The HVAC duct is used to exhaust air from SURGICAL system operating theatres. It is connected to two HVAC grilles with a filter made of fine expanded metal to capture pulp.
The HVAC duct is designed for airflows of 1000-1200 m3/h. Typically, four ducts are installed in one operating theatre (depending on the total volume of exhausted air).
The duct is a single piece and it is made of galvanized steel sheet, thickness 0.8 mm. The depth of the duct is 80 mm, so it can be easily installed in the SURGICAL system. The duct is 800 mm wide.
The HVAC grilles are located on the axis of the duct. The bottom edge of the lower grille is located 150 mm from the clean floor. The top edge of the upper grille is located 100 mm below the suspended ceiling.
The HVAC duct is connected to the exhaust pipeline with HVAC flange L20, to which an HVAC adapter with side exhaust - round neck Ø 315 mm may be connected.

Upper grille dimensions |
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Without upper HVAC grille |
Preparation for upper HVAC grille 400×500 |
Preparation for upper HVAC grille 400×600 |
Preparation for upper HVAC grille 400×650 |
Preparation for upper HVAC grille 400×750 |
Preparation for upper HVAC grille 500×500 |
Preparation for upper HVAC grille 500×650 |
Preparation for upper HVAC grille 600×400 |
Preparation for upper HVAC grille 600×650 |
Preparation for upper HVAC grille 650×400 |
Preparation for upper HVAC grille 650×500 |
Preparation for upper HVAC grille 650×600 |
Preparation for upper HVAC grille 600×650 |
Atypical design A×B |
Lower grille dimensions |
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Without lower HVAC grille |
Preparation for lower HVAC grille 400×600 |
Preparation for lower HVAC grille 400×650 |
Preparation for lower HVAC grille 400×750 |
Preparation for lower HVAC grille 500×500 |
Preparation for lower HVAC grille 500×650 |
Preparation for lower HVAC grille 600×400 |
Preparation for lower HVAC grille 600×650 |
Preparation for lower HVAC grille 650×400 |
Preparation for lower HVAC grille 650×500 |
Preparation for lower HVAC grille 650×600 |
Preparation for lower HVAC grille 650×650 |
Preparation for lower HVAC grille 400×500 |
Atypical design A×B |