The unit features an alloy C-276 bellows, 316-stainless-steel components, and flexible, graphite foil secondary seals. The seal uses durable metals to withstand corrosion and harsh chemical conditions. Operating limits include pressures between 0 and 200 psig (0 to 13.8 bar), temperatures between 40 and 400°F, and speeds up to 3,000 fpm. The seal comes in eight standard sizes from 1.125 to 2.625 in. and six standard sizes from 33 to 65 mm.

Flowserve Corp., 5215 N. O'Connor Blvd., Suite 2300, Irving, TX 75039, (972) 443-6500,