(Was Model 205, 255)
Standard Features:
- Full Protective Polycarbonate Shield (UV stabilized)
Connection Sizes:
- 1/2″ to 6″ 150Lb Flanges
Standard Ratings:
| STANDARD LENGTHS PRESSURE RATINGS (PSIG) | ||||
|---|---|---|---|---|
| Size | Overall Length | Visible Length | Carbon Steel @250°F | 316SS @400°F |
| 1/2” 3/4” | 3-7/8” | 2-3/4” | 150 | 150 |
| 1” | 4” | 2-3/4" | 140 | 140 |
| 1-1/2” | 4” | 2-1/2" | 105 | 105 |
| 1-1/2” | 4” | 2-1/2" | 105 | 105 |
| 2” | 4-3/4” | 3” | 75 | 75 |
| 2-1/2” | 5-3/8” | 3-1/2” | 60 | 60 |
| 3” | 5-3/8” | 3-1/2” | 65 | 65 |
| 4” | 7-1/2” | 7-1/2” | 45 | 45 |
| 6” | 10-3/8” | 8-3/8” | 35 | 35 |
| 12” LENGTHS PRESSURE RATINGS (PSIG) | ||||
|---|---|---|---|---|
| Size | Overall Length | Visible Length | Carbon Steel @250°F | 316SS @400°F |
| 1-1/2” | 12” | 10-1/2” | 105 | 105 |
| 2” | 12” | 10-1/4” | 75 | 75 |
| 2-1/2” | 12" | 10-1/8” | 60 | 60 |
| 3” | 12" | 10-1/8” | 65 | 65 |
| 4” | 12” | 10-1/16” | 45 | 45 |
| 6” | 12” | 10” | 35 | 35 |
Note: Ratings are limited by standard gasket types. Refer to drawings or consult Sales for additional options or ratings.
Standard Wetted Materials:
- Flanges: Zinc Plated Carbon Steel or 316SS
- Gaskets: Neoprene (for CS Flanges), PTFE (for SS Flanges)
- Glass: Borosilicate Cylinder
Standard Non-Wetted Materials:
- Hardware: Stainless Steel
- Shield: Polycarbonate
Options:
- Up to 400°F Rating
- Lengths up to 18″ (For Sizes 1½” to 4″)
- Buna-N, Fluorocarbon (Viton®), SoftChem (PTFE), and Ethylene Propylene (EPDM) Gaskets
- Polycarbonate Tube
Application Notes:
- Steam Service: Not acceptable
- Potable Water: This unit has not been tested and certified to be acceptable for potable water
- Vacuum Service: Suitable for Full Vacuum
- 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 S21F
Model Number Matrix
