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Gravity valvesA gravity damper depends o..
Rectangular non-return dampersA rectangu..
Round valvesFor round non-return dampers..

Non-return dampers

Choose a non-return damper by airflow direction and network conditions.

The device limits the reverse flow within its conditions of service. Its position and the available pressure influence the movement of leaves or slats.

Ask DOMIS about Non-return dampers

Brand: Vents Availability: In stock
Vents KG 800x500 gravity ventilation valve is used in supply or exhaust ventilation systems to shut off the ventilation duct when the equipment is not..
from
75.29 €
Ex Tax:62.22 €
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Brand: Vents Availability: In stock
Vents KG 900x500 gravity ventilation valve is used in supply or exhaust ventilation systems to shut off the ventilation duct when the equipment is not..
from
170.99 €
Ex Tax:141.31 €
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Brand: Vents Availability: In stock
Check valve for fan Vents KOM 125 type 'butterfly' made of galvanized steel, valve blades made of aluminum. The valve has two spring-loaded ..
from
9.74 €
Ex Tax:8.05 €
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Brand: Vents Availability: In stock
Check valve for ventilation Vents KOM 315 type 'butterfly' made of galvanized steel, valve blades made of aluminum. The valve has two spring..
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19.40 €
Ex Tax:16.03 €
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Brand: Vents Availability: In stock
Vents KOM1 100 gravity-type ventilation check valve is designed to shut off a round channel in supply or exhaust ventilation systems when the equipmen..
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42.77 €
Ex Tax:35.35 €
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Brand: Vents Availability: In stock
Vents KOM1 600x300 ventilation check valve is used to close a duct with a cross-section of 600x300 mmin a duct ventilation system when the fan is not ..
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83.17 €
Ex Tax:68.74 €
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Showing 25 to 30 of 30 (3 Pages)

What to check to choose

  • Authorized guidance
  • Opening pressure
  • Useful step section

How to prepare the consultation

  1. Identify the equipment, connection or installation point where it will be used.
  2. Contrast measurements, working conditions and reference with system documentation.
  3. Check accessories, assembly and maintenance before confirming the selection.

Frequently asked questions

Does an anti-return valve remove any air passage?

No. Sealing and opening pressure depend on the reference and should be consulted in its documentation.

What information does the consultation of this category make?

Provide the following information: Authorized guidance; Opening pressure; Useful step section. Add the product reference and photographs of the site or existing component, where applicable.

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