Soft seat center butterfly valve factory: cast iron GG25 center butterfly valve, API 609, soft seal, DN400 (4 "), PN20, lug type, wrench.
Valve body material: cast iron GG25.
Nominal diameter: DN100, 4 inches
Stress: PN20.
Terminal connection: connector.
Face to face: API609.
Operating temperature: -15℃-+ 140℃.
Operation: wrench.
Testing and inspection: API598.
Design standard: API 609.