CPR Repairs Tainter Valve Guides

CUSTOMER: St. Lawrence Seaway Lock 1 at the Welland Canal

APPLICATION DATE: September 2001

PROBLEM: Taiter valve has worn over the past 40 years and is causing the Bernoulli effect
to wear the guides of the valve on the cement wall.

APPLICATION METHOD: Blast the area, hand apply and machine back to tolerances.

Wear Resistant Paste Grade Material was usd.



Picture of Tainter Valve in place prior to removal. The Tainter valve is a huge valve that controls the water flow to raise and lower ships in the locks.

Clearances on the rails, which are basically railway tracks in the walls, are checked.

Picture of the area to be repaired. Finished pictures not taken.