Sight Glasses
Hygienic sight glasses for visual flow inspection in sanitary process piping — precision-forged stainless-steel body with high-pressure borosilicate glass, clamp, weld, RJT and union end connections for dairy, pharma and food systems.
Visual Inspection Fittings
Hygienic Sight Glasses for Sanitary Piping
Our Sight Glasses provide clear visual inspection of product flow through process pipelines. Each unit features a precision-forged stainless-steel body (SS 304 or SS 316L) with high-pressure borosilicate glass rated to 10 bar maximum working pressure. Full stainless-steel screw bolts and EPDM / Silicone / Viton seals ensure long service life in demanding pharmaceutical, bio-technology, dairy and food applications.
Available with Clamp-end, Weld-end, RJT/SMS/DIN/IDF male-end, and Union-end connections, supporting sizes from 1.0" to 4.0". Each sight glass is factory-tested and comes with detailed assembly and maintenance documentation.
Range
Products in This Family
Sight Glass — Weldable End
- End
- Weldable
- Size
- DN12.5–DN100 (1/2"–4")
- Grade
- SS 304 / 316
- Standard
- DIN / SMS
- Media
- Beer / Food / Dairy / Beverage / Cosmetic / Pharma / Chemical
Sight Glass — Tri-Clover End
- End
- Tri-Clover
- Size
- DN12.5–DN100
- Grade
- SS 304 / 316
- Standard
- DIN / SMS
Sight Glass — Threaded / SMS End
- End
- Threaded / SMS
- Size
- DN12.5–DN100
- Grade
- SS 304 / 316
- Seals
- DIN / SMS
Clamp-End Sight Glass
- Type
- Modular with Tri-Clamp ferrule ends
- Connection
- Quick assembly and disassembly
- Size
- 1.0"–4.0"
- Body
- SS 304 / 316L
- Glass
- High-pressure borosilicate
Weld-End Sight Glass
- Type
- Permanent butt-weld connection
- Connection
- Continuous process lines
- Size
- 1.0"–4.0"
- Body
- SS 304 / 316L
- Glass
- High-pressure borosilicate
Union-End Sight Glass
- Type
- Union-threaded end connections
- Connection
- Rapid connect/disconnect
- Size
- 1.0"–4.0"
- Body
- SS 304 / 316L
- Glass
- High-pressure borosilicate
Dimensions
Specification Tables
All dimensions in millimetres (mm) unless noted. Sizes shown as nominal inch (").
| Size | A | B | C | D | E | F | G |
|---|---|---|---|---|---|---|---|
| 1.0" | 148 | 80 | 79 | 22.1 | 25.4 | 32 | 26 |
| 1.5" | 156 | 80 | 85 | 34.9 | 38.1 | 40 | 34 |
| 2.0" | 160 | 80 | 105 | 47.5 | 50.8 | 60 | 50 |
| 2.5" | 160 | 80 | 112 | 60.2 | 63.5 | 75 | 65 |
| 3.0" | 162 | 80 | 125 | 72.2 | 76.2 | 85 | 75.4 |
| 4.0" | 168 | 80 | 157 | 97.6 | 101.6 | 110 | 100 |
| Size | A | B | D | F | G |
|---|---|---|---|---|---|
| 1.0" | 148 | 80 | 79 | 32 | 26 |
| 1.5" | 156 | 80 | 85 | 40 | 34 |
| 2.0" | 160 | 80 | 105 | 60 | 50 |
| 2.5" | 160 | 80 | 112 | 75 | 65 |
| 3.0" | 162 | 80 | 125 | 85 | 75.4 |
| 4.0" | 168 | 80 | 157 | 110 | 100 |
Body: SS 304 / SS 316L. Glass: high-pressure borosilicate, max working pressure 10 bar. Seals: EPDM / Silicone / Viton.
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