Industrial High-Pressure Sight Glass — Stainless Steel Sight Window for Vessels & Reactors
Reliable industrial high-pressure sight glass with stainless housing and replaceable borosilicate or sapphire window. Custom options & pressure test reports.
Description
Reliable industrial sight glass for high-pressure applications. Robust stainless-steel housing, replaceable viewing pane, and configurable seals for chemical and high-temperature service — available with certification and custom options.
Key benefits
- Designed for industrial high-pressure service with secure bolted construction.
- Durable stainless-steel body with replaceable borosilicate glass (standard) or optional sapphire window.
- Modular, easy maintenance: quick replacement of seals and glass inserts.
- Customizable materials and certifications to match process requirements.
Features & Highlights
- Heavy-duty bolted cover for reliable sealing under pressure.
- Multiple viewing materials: borosilicate glass / Borofloat / tempered glass/sapphire glass.
- Sealing options: PTFE, Viton, Graphite (select per chemical & temperature).
- Standard and custom flange/bolt patterns.
- Surface finish options: brushed or polished stainless steel.
- Factory pressure test and material certificates available on request.
Technical specifications
| Product — Typical Configuration | |
|---|---|
| Housing material | Stainless steel (304 standard, 316 optional) |
| Viewing pane | Borosilicate glass (standard); Borofloat / Sapphire (optional) |
| Seals | PTFE / Viton / Graphite (per application) |
| Mounting | Flange or bolted block (customizable) |
| Pressure rating | Industrial high-pressure — specify with order; factory test report provided |
| Temperature range | Depends on glass & seal selection — confirm per configuration |
| Finish | Brushed / Polished stainless steel |
| Certification | Material certificates, factory pressure test (on request) |
Typical applications
- Chemical reactors and high-pressure process vessels
- Hydrogenation and petrochemical units
- High-pressure test rigs and autoclaves
- Pilot plants and laboratory pressure apparatus
- Filtration units and pressure testing benches








