A SPECIAL PURPOSE HOLDING FIXTURE FOR PRECISE CONTROL OF RADIAL AND ANGULAR LOCATION DURING WELDING OF KICKER STAGE NOZZLES ON THE DISCHARGE COVER OF BOILER FEED PUMP

摘要

1. A holding fixture (1.0) for precise radial and angular location of kicker stage nozzles comprising a circular steel plate (1.1) a plurality of weld neck flanges (1.2) carefully located and fixed on the circular plate (1.1), neck flanges being supported by tubes (1.3) which are welded to the back of the neck flanges and also to the circular plate (1.1), the circular plate being provided with a hollow pipe (1.4) located coaxially and welded to the circular plate (1.1), characterized in that a plurality of kicker stage nozzles (2.1), when placed between the neck flanges (1.2) and the discharge cover (2.0) and aligned with the flanges are automatically positioned in their exact locations for welding to the discharge cover. IN-KOL-2008-00377A