| POLYPROPYLENE AIR VALVES |
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POLYPROPYLENE AIR VALVES (PAV) are suitable for
regulating airflow in low volume systems. They can also be used for exhaust and natural
ventilation in ceilings and walls. PAV's are ideal where metal fittings are more likely to
deteriorate, typically kitchens, bathrooms, toilets and hospitals. Adjustment of the
airflow is achieved by rotating the inner cone to the desired setting and is secured by
means of a lock nut. Valves are available in 4 sizes to cover duct diameters of 100, 125, 150 and 200mm. The unit is simply assembled and easy to maintain. One unique feature is the extra long sleeve/adapter which can be fixed to, and trough a false ceiling or wall. Once in position the sleeve/adapter will allow the valve to be push fitted into the opening face and for either flexible or rigid circular ducting to be attached to the opposite end. A retaining ring is supplied for where screw fixing is not suitable. PAV valves are manufactured from smooth white polypropylene complete with a brass spindle and locking nuts. |
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