Water-Cooled Hot Blast Valve DN500-1800
This water-cooled hot blast valve is suitable for large and middle-sized hot blast furnace systems. It functions as a high-temperature hot blast valve, back-draft valve, and hot blast-exhausting valve.



Technical Specifications
Product Overview
High-Temperature Hot Blast Valve System
This specialized water-cooled hot blast valve is engineered for demanding industrial environments, particularly within large and medium-sized hot blast furnace systems. It provides robust performance in critical roles such as high-temperature hot blast, back-draft, and exhaust control. With a focus on thermal management, the integrated water-cooling channel ensures reliable operation and longevity under extreme heat.
Technical Specifications
Driving Modes
- Winch driving
- Hydraulic driving
- Electric driving
Primary Materials
- Q235
- 20g
- 1Cr18Ni9Ti
- Special heat-resistant alloy steel
- Size Range
- DN500-1800
- Model Series
- QYTR43RQYTR43fRQYTR743RQYTR743fRQYTR943RQYTR943fRQYTR9T43R
Cooling System
Water Pressure
Operational Guidelines
| Requirement | Detail |
|---|---|
| Cooling Medium | Industrial cycled water |
| Temperature Delta | Inlet/Outlet difference below 12°C |
| Safety | Prevention of frostbite required when idle |
| Monitoring | Water shortage/cutoff strictly prohibited |
Design Features
Sealing and Design
- Floating seal device between stem and bonnet
- Metal seal ring with high-temperature resistant glue between body and bonnet
- Pressure-differential assisted sealing



