[PSUBS-MAILIST] G.L. summary Pressure Hull

If you have an over-pressure valve handle obstructing the 
movement of the hatch latch handle, it would need to be
spring loaded or you would create the problem of the possibility
of diving with the valve open later on.


Yes, and if you dive with a open valve you get wet
learn to close it and learn to read you "pre-dive" checklist. 

:-O   

SL not required an blocking mechanism on the hatch - just an 
simple spring loaded automatic overpressure valve. 
Because of the automatic there is no need to block the hatch. 
The air sound of the working valve is a clear signal not to open the hatch.
The function of the valve should be anyway mention in the written manual. 

very best regards

Carsten
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