Butterfly valves are designed for bubble-tight shut-off to 200 psi
Body: Carbon steel
Housing: Ductile iron conforming to ASTM A395 grade 60-40-18,painted black.
Seat/Liner:Nitrile"T"grade. Temperature range –20°F to +180°F/–29°C to +82°C.
Recommended for petroleum products, air with oil vapors, vegetable and mineral oils within the specified temperature range.
Not recommended for hot water services over +150°F/+66°C or for hot dry air over +140°F/+60°C.
Disc: Aluminum bronze/stainless steel 316
Track Bolts/Nuts:Steel, Electroplated