(Was Model 341) (Was Model 320/316) (Was Model 322) (Was Model 722) (Was Model 723)
Benefits & Features
- Provides direct visual observation of process in vessels or pipe
- Threads directly into female half coupling
- Fused Glass units suitable for vacuum service
- Sizes 1/4” to 3”MNPT
- Style SF has superior fused glass clarity
Application Notes:
- Saturated Steam Service: Contact factory
- Potable Water: Carbon Steel units are not suitable for potable water, but Stainless Steel units are suitable
- Vacuum Service: Style HF and SF only
- Gaseous Service: Style HF and SF only
- Compatibility: Before ordering, verify all materials 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. Ernst Instruments does not make chemical compatibility recommendations. Compatibility is the responsibility of the user and/or specifying party.
WARNING: This product can expose you to certain chemicals, which are known to the State of California to cause cancer or birth defects or other reproductive harm. For more information go to: www.P65Warnings.ca.gov
Replacement Parts
- Please contact our Sales Dept. sales@ernstinstruments.com or call 888-943-5000
Visible Diameter
| Visible Diameter | |||||
|---|---|---|---|---|---|
| Size | LP | MP | MF | HF | SF |
| 1/4” | .28” | - | .31” | .31” | .31” |
| 3/8” | .47” | - | .47” | .44” | .39” |
| 1/2” | .59” | .58” | .59” | .56” | .55” |
| 3/4” | .69” | .69” | .78” | .75” | .71” |
| 1” | .93” | .94” | 1.00” | .94” | .87” |
| 1-1/4” | 1.25” | 1.25” | 1.14” | 1.18” | .98” |
| 1-1/2” | 1.53” | 1.50” | 1.53” | 1.43” | 1.18” |
| 2” | 1.53” | 1.23” | 1.97” | 1.88” | 1.46” |
| 3” | - | 2.22” | - | - | 2.17” |
See drawings for more ratings and dimensions.
MODEL NO. MATRIX
Low Pressure – Brass & CS
Medium Pressure – CS & 316SS
Medium to High Pressure – Fused Glass
High Pressure – Fused Glass
Extra High Pressure – Fused Glass
