222 Series
Keystone “Lug” Style Butterfly Valves offer the same great features and construction as the Series 221 Wafer Style above, except “Lug” Style bodies are drilled and tapped. Allows for isolation and removal of downstream piping at full rated pressure (up to 250 PSI). EPDM seats. 316SS Disc, 416SS stem are standard. (Buna also available with 304 SS discs). Locking Handles. Note: These valves have a molded-in resilient non-replaceable seats; suitable for full vacuum applications. (For Buna seals; add “B” suffix).
Stem: 416 Stainless Steel
Disc: 316 Stainless Steel
Body: Cast Iron
Seat: EPDM
W.P. Rating: 250 PSI
The EPDM seats used in these valves are not suitÂable for use with Diesel Fuel. Note: Buna also available.