COVNA HK59-D-D Cast Steel Flange Pneumatic Knife Gate Valve
Key Features
- Multi‑standard flange connection (DIN, JIS, 10K, ANSI, GOST) for seamless integration in global projects
- Robust knife gate design cuts through solids or fibrous media, preventing blockage
- High‑efficiency pneumatic actuator, available in double‑acting (DA) or single‑acting (SR), with fail‑safe options
- High temperature & corrosion resistance: operating range from ‑29℃ to 650℃
- Compact, lightweight structure reduces installation space requirements and retrofitting costs
Technical Specifications
| Specification | Value |
|---|---|
| Model | HK59-D-D |
| Size Range | DN50–DN2000 (2″–80″) |
| Pressure Rating | 1.0MPa–2.5MPa |
| Body Material | Cast Steel |
| Gate Material | Stainless Steel |
| Seat Material | PTFE / PPL |
| Connection Type | Flange / Wafer |
| Operation | Pneumatic (DA / SR) |
| Suitable Media | Water, Steam, Gas, Oil, Powder, Mildly Corrosive Fluids |
Applications
- Industrial pipelines: metallurgy, mining, paper manufacturing, chemical processing
- Energy sector: power plant ash handling, gas transmission
- Environmental engineering: wastewater treatment, slurry transfer
- Food & pharmaceutical: powder and granular material control
Optional Accessories
- Solenoid valve
- Limit switch box
- Air filter regulator
- Positioner
- Manual bypass device
- Locking valve
Why Choose COVNA
COVNA delivers not just valves, but globally compatible, application‑tailored solutions. Every HK59-D-D undergoes rigorous testing to ensure consistent performance in high‑cycle operations, complex media, and extreme temperature environments.
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