Specification of Butterfly Valve Keystone Type 221 / 222
Butterfly Valve
Specifications
Butterfly Valve Keystone
Type 221/222
Type: Ar1, 106
Stem: 416 Stainless Steel
Disc: 316 Stainless Steel
Body: Cast Iron
Seat: Epdm/Nbr
W.P. Rating: 250 Psi
Temperature Range:-40 deg. F To + 250 deg. F
Pressure: To 250 Psi
Size: 2 "3" 4 "6" 8 "10" 12 "16" 20 "
