Premium Square Panel Sight Glass for Industrial Applications
Product Modek:LJSJ
Nominal Diameter:15~500mm
Nominal Pressure:0.6~2.5MPa
Suitable temperature:-29°C-150°C:
suitable Medium:Water,oil,steam
PRODUCT TITLE:
PREMIUM SQUARE PANEL SIGHT GLASS FOR INDUSTRIAL APPLICATIONS
Model: LJSJ
Product Overview & Applications
Clear Process Monitoring in Harsh Industrial Conditions
- Purpose: Designed for direct visual inspection of fluid flow, clarity, and process integrity in high-pressure pipelines. Ensures safe operation by detecting leaks, contamination, or flow irregularities in real time.
- Key Applications:
- Petrochemical Plants: Monitoring crude oil, LPG, and chemical reactors.
- Power Generation: Boiler feedwater, steam lines, and cooling systems.
- Oil & Gas: Hydraulic fracturing, fuel transfer, and lubrication circuits.
- HVAC/Refrigeration: Glycol solutions and brine lines.
- Water Treatment: RO systems, desalination, and pumping stations.
Technical Specifications
| Parameter |
Details |
| Model |
LJSJ (Square Panel Design) |
| Nominal Diameter |
15mm-500mm (custom sizes available) |
| Nominal Pressure |
0.6-2.5MPa (PN6-PN25 rated) |
| Working Temperature |
-29°C-150°C (supports cryogenic to high-temp) |
| Body Material |
304/316L Stainless Steel (CF8M/CF3M) |
| Window Material |
Tempered Borosilicate Glass (high-impact) |
| Seal Options |
PTFE, Graphite, or Metal-to-Metal (high-temp) |
| Connection Types |
ANSI/DIN Flanges, Weld-End, or Threaded (NPT/BSP) |
| Media Compatibility |
Water, Oil, Steam, Gas, and Neutral Chemicals |
Quality & Compliance
- Design Standards:
- GB/T 12235: Complies with Chinese sight glass manufacturing regulations.
- ASME B16.34: Meets international pressure-temperature ratings.
- Testing & Certification:
- Hydrostatic Proof Test: 1.5× nominal pressure (zero leakage).
- Helium Leak Detection: Optional for gas-tight applications.
- Material Certifications: EN 10204 3.1B for stainless steel, CE/PED compliant.
- Safety Features:
- Overpressure Relief: Reinforced glass retainer rings.
- Anti-Vibration Design: Shock-absorbing gaskets for high-vibration environments.
Product Advantages
- Superior Visibility: Square panel design maximizes viewing area vs. circular models.
- High-Pressure Robustness: 2.5MPa rating for steam/high-pressure fluid systems.
- Modular Flexibility: Interchangeable window/seal kits for maintenance efficiency.
- Customizable Options:
- Lighting Kits: LED illumination for low-light installations.
- Micron-Grade Filters: For particle detection in hydraulic systems.
- Drain/Vent Ports: For easy cleaning in hygienic processes.
Packaging & Support
- Export Packaging: Vacuum-sealed in foam trays, wooden crates with desiccant bags.
- Technical Documents: Installation guides, CAD drawings (DWG/STEP), and test reports.
- Warranty: 24-month replacement warranty for manufacturing defects.
- OEM/ODM Services: Custom branding, dimensional adjustments, and material upgrades.
Why Choose LJSJ?
A premium solution for critical industrial applications requiring high-pressure, high-temperature resilience. The square panel design ensures unobstructed flow monitoring, reducing risks of process failures and maintenance costs.
Keywords: Industrial Sight Glass, Square Panel Flow Indicator, High-Pressure Observation Window, Steam Sight Glass, Stainless Steel Pipeline Monitor.
Audited Supplier 
){kind=link}