How To” Guide for Norris Series 2and Series 2Butterfly Valves. Exclusive, angle-disc butterfly valves provide bi-directional, positive shutoff to ANSI 1standards (2psig).
Uses a rigid-drive, precision disc-to-shaft . Unique, angle-disc butterfly valves available in both resilient-seated (Series R200) and metal-lined (Series M200) designs. Install and Service Norris Butterfly Valves.
Norris Series 2butterfly valves provide bi-directional, positive shutoff to 2psig working pressure. They are available in both resilient-seated (Series R200) . NORRIS R series M series premium performance butterly valves with seprate O-ring seals for the shafts, flanges and differential seals. Full Brochure Full Brochure Norriseal Controls PDF 1. This video highlights the installation of the Norriseal Series 2and 2butterfly valve.