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Pressure Balanced Tee Expansion Joint Designed for a Boiler Feed Pump Turbine Exhaust

January 20, 2013

Pressure Balanced Tee Expansion Joint Designed for a Boiler Feed Pump Turbine Exhaust

Type:  Single Expansion Joint
Size:  96″ Dia. x 288″ OAL
Material:  carbon steel with 304 stainless steel
Design:  2″ axial movement at 315°F and 15 psig
Testing:  100% Pneumatic-tested

This pressure balanced tee expansion joint was custom designed for a boiler feed pump turbine exhaust in a power plant. It is 96″ Dia. x 288″ OAL and fabricated from carbon steel with 304 stainless steel bellows, turning vanes and liners. It is designed for 2″ axial movement at 315°F and 15 psig. The expansion joint was dye penetrant examined, and a chemical cleaning of the interior surfaces was performed to remove any oil and grease. U.S. Bellows also performed a pneumatic test at 23 psig.

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