| Feature: |
Armored
Gage Glass |
Magnetic
Gage |
| Temperature: |
Cryogenic
to 800 F(427 C) |
Cryogenic
to 1000 F(538 C) |
| Pressure: |
Full
Vacuum to 10,000 PSI |
Full
Vacuum to 5,500PS |
| |
Full
Vacuum to 690 bar |
Full
Vacuum to 379 bar |
| Indication: |
Direct |
Indirect Ref.
ASME Interpretation: I-92-96,
Section I, PG-60.2 |
| Remote Indication/Switching: |
Difficult |
Easy |
| Specific Gravity: |
N/A |
Must
Be Stable |
| Purchase Cost: |
Generally
Lower |
Generally
Higher |
| Spare Parts: |
Interchangeable |
Float for each application |
| Visibility Range: |
Sectional
gaps 1.5in.(38 mm) |
Continuous
to approx. 16ft(4.9 m) |
| Weight: |
Heavy |
Light |
| Materials: |
Carbon
and Stainless Steels Special
alloys possible May
be expensive |
Must
be non-ferritic pipe float
material per application Predictable |
| Space Requirements: |
Predictable |
Allowance
for submerged float must
be considered |
| Maintenance: |
Periodic
per application Rebuild
required |
Periodic
per application Replace
float |
| Maintenance Cost: |
Generally
Higher |
Generally
Lower |
| Visibility: |
Reflex
- Easy Transparent-Harder,
Should use illumination |
Easy |