BF Kogyo Kaisha
BF Kogyo Kaisha B Series Butterfly Valves

Manufacturer: BF Kogyo Kaisha, Ltd.
Model: B Series
Features
- Key way
It allows easy assembly and disassembly of all types of actuator - Gland follower
- Packing gland
- Gland packing
- Adapter
- Upper and lower bearings
The bearings are of Teflon coated stainless steel mesh construction to ensure smooth and reliable shaft movement with balanced contact between disc and seat resulting in lower torque. - Seat
- Disc stopper
- Seat retainer
Integral with retainer plate. Plate is located by. - Body
Slim wafer pattern for easy mounting between flanges to specification - Thrust ring
- Thrust piece

Rubber seat
- Inner core metal with rubber vulcanized to metal shaped one piece with retainer.

Teflon seat
- Applicable to almost all corrosive fluids thanks to Teflon’s anti-corrosive characteristic.

Metal seat
- Made of nitriding-hardened stainless steel. The ideal choice for high temperature and special fluids.

Specifications
| Size | 80A~300A |
|---|---|
| Working pressure | MAX 1.0MPa |
| Flanges | JIS、ANSI |
Standard materials(JIS code)
| Body | FCD450-10、SCS13、SCS14、SCS16 |
|---|---|
| Disc | FCD450-10、SCS13、SCS14、SCS16 |
| Shaft | SUS304、SUS316、SUS316L |
※The materials of the body, disc and shaft can be chosen freely as required.
Standard test pressure(hydraulic pressure)
| Body shell | 1.5MPa |
|---|---|
| Seat | 1.1 MPa |
Seat materials
| NBR | -10 ~80℃ |
|---|---|
| EPDM | -10 ~120℃ |
| FKM | -10 ~150℃ |
| PTFE | -20 ~180℃ |
| METAL | -20 ~200℃ |











