(Was Model 120, 121)
Standard Features:
- Full Protective Shield Around Inner Glass Tube
Connection Sizes:
- 1/2″ to 3″ NPT (Female)
Standard Ratings:
| PRESSURE RATINGS (PSIG) | |||||||||
|---|---|---|---|---|---|---|---|---|---|
| 1/2" to 2" | 3" | ||||||||
| Material | 75°F | 100°F | 140°F | 185°F | 225°F | 75°F | 100°F | 140°F | 185°F |
| Polypropylene | 50 | 50 | 50 | 50 | - | 50 | 50 | 50 | 50 |
| PVC | 140 | 130 | 110 | - | - | 115 | 105 | 90 | - |
| Teflon® | 120 | 115 | 100 | 85 | 60 | - | - | - | - |
| DIMENSIONS | |||||
|---|---|---|---|---|---|
| 1/2” 3/4” | 1" | 1¼” 1½” | 2" | 3" | |
| Overall Length | 4-3/4” | 5-1/4” | 5-7/8” | 7-3/8” | 8-3/8” |
| Visible Length | 2-1/4” | 2-1/4” | 2-1/2” | 3-1/8” | 3-3/8” |
Standard Wetted Materials:
- End Fittings: Polypropylene, PVC or PTFE
- O-Ring Seals: Viton®
- Glass: Borosilicate Cylinder
Standard Non-Wetted Materials:
- Hardware: 18-8SS
- Shield: Acrylic
Options:
- Buna-N or Ethylene Propylene (EPDM) Gaskets
- Flutter Device (Vinyl or Viton®)
Application Notes:
- Steam Service: Not acceptable
- Potable Water: The glass has not been tested and certified to be acceptable for potable water
- Vacuum Service: Suitable for vacuum service
- Gaseous Service: Not designed for lightweight gases
- Corrosion: Before ordering, verify all materials of our sight flow indicators are compatible with the service media(s), intermittently used cleaners, the environment, and cleaning processes in conjunction with the temperatures and pressures of the application(s) and future applications. John C. Ernst LLC. does not make chemical compatibility recommendations. Compatibility is the responsibility of the user.
Replacement Parts:
- Please contact our sales department
Alternate Equipment:
- Fully Shielded Metal Indicators: Series S18T
Model Number Matrix
