BF Kogyo Kaisha G Series Butterfly Valves

Manufacturer: BF Kogyo Kaisha, Ltd.
Model: G Series

Features

  • The standard type of valve for ships.
  • The valve’s original features have been preserved, and it now also features a more compact and lighter construction, and its tightness and operability have also been improved.
  • The maximum working pressure is 1.6 MPa. It is also used for general industrial purposes.
  • It has obtained model authorization of various ship classifications such as Lloyd, ABS and NK.

  1. Gland packing
  2. Thrust block
  3. Upper bearing
  4. Shaft
  5. Seat
  6. Seat retainer
  7. Disc set pins
  8. Disc
  9. Seat retainer bolt
  10. Lower bearing
  11. Body
  12. Bottom cover gasket
  13. Bottom cover

Specifications

<G(wafer type)>

Size80A~1,000A
Working pressureMAX 1.0MPa
FlangesJIS
Body materialsFC200、SCPH2、SCS13、SCS14、SCS16
Disc materialsSCPH2、SCS13、SCS14、SCS16
Shaft materialsSUS403、SUS431、SUS304、SUS316、SUS316L

<G16(wafer type)>

Size80A~1,000A
Working pressureMAX 1.6MPa
FlangesJIS
Body materialsFC200、SCPH2、SCS13、SCS14、SCS16
Disc materialsSCPH2、SCS13、SCS14、SCS16
Shaft materialsSUS403、SUS431、SUS304、SUS316、SUS316L

Standard test pressure(hydraulic pressure)

<G>

Body shell1.5MPa
Seat1.1 MPa

<G16>

Body shell2.4MPa
Seat1.76 MPa

 Seat materials

NBR-10 ~80℃
EPDM-10 ~120℃
FKM-10 ~150℃
PTFE-20 ~180℃
METAL-20 ~200℃

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