1/2" or 3/4" ball drips for installation with siamese or wall hydrant to automatically drain line between check valve and outside wall. Installed in the horizontal postion only. Draining pressure starts from 2 m WG (2.89 PSI)
Constructed of forged brass with stainless steel ball bearing. NPT male threads on each side.
Rated pressure: 300 PSI (20.6 bar)
Note: Ball drips of this type are not subject to any specific approval or listings.