Manufacturer: BF Kogyo Kaisha, Ltd.
Model: D Series
Features
- This steel plate airtight damper is mainly used as a shutoff valve for high temperature gases (600℃ max.) and gives unrivaled sealing performance.
- It is used for a wide range of applications including steel works, boiler equipment, fumigation equipment, smoke collector ducts, and solvent recovery.
- Guide lever
- Disc
- Shaft
- Body
- Seat
- The D series tight shutoff damper valve disc rotates and slides simultaneously by turning the shaft 90° thanks to its mechanical structure system.
Specifications
| Size | 300A～2400A（Square type is also available） |
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| Working pressure | MAX 0.05MPa |
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| Working temperature | MAX 600℃ |
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| Flange | JJIS、 ANSI、 Special |
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Standard materials（JIS code）
| Body | SS400、SUS304、SUS316、SUS316L |
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| Disc | SS400、SUS304、SUS316、SUS316L |
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| Shaft | SUS304、SUS403、SUS316、SUS316L |
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Standard test pressure（pneumatic）
| Body shell | Max. allowable pressure ×1.5 |
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| Seat | Max. allowable pressure ×1.1 |
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Seat materials
| NBR | MAX 80℃ |
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| EPDM | MAX 120℃ |
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| FKM | MAX 150℃ |
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| PTFE | MAX 200℃ |
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| NON A | MAX 600℃ |
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| METAL | MAX 600℃ |
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