Simon air management systems

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Simon Static Vent-A-Matic

product code:VAM S

Static Vent-A-Matic


Simon Vent-A-Matic static ventilators are availble in various models and sizes.

All models (except PB) come equipped with an integral stormaguard as standard, to help reduce draughts.

The DGS/JG and DGS/PB are fitted in double glazed units.

The Simon Vent-A-Matic can be purchased directly from R.W.Simon Limited OR directly from our numerous on-line retailers.

Bohle UK -

Windowware -

Amazon -


Designed for use where continous valtilation in mandatory.

Marked with free air space (Equivilant free Area fig.) to conform with gas board recommendations.

Tested in accordance with BS 5440-2:2000 (Gas Ventilation)

Design Criteria:

The models JG, PBS and PB suitable for single glazed units up to 6mm thick.

The models DGS/JG and DGS/PBS suitable for double glazed units, up to 32mm thick


ModelHole SizeEA @ 1Pa

EA = Equivilant Free Area



All the Vent-A-Matic models are injection moulded and made from UV stabilised translucent polystyrene to avoid discolouration.

  • Assembled in Simons own cleanroom environment.
  • Ultrasonically welded .

Simon Vent-A-Matic glass mounted static ventilators are produced under ISO 9001:2000 Quality Systems.

BVQI certificate no. 22389

Assembly & Maintenance:

All the models are designed for simple two part fitting into the glass aperture

For additional security and weather tightness, a little silicone glazing sealant can be applied to the external retaining ring. In the case of the double glazed unit DGS/JG and DGS/PBS if it is a replacement unit this can be easily carried out by the occupier.

If a new hermetically sealed unit is required, then the DGS/JG or the DGS/PBS must be fitted by the double glazing manufacturer and requested prior to the making of the sealed unit.

The ventilators can be cleaned with normal window cleaning materials.

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