(Was Models 105, 155)
Standard Features:
- Threaded Flange Connections
Standard Connections:
- 1/2″ to 4″ NPT (Female)
Standard Ratings:
| STANDARD LENGTHS PRESSURE RATINGS (PSIG) | ||||
|---|---|---|---|---|
| Size | Overall Length | Visible Length | Carbon Steel @250°F | 316SS @400°F |
| 1/2” 3/4” | 5” | 3-7/8” | 150 | 150 |
| 1" | 5-1/8” | 3-7/8” | 130 | 130 |
| 1-1/4” | 5-3/8” | 3-7/8” | 105 | 105 |
| 1-1/2” | 7-5/8” | 6” | 105 | 105 |
| 2” | 7-3/4” | 5-7/8” | 65 | 65 |
| 2-1/2” | 8” | 5-7/8” | 65 | 65 |
| 3” | 8-1/8” | 5-7/8” | 55 | 55 |
| 4” | 8-3/8” | 5-7/8” | 35 | 35 |
| 12" LENGTHS PRESSURE RATINGS (PSIG) | ||||
|---|---|---|---|---|
| Size | Overall Length | Visible Length | Carbon Steel @250°F | 316SS @400°F |
| 1" | 12” | 10-3/4” | 90 | 90 |
| 1-1/4” | 12” | 10-1/2” | 105 | 105 |
| 1-1/2” | 12” | 3-7/8” | 105 | 105 |
| 2” | 12” | 10-1/8” | 65 | 65 |
| 2-1/2” | 12” | 9-7/8” | 65 | 65 |
| 3" | 12" | 9-3/4” | 55 | 55 |
| 4” | 12” | 9-1/2” | 35 | 35 |
Note: Ratings are limited by standard gasket types and glass lengths. Refer to drawings or consult Sales for additional options or ratings.
Standard Wetted Materials:
- Threaded Flanges: Zinc Plated Carbon Steel or 316SS
- Gaskets: Neoprene (for CS Flanges), PTFE (for SS Flanges), Fluorocarbon (Viton®)
- Glass: Borosilicate Cylinder Glass
Standard Non-Wetted Materials:
- Hardware: 18-8 Stainless Steel , except 2.5 to 4″ is Plated Steel
- Shield: Polycarbonate
Options:
- Up to 400°F Rating
- Lengths up to 18″ (For Sizes 1″ to 4″)
- Buna-N, Fluorocarbon (Viton®), SoftChem PTFE, and Ethylene Propylene (EPDM) Gaskets
- Polycarbonate Tube
- Socket Weld Connections
Application Notes:
- Steam Service: Not acceptable
- Potable Water: This unit has not been tested and certified to be acceptable for potable water
- Vacuum Service: Acceptable except when using with hard gaskets
- 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:
- Alternate Plastic Indicators: Series S21T
- Double Window Indicators with Bezel Ring Glass Retainers: Series S12
- Double Window Indicators, Alternate Style: Series S13T
- Double Window Indicators with Flange Plate Glass Retainers: Series S14T
- Double Window Indicators with Integral Flange Plate Glass Retainers: Series S14TC
Model Number Matrix
