Soft Seated Centric Butterfly Valve Plant: Cast Iron GG25 Centric Butterfly Valves, API 609, Soft Sealed, DN400 (4 Inch), PN20, Lug Type, Wrench.
Body material: Cast Iron GG25.
Nominal diameter: DN100, 4 Inch.
End connection: Lug.
Face to face: API 609.
Working temperature: -15℃ - +140℃ .
Mode of operation: Wrench.
Test and inspection: API 598.
Design standard: API 609.
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