Plywood tank bulkhead with out using a bulkhead?

[Wheat]

The only thing with gate valves is that they are known to weep with age.

I use these Spears gate valves. I haven't had this problem, yet anyway. Are these the ones you're talking about? or the Home Depot kind?

http://www.indelco.com/pc-13242-1665-s200.aspx