SailNet Community - View Single Post - Bilge pump non return valve.
View Single Post
Old 11-13-2012
Maine Sail's Avatar
Maine Sail Maine Sail is offline
Senior Member
Join Date: Jan 2003
Location: Maine Coast
Posts: 5,777
Thanks: 17
Thanked 200 Times in 150 Posts
Rep Power: 16
Maine Sail is just really nice Maine Sail is just really nice Maine Sail is just really nice Maine Sail is just really nice
Re: Bilge pump non return valve.

Originally Posted by tdw View Post
Just to clarify ... we only talking electric pumps here ?

Our manual emergency pump (Henderson type) has been unused for many years and I suspect that its rubber flappy thing has perished. Yes there is a seacock on the through hull.

I'm about ready to rebuild the thing but what of adding a check valve into the line as back up ? Is this OK ? Is this stupid ? Is this simply not necessary ?

Those Henderson pumps can suck Bigfoots turds through a straw. No issues with a check valve on those but do use an intake screen on the pick up..

Again the real concern is with a "Rule" type centrifugal pump and the use of a check valve. These pumps have very little ability to deal with restricted or increased head pressure before they just sit there and make tiny bubbles and kill your bank..
-Maine Sail / CS-36T

To view links or images in signatures your post count must be 10 or greater. You currently have 0 posts.

© Images In Posts Property of Compass Marine Inc.

Reply With Quote Share with Facebook