Vanessa by pentair was the first company in the world to introduce a Triple Offset Valve ( TOV) with true zero leakage* performance creating a new industry category using a technology not previously available with other standard quarter turn valves. Our triple offset design completely eliminates any rubbing action of the sealing elements during the 90 degrees of rotation, positioning Vanessa as the ultimate process valve. Based on these new and revolutionary concepts, we have achieved worldwide success across the Oil & Gas, Process and Power industries. If you ask one of our customers the reasons why they choose us, you are likely to hear a recurring word: " reliability" . Our engineering expertise, state-of-the-art technology and manufacturing capabilities ensure we continue to provide the most reliable triple offset valves across a wide range of applications for our customers worldwide
