- Stainless steel disc and PTFE seat
- Double-eccentric structure with minimal seat wear
- KA type actuator with NAMUR dimensions
Japan, Yoshitake
YOSHITAKE KBFV-1S Butterfly Valve
Made in Japan
Manufacturer: Yoshitake
Model: KBFV-1S
Specifications
| Feature | Butterfly valve, stainless steel, ON-OFF | |
|---|---|---|
| Type | Pneumatic butterfly valve | |
| Specifications | Product type | Air operated valve |
| Nominal size | 50A (2″) – 150A (6″) | |
| Application | Steam, air, water, oil and other non-dangerous fluid | |
| End connection | Wafer (connectable to JIS10K, ASME Class 150 and EN PN16 flanges) | |
| Max. pressure | 1.9 MPa (*1) | |
| Max. temperature | 190 degree(C) (*1) | |
| *1 | The relationship between working pressure and temperature is according to the P-T Rating below. | |
| Operating fluid | Air or nitrogen gas | |
| Operating air press. | 0.4MPa to 0.8MPa | |
| Ambient temperature | -20 to 80 degree(C) | |
| Operation | Double action (90°) | |
| Mounting standard | Ancillaries: NAMUR | |
| Material | Body | Stainless steel |
| Disc | Stainless steel | |
| Seat | PTFE | |
| Actuator | Aluminum alloy | |
Remarks
* Use sheet gaskets when connecting the valve to pipes.
* Avoid installing the product at a location where the flow is uneven, such as near the discharge outlet of the pump, outlet of an elbow, downstream side of a reducer and outlet side of a control valve.
* Use the valve within Pressure-Temperature rating.
Dimensions and Weights
| Size | H(mm) | H1(mm) | L(mm) | Weight(kg) |
|---|---|---|---|---|
| 50A(2″) | 257 | 72 | 43 | 6 |
| 65A(2-1/2″) | 272 | 80 | 49 | 7 |
| 80A(3″) | 291 | 87 | 49 | 8 |
| 100A(4″) | 314 | 102 | 54 | 11.5 |
| 125A(5″) | 348 | 120 | 56 | 15 |
| 150A(6″) | 392 | 132 | 56 | 20.5 |
Dimensional drawing
