Does anyone know what type of flange this is or what type of gasket you would use? It looks similar to a duran flange but flat on the sides.
It does have an o ring groove which leads to me believe it is intended to have a clamp and a cap on it.
I would like to be able to have a cap on it as our current setup is annoying to say the least. (were currently using a large rubber plug with metal flange rings that sandwich the rubber stopper on.)
Pictures are worth a thousand words… so here’s a few.