Flanged Double Window Sight Flow Indicator High Pressure – #300, #600

1. 1. Safety First

   Ensure the system is depressurized and drained. Wear appropriate PPE such as gloves, safety glasses, and protective clothing.

2. 2. Prepare the Flanges

   Clean flange faces and ensure they are free of debris, rust, or old gasket material.

3. 3. Position the Gaskets

   Place gaskets between flanges ensuring proper alignment with bolt holes.

4. 4. Align the Sight Flow Indicator

   Match flow direction and ensure correct alignment using pipe tools if needed.

5. 5. Insert the Bolts

   Insert bolts, washers, and nuts. Hand-tighten to maintain alignment.

6. 6. Tighten the Bolts

   Use torque wrench in cross pattern (30%, 60%, 100%) following manufacturer specs.

7. 7. Final Inspection

   Ensure no gaps, secure fastening, and clean sight windows.

8. 8. Test the System

   Pressurize gradually and check for leaks.

9. 9. Operational Check

   Verify flow visibility and correct operation.

• Double window sight flow indicator with flanged connections
• New Sight Glass acc DIN 7080
• Appropriate gaskets for flanged connections
• Bolts, nuts, and washers compatible with flange specifications
• Torque wrench
• Pipe alignment tools
• Personal protective equipment (PPE)

• Periodically inspect for wear, damage, or leaks
• Keep sight flow indicator clean using compatible agents
• Replace damaged components immediately
• Use proper supports and clamps to avoid vibration

• Do not overtighten bolts or clamps
• Do not use abrasive cleaning tools
• Do not exceed pressure rating
• Do not ignore leaks
• Do not expose to thermal shock
• Do not use incompatible fluids
• Do not neglect maintenance

Perform regular inspections to identify damage, corrosion, or residue buildup. Increase frequency in high-pressure environments.

Use non-abrasive cleaners. Avoid wire brushes or harsh materials.

Inspect glass under angled light and replace if scratched, cloudy or damaged.