.00 €

Ventilation Grille VG-600

Large double-deflection grille for high-volume supply air applications. 600×600 mm face size. Extruded aluminium blades. Optional opposed-blade damper. All RAL colours available.

54.00 €

VAV Box VB-200

Variable air volume box with integrated flow measurement sensor. 200 mm spigot inlet. BACnet MS/TP and Modbus RTU on-board. Pressure-independent control, ±5% flow accuracy. 24 VAC actuator included. Compatible with all major BMS platforms.

385.00 €

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