VALTERRA WASTE GATE MOUNTING POSITON

One thought is that it would be more difficult to hand operate them in the down position than to the side.

I think you will find the instructions say to mount facing up or sideways
Down may allow for liquid to creep into the pull shaft area , dry up and bind the shaft
Also easier for the cable to operate pulling and passing side ways, that with a 'U' bend in it

Never seen them mounted down but seems dangerous. If you have to mount them that way, perhaps you can secure them with something.

Don't know what your ground clearance might be, but a handle pointing down could manage to snag something. Might bend or brake something and/or might be creating "a new dump station".

UPDATE: The valves will be adequately secured and have enough ground clearance. There should be no problem with valve stability. Just more convenient to mount with handle in down position. I can see a problem with seepage in to handle. Can't find any installation instructions from companies like Valterra.

wtravlr1 wrote:
UPDATE: The valves will be adequately secured and have enough ground clearance. There should be no problem with valve stability. Just more convenient to mount with handle in down position. I can see a problem with seepage in to handle. Can't find any installation instructions from companies like Valterra.

Something to think about while you are securing everything - do you have a long handled "anything" in your rig (a broom maybe?) where you could fashion a large fork onto one end? Could you stick that fork over a properly placed gate handle and open it? Is there a way to use that handle to also close the valve? Would you need to fashion a couple of fulcrum points to do this? Just saying. Hope that helps.

I don't think it will seep out the handle. If that were a problem it would leak no matter the postion.

MrWizard told you right, do not mount with the handle lower than 90 degrees, and it is best to mount it as near vertical as practical. The "stuff" will not weep or creep into the area where the blade is when open, it will FLOOD in. That area has a gap and there is absolutely no seal or anything to protect that area.

Our old Class C had the dump valves mounted at a 135° downward angle and we never had a leakage problem with them.

Maybe I need to clarify, I was not speaking about leakage but rather the potential issues with "stuff" getting in an area where it can cause difficulty with valve movement. Read the instructions if you need to verify this.