WOW! You guys in the States are lucky if you are allowed to replace engine room
hoses with PVC etc. In Europe, the hose has to be fireproof (non melting) in
case of an engine room fire. This prevents water coming through the (melted)
raw water hose and sinking the boat.
I guess your insurance specs are different.
Peter
Date: Wed, 14 Nov 2007 13:43:27 -0600From: [EMAIL PROTECTED]: [EMAIL
PROTECTED]: Re: [Liveaboard] Raw Water Intake Hose
I’m replacing hose that has a black rubber inner wall and a red neoprene outer
wall, no reinforcing. The raw water pump is below the waterline about 1 foot,
so I don’t imagine suction, per se will act on the hose. If the filter or
seacock gets clogged, I wont get any water to the engine even if the hose
doesn’t collapse.
How hot do engines typically get? I could do a test to see how soft the PVC
hose gets at that temperature. I would assume they stay below 212 degrees… is
this correct?
From: [EMAIL PROTECTED] [mailto:[EMAIL PROTECTED] On Behalf Of Charles and Pat
CulottaSent: Wednesday, November 14, 2007 12:59 PMTo: [EMAIL PROTECTED]:
[Liveaboard] Raw Water Intake Hose
What type of hose do people recommend for engine raw water intake? I am
looking at two choices: one is a plastic helix reinforced PVC hose with a
smooth interior and exterior, similar to sanitation hose except it is clear
with a black helix, not white.
The second option is either wire reinforced or non reinforced double wall
trident hose which is essentially the same as exhaust hose.
The pro for the first one is that it is more resistant to oils than the rubber,
but the rubber is more resistant to heat.
M,
I have always used the wire reinforced type and have only seen that type used.
If your eng gets hot enough to harm the hose you have a lot bigger problem than
the type hose.
Remember that this is the SUCTION side of the pump and this requires a very
strong hose.
CCC
CHARLES C., JR. & PAT CULOTTASUPPORT OUR TROOPSM/V CCRIDERPATTERSON,
LA.http://geocities.com/charlesculotta
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