Polished stainless steel assembly with passive compression and proven sealing technology.
The MSIV Plug is an aluminum plug designed to fit past the main steam isolation valve seats and seal on the ID of the valve body or pipe.
Designed for easy and efficient installation our MSL Plugs cut Critical Path time significantly and reduce dose.
Preferred supplies two versions of Riser Plug both composed of an anodized aluminum and stainless steel body with thick self-compensating EPDM seal(s).
Electropolished stainless steel weldment with Anodized Aluminum body specially designed to seal the Jet Pump mixer nozzle.
The Preferred Recirculation Suction Nozzle Plug (N1) is a specialized plug specifically designed to match the ID of the reactor vessel.
Machined aluminum plugs designed to isolate the Elongation Rods and RPV stud cores.
The Preferred Engineering Spent Fuel Pool Suction Strainer Cover is a stainless steel weldment designed to provide a positive means of isolating the spent fuel pool piping system.
Designed with the PE signature fast action cam toggles, the aluminum design offers stations an upgrade from OEM hatch covers.
The Preferred Engineering Covers are constructed from polished stainless steel for easy decontamination, and offers a unique design which includes our Quick-Lock© Toggle Bolt System.
Preferred Engineering has a long history of designing and manufacturing custom seals for generating stations. We focus on cost effective, easily installed seals with a long operational life.
The Gate Valve Plug is a stainless steel assembly with a simple effective design that makes it a perfect utility for sealing pipes and valves when maintenance is needed.
The Preferred Engineering Pipe Plug is an aluminum and Stainless Steel assembly that uses Buna-N elastomer seals.
The RPV Drain Plug permits the performance of downstream piping and valve maintenance without the need to drain the vessel or the use of freeze seals.
The Preferred Engineering Reactor Water Storage Tank Plug (RWST) has two basic designs, the Manually Actuated Plug, and the Passive Spring Actuated Plug.
The Stud Hole Plugs are machined from UHWM plastic and are designed to ‘rest’ on the top thread and seal on counter bore walls.
The specialized Valve Housekeeping Plug was developed by Preferred Engineering to prevent water from interfering with welding operations.
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