Revision history of "Removal Of Keyways Or Pins In Most Butterfly Valves"

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  • curprev 17:44, 25 June 2022PattyHeath215 talk contribs 1,825 bytes +1,825 Created page with "<br>Self-Centering Disc As a result of progressive design of our sq. drive, the disc is self-centering inside the seat. This eliminates the need for a shaft enlargement hole a..."