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.

- Gland packing
- Thrust block
- Upper bearing
- Shaft
- Seat
- Seat retainer
- Disc set pins
- Disc
- Seat retainer bolt
- Lower bearing
- Body
- Bottom cover gasket
- Bottom cover
Specifications
<G(wafer type)>
| Size | 80A~1,000A |
|---|
| Working pressure | MAX 1.0MPa |
|---|
| Flanges | JIS |
|---|
| Body materials | FC200、SCPH2、SCS13、SCS14、SCS16 |
|---|
| Disc materials | SCPH2、SCS13、SCS14、SCS16 |
|---|
| Shaft materials | SUS403、SUS431、SUS304、SUS316、SUS316L |
|---|
<G16(wafer type)>
| Size | 80A~1,000A |
|---|
| Working pressure | MAX 1.6MPa |
|---|
| Flanges | JIS |
|---|
| Body materials | FC200、SCPH2、SCS13、SCS14、SCS16 |
|---|
| Disc materials | SCPH2、SCS13、SCS14、SCS16 |
|---|
| Shaft materials | SUS403、SUS431、SUS304、SUS316、SUS316L |
|---|
Standard test pressure(hydraulic pressure)
<G>
| Body shell | 1.5MPa |
|---|
| Seat | 1.1 MPa |
|---|
<G16>
| Body shell | 2.4MPa |
|---|
| Seat | 1.76 MPa |
|---|
Seat materials
| NBR | -10 ~80℃ |
|---|
| EPDM | -10 ~120℃ |
|---|
| FKM | -10 ~150℃ |
|---|
| PTFE | -20 ~180℃ |
|---|
| METAL | -20 ~200℃ |
|---|