7 . Hull openings, sea cocks
Openings under the waterline are possible weak points, to which we have therefore paid a lot
of attention.
The hull openings are made of a brass alloy and where necessary fitted with a fast shut-off
ball valve. This basic set-up is completed by a suitable hose connection on the hose side of
each valve. Each hose is secured by two clamps.
List of hull openings
1. 2” hull opening for log
2. 2” hull opening for echosounder
3. 1 ¼” hull opening with ball valve
Sink discharge
4. Valve for cold water intake to
Saildrive head
5. ¾” hull opening with ball valve
washbasin with exit for shower outlet
6. ¾" hull opening with ball valve
WC intake
7. 1¼” hull opening with ball valve
Holding tank or direct WC outlet
8. 1 ½ ” hull opening, cockpit
9. ¾" hull opening inflatable liferaft locker
10. 2” exhaust exit
11. 1 ¼” hull opening, electric bilge pump
outlet
12. 1 ¼” hull opening, mechanical bilge
pump outlet
Figure 26: Hull openings, 2 cabin
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