Improved
Improved
Mueller/Chattanooga, Tenn, year of manufacture and main valve opening size is cast on barrel between groundline flange and bonnet. Also manufactured in Brea, CA.
Features:
- 150 psig pressure rating
- Oil filler plug on side of bonnet.
- Safety flange protection.
- Hose and pumper nozzles are caulked.
- Stem coupling
- Originally called the Mueller® Columbian Improved when introduced.
- Approximately 15 1/2 turns to open.
|
Year of Manufacture |
Main Valve Opening Size |
Catalog Number |
Hydrant Styles |
|
|
new |
old |
|||
|
1934 - 1980 |
4-1/4” |
A-416 |
A-24009 |
3-way |
|
4-1/4” |
A-416 |
A-24010 |
2-way |
|
|
4-1/2” |
A-416 |
A-24012 |
3-way |
|
|
4-1/2” |
A-416 |
A-24013 |
2-way |
|
|
5-1/4” |
A-416 |
A-24015 |
3-way |
|
|
5-1/4” |
A-416 |
A-24016 |
2-way |
|
|
5-1/4” |
A-416 |
A-24017 |
3-way |
|
|
6-1/4” |
A-416 |
A-24018 |
3-way |
|
|
6-1/4” |
A-416 |
A-24019 |
2-way |
|
|
Date |
Plug Location |
|
1934 - 1947 |
Hydrant has conventional packing and has no external oil filler plug on bonnet (4 bolt bonnet needs to be removed to rill oil reservoir). |
|
1948 - 1953 |
Bonnet has o-ring seals and no filler plug. O-rings are used in lieu of “conventional” packing. |
|
1954 |
External oil filler plug. (bonnet does not have to be removed). |
|
1962 |
Sealed reservoir bonnet. S.R. is cast on bonnet. |
|
1934 - 1971 |
Brass safety stem coupling |
|
1972 - 1980 |
Steel safety stem coupling |
|
1934 - 1971 |
Threaded |
|
1972 - 1980 |
Drilled |