The swing blind valve is a specialized valve designed for stable operation in powder environments such
as fly ash and cement. This innovative valve combines a spectacle flange and a knife gate valve into a
single unit, addressing the challenges of seal performance (leakage) and installation space in traditional
knife gate valves. As a result, it minimizes installation space while ensuring high sealing performance,
making it highly reliable even in powder environments
Product Composition and Features
Product SPEC.
| Model | Size | Max,Pressure | Temp.range | Body material | Disc and Seat ring Material |
|---|---|---|---|---|---|
| SV150~SV450 | 150A ~ 450A | 0.5MPa | 0~180℃ | SS275 | SUS304 |
Product Comparison (Knife Gate Valve)
| Item | Knife Gate Valve | Swing Blind Valve | |
|---|---|---|---|
| Seat Ring Material | Metal | Metal, Rubber | |
| Seat Ring Features | Fixed Type (Leakage-prone) |
Moving Type (Excellent sealing performance) |
|
| Installation Space | Requires height space 3 times the pipe size | Requires side space 1.5 times the pipe size | |
| Face-to-Face Distance | MSS-SP-81 | MSS-SP-81 | |
| Operating Temperature (℃) | 0 ~ 70 | 0 ~ 180 | |
| Process Comparison | Detailed Process | Pre-wash: Disassemble flange bolts → Insert flange (closed) → Tighten flange bolts → Wash → Drain cleaning water → Disassemble flange bolts → Insert flange (open) → Tighten flange bolts | Pre-wash: Close the disk → Wash → Drain cleaning water → Open the disk |
| Work Duration | 120 minutes or more | Less than 2 minutes | |
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