D SERIES
This steel plate shutoff valve features lightweight, low cost and high air-tightness. It gives absolute seal tightness for gases and air from room temperature to ultra high temperatures.
[Casting Products]
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
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The D series tight shutoff damper valve disc rotates and slides simultaneously by turning the shaft 90° thanks to its mechanical structure system.
● Standard specifications
Size | 300A~2400A(Square type is also available) |
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Working pressure | MAX 0.05MPa |
Working temperature | MAX 600℃ |
Flange | JJIS、 ANSI、 Special |
● Standard materials(JIS code)
Body | SS400、SUS304、SUS316、SUS316L |
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Disc | SS400、SUS304、SUS316、SUS316L |
Shaft | SUS304、SUS403、SUS316、SUS316L |
● Standard test pressure(pneumatic)
Body shell | Max. allowable pressure ×1.5 |
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Seat | Max. allowable pressure ×1.1 |
● Seat materials
NBR | MAX 80℃ |
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EPDM | MAX 120℃ |
FKM | MAX 150℃ |
PTFE | MAX 200℃ |
NON A | MAX 600℃ |
METAL | MAX 600℃ |