|
|
Features
•
Sizes 1/4" NPT up to 1" Flanged
• Auto Ball Checks Available
• For Glass Tube or Shielded Gauges
Ratings
•
Pressure Ratings
are subject to the
limitations of the gauge glass (Page 42)
• Temperature Ratings are subject to the
limitations of the packing (Page 45).
Materials
(Body)
•
426: Iron, Neoprene Glass Packing
• 465: PVC, Viton®* Glass Packing
• 473: Brass
• 474: Carbon Steel
• 475: Aluminum
A
Special Note About Corrosion
• Excessive corrosion may
result in leakage, glass
breakage, and premature valve failure.
• Be sure all wetted components of the g auge are
constructed with materials compatible with the
service medium. John C. Ernst Co. does not
make chemical compatibility recommendations.
• See the "Compass Corrosion Guide"
or
equivalent for material compatibility
| Model |
Size
NPT |
Glass
OD |
Glass
Length from Centers |
Rod
Length
from Centers |
| 426-04 |
1/2" |
5/8" |
-
2" |
-
1" |
| 426-05 |
3/4" |
3/4" |
-
2" |
-
1" |
| 465-04 |
1/2" |
3/4" |
-
2" |
-
1" |
| 465-05 |
3/4" |
3/4" |
-
2" |
-
1" |
| 465-06 |
1" |
3/4" |
-
2" |
-
1" |
| Model |
Maximum
Liquid Pressure @ Temp
PSIG
/ °F |
Steam
Service PSIG |
Auto
Ball Checks |
| 426-04 |
185/100°F
to 160/425°F |
165 |
Yes |
| 426-05 |
490/100°F
to 415/425°F |
415 |
Yes |
| 465 |
120/75°F
to 75/100°F |
N/A |
Opt |
The
Models 473, 474, 475 all come in sizes from 1/4" NPT to 3/4"
NPT. They also come in a Flush Mount design with a 1/2-20NF
straight thread with nuts.
For Glass see Page 42.
For Shielded Gauges see Page
34. |
