Deskripsi
No Blind Spot Water Level Gauge
Model : B69H-32/3-W
Lenght : 670mm
Brand : CHANGCHUN BOILER INSTRUMENT
Here’s a full technical and procurement-ready overview of the Changchun Boiler Instrument B69H-32/3-W No Blind Spot Water Level Gauge, model length L=670 mm, designed for high-pressure boiler drum applications
Product Overview:
The B69H-32/3-W is a mica-protected, bi-color water level gauge engineered for direct visual monitoring of boiler drum water levels under extreme conditions. Its “no blind spot” design ensures full visibility across the entire liquid column, even during rapid level changes or steam surges. It’s widely used in thermal power plants, chemical processing, and high-pressure steam systems.
Specifications
| Parameter | Value / Description |
|---|---|
| Model | B69H-32/3-W |
| Nominal Pressure | 32 MPa |
| Working Pressure | ≤ 21.5 MPa |
| Working Temperature | ≤ 540°C |
| Center-to-Center Length | 670 mm |
| Visible Length | ~460 mm |
| Number of Windows | 5 |
| Window Size | 155 × 44 mm |
| Light Source | LED cold light (green for water, red for steam) |
| Sealing Surface Tolerance | ≤ 1 mm vertical plane error |
| Connection Standard | HG20592-2009 flange (DN20-PN10 or Ø28×4 mm weld) |
Material Composition:
- Gauge Body: Carbon steel, SS304, or SS316L (user-specified)
- Window Protection: Mica sheets (high temp, corrosion-resistant)
- Glass Type: Borosilicate or quartz (bi-color transmission)
- Gasket: Flexible graphite with corrugated skeleton
- Valves: Steam valve, liquid valve, and blowdown valve with safety steel balls
All materials conform to Chinese pressure vessel instrumentation standards.
Dimensions (Typical):
| Component | Dimensions (mm) |
|---|---|
| Gauge Body Length | 670 (center-to-center) |
| Visible Window Area | ~460 |
| Window Size | 155 × 44 × 5 units |
| Mounting Flange | DN20 or Ø28×4 mm weld |
| Total Height | ~150–200 mm |
Application Scope:
- Boiler Drum Water Level Monitoring
- High-Pressure Steam Vessels
- Petrochemical Reactors
- Thermal Power Generation
- Explosion-Proof Zones (with optional light source)
Ideal for environments requiring real-time, direct visual confirmation of water levels under high pressure and temperature.
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