Holding Tank Diverter Valve: internals?

This will depend on how your system is set up.
Normally the diverter will allow pump overboard or pump to tank. The problem then is how your tank dump is connected. There may be another diverter which selects overboard or pump out.
 
nigelmercier said:
I'm trying to get my head around the internals of a Holding Tank Diverter Valve, I think made by Whale.
What does the valve internal look like?
Is there a position where the Sea outlet is partially connected to the Tank outlet?
Click to expand...

The Whale diverter valve should block off both outlets when the handle is in the central position.
 
AFAIK the internals are a cylinder, closed at one end, with a side port. Liquid enters at the open end, rotation allows the port to mate with one of the two ports in the body of the valve. I would have thought the flow would completely shut off with the lever in the central position.
 
nigelmercier said:
I'm trying to get my head around the internals of a Holding Tank Diverter Valve, I think made by Whale.
What does the valve internal look like?
Is there a position where the Sea outlet is partially connected to the Tank outlet?
Click to expand...

This item
dv5606_dv5630_diverter_valve.jpg


The internal a bit like a "proper" seacock. Hollow, open at the end and with a port that will connect to one or other of the side arms.

Shut when the handle is at right angle. Partly open to one or other branch if at 45°
 
I've got one sitting in my office (........ready to install later on). I can confirm that when at 90 degrees it is definitely closed to both side arms.
 
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