Standard: GB12238

Nominal Diameter: DN250 -1800mm

Suitable temperature: ≤ 80 ℃

Materials: ray cast iron ductile iron alloy cast iron

Sealing material: Rubber to SS

Leakage rate: GB/T13927 Class A

Operating mode: manual 、 electric

Disk with wing-rectifying plate, anti-cavitation, electric operation type can automatically regulate flow.