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Archive for the ‘Penlon bellows unit’ Category

PENLON BELLOWS UNIT.
This is similar to the OXFORD BELLOWS UNIT but is rather simpler.
This has a single flap and was designed specifically for use with a non-rebreathing valve.
It must NEVER be used with a simple spring-loaded expiratory valve.
The maintenance on these will be much the same as for the Oxford Bellows.
The commonest site for leaks is at the base of the concertina bellows, where it is connected to the valve unit with a nut and washer.
Both bellows are capable of delivering a volume of about 1300 ml, a 10 cm stroke will deliver about 800 ml.

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