Product Feature:
Concentric structure, with pin on the through shaft or pinless double half shaft design.
Disc has two way bearing, no installation direction requirements.
End flange can meet different connection standards.
Backed replaceable seat with good performance and a longer working life.
Easy installation, no need flange gasket.
Technical Parameters:
Nominal diameter: DN600 - DN1200.
Nominal pressure: PN10, PN16.
Testing pressure: Shell: PN15, PN24.
Seal: PN11, PN17.6.
Suitable temperature: -40℃-200℃.
Suitable medium: Drinking water, sewage, seawater, food, medicines, gas, oil and acid.
Main Raw Material:
Body: Cast iron, Ductile iron, Carbon steel, ASTM A351 CF8M.
Disc: Plated ductile iron, ASTM A351 CF8, Aluminum bronze.
Stem: Stainless steel.
Seat: EPDM, NBR, WRAS-EPDM, Viton, Silicon.
Actuator: Lever, Gearbox, Hand wheel, Pneumatic, Electric.
1.Replaceable backed seat.
2.Pin disc, Pinless Nylon disc, Epoxy disc.
Reference Standard:
Design standard: API 609.
Testing standard: API 598.
Top flange standard: ISO 5211.
End flange standard: DIN PN10, PN16, ANSI 125, 150, BS 4504, PN10, PN16.
Face to face standard: API 609, EN 558-1, 20 Series, ISO 5752, 20 Series.