Ludlow Valve Mfg. Co. - Troy, NY List 80 & High Pressure |
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The List 80 model, with a balanced main valve, is not commonly found compared to its highly
successful predecessor, the List 75.
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Barrel I.D. | Valve Opening | Barrel O.D.** | Bonnet O.D. |
---|---|---|---|
4 3/4" |
4" |
6 1/2" |
8 7/8" |
5 1/2" |
5" |
* 7 1/4" |
* 9 5/8" |
6 1/2" |
6 1/4" |
* 8 1/4" |
* 10 5/8" |
* estimated sizes |
** measured just below ground line O.D. rib |
The photos below show two variations in barrel design: |
1101 Nozzles: 1x 2½", 1x 4" Size: 4¾" Barrel I.D. Barrel: 1 pc. Logo: none Patent date: yes Note: smooth barrel Location: John A. collection Photo: © 2002, J. Anderson |
1053 Nozzles: 2x 2½" Size: 4¾" Barrel I.D. Barrel: 1 pc. Logo: 3½" on sides Patent date: yes Location: Jeff K. collection Photo: © 2004, J. Kaminski |
2149 Nozzles: 2x 2½" Size: 4¾" Barrel I.D. Barrel: 1 pc. Logo: 4¼" on side Patent date: yes Location: Jeff K. collection Photo: © 2004, J. Kaminski |
0111 Nozzles: 2x 2½", 1x 3" Size: ~5½" Barrel I.D. Barrel: 1 pc. Logo: 4¼" front Patent date: yes Location: Salt Lake City, UT Photo: © 2002, Chihiro Nishihara |
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0718 Nozzles: 2x 2½" Size: 4¾" Barrel I.D. Barrel: ? pc. Location: Massachusetts Photo: © 2001, J. Kaminski |
1054 Nozzles: 4x 2½" externally gated, 1x 4" Size: 6½" Barrel I.D. Barrel: 2 pc. Location: Massachusetts Photo: © 2001, J. Kaminski |
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The main valve design is of the balanced valve design like that of the List 80 model found
above. Ludlow literature dated 1921 lists these as simply "High Pressure Hydrants";
whereas 1940 literature lists these as "List 80 High Pressure Hydrants". They were made
with or without internally gated nozzles.
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1597 Nozzles: 2x 2½", 1x ~4" (not gated) Size: 6¼" barrel I.D. Logos: 4¼" above nozzles Location: Portland, OR Photo: © 2002, A. McMillan |
1598 Nozzles: 2x 2½", 1x ~4" (not gated) Size: 6¼" barrel I.D. Logos: 4¼" above nozzles Note: same as #1597 except for gusset above pumper nozzle Location: Portland, OR Photo: © 2002, A. McMillan |
1055 Nozzles: 4x 2½" Size: ~7¾" barrel I.D. Logos: 4¼" left side Location: Massachusetts Photo: © 2001, J. Kaminski |
1949 Nozzles: 4x 2½", 1x 4" Size: ~6¼" V.O. Source: 1921 & 1940 catalogs |
Patents | List 75 - Part 1 , 2 , 3 , 4 | List 80 & Hi-Pressure | List 90 |
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