What Is The ECS WPNI Process? Simply stated, the ECS WPNI process (wet pipe nitrogen inerting) is a process that displaces oxygen, which causes corrosion, with nitrogen gas inside wet pipe fire sprinkler systems. Any trapped gas remaining in the ...
All Nitrogen Is Not Created Equal When it comes to oxygen corrosion Simply supplying a dry pipe fire sprinkler system with nitrogen gas will not control oxygen corrosion. A vent is required to remove oxygen so that the sprinkler system can be ...