Series 890-893 Butterfly Valves
Sizes 2" - 12"
The superior butterfly valve with the most corrosion resistant standard disc
and stem for the chemical and food processing industry.
- Stem is standard 255, a duplex stainless which is more
corrosion resistant and almost twice as strong as standard 316 stainless
steel, eliminating shaft twisting and water hammer damage
- Top plate is machined to standardized drilling pattern
allowing manual handle kits, and actuation, interchangeability also available
in ISO patterns
- Stem brushing composed of full strength, corrosion resistant
ertalyte - absorbs operator side thrust
- A third stem seal ensures absolute seal externally or
internally for vacuum or pressure service
- Two patented O-seals give a sure secondary seal as the
O-seal becomes part of the body and encircles the stem before entering
the seat and disc area
- Seats feature EPDM, Viton® and Sure Seal's special
abrasion resistant formulated blend of FDA approved Nitrile and 12 other
standard compounds
- Hub and seat seals prevent product from attacking stem
or body
- Lug-style body has drilled and tapped lugs which meet
ANSI 125 and 150 flange standards
- Flange seal provides an absolute seal to all flanges
within specifications
