Transformer Oil Pumps & Valves
Centrifugal and Axial Flow Impeller Transformer Oil Pumps
Wabtec manufactures hundreds of pump configurations used with our broad range of transformer oil coolers. They are available in both centrifugal and axial flow impeller styles and are designed to perform in extreme temperatures, with long life and low maintenance.
We also offer as an option, our TecSonics™ bearing wear monitoring system. It is an advanced predictive maintenance tool designed to monitor the integrity of the transformer oil pump bearings.
Cardinal Centrifugal & Axial Flow Pumps
Cardinal Valves
Features and Options:
Heavy-duty class 30 cast iron construction for long life
Impellers designed to permit thermo-siphon for natural convection flow
Large thrust face sleeve bearings for long life and minimum wear
Pump and motor unit pressure-tested to ensure integrity
Pump continuous duty operation temperatures ranging from –40ºC (–40ºF) to 100ºC (212ºF)
Motors available in 50 & 60 Hz frequencies
Motor windings electrically tested to ensure electrical integrity
Special coatings applied to protect against rust outside
Internal surfaces of the casing can be coated to protect against rust at the customer’s request
Special motor insulation for transformer cooling liquids other than transformer oil
Shaft rotation sight plugs to facilitate checking shaft rotation
Performance run-in testing and certified test curves are available
Large thrust face bearing
Features and Options:
Cardinal valves are robust in design so that over tightening or minor abuse encountered in handling, or during factory/field installation will not result in malfunctioning of the valve
All parts are made from non-corrosive or suitably protected material to withstand outdoor exposure on external surfaces and hot transformer oil on internal surfaces
Fasteners are designed to prevent loosening under normal operating conditions
In the open position, the valve flapper will not vibrate or flutter when valve is installed close to the suction side of the pump, flapper acts as a fluid straightener, thus enhancing the pump's performance
Valve design temperatures are –40°C (–40°F) to 100°C (212°F)
Operating handle displays the valve's open and shut position and is designed so it can be manually locked in either position
Valves are individually coated with oil and sealed to protect from contaminants
Ryan Equipment Sales Co.
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