North American Manufacturers (M-O) of Dry Barrel Hydrants

(Revised 23Jul00)

Catalog Model / Cast Model / Vintage & Additional Detail Barrel Detail Size Nozzle Configuration & Photo Number
M. Greenberg and Sons - San Francisco, CA
· both wet and dry barrel models made by the same company
65 / 65 / bulbous barrel at nozzle level, 6 cast gussets between barrel & flange, 1943-55 noted Dry: 2 pc. w/6 bolt joint, smooth ? (6 bolts under bonnet) 0127; 0552
67 / 67 / bulbous barrel at nozzle level, 6 cast gussets between barrel & flange, 1951 noted Dry: 2 pc. w/6 bolt joint, smooth ? (6 bolts under bonnet) 0591
McAvity - St. John, NB (see also Clow Canada and Canadian Ludlow)
· this company is listed on the manufacturer picture pages as T. McAvity but is listed here as McAvity as found cast onto the hydrant barrels
???? / No. 2 / Var. 1 - collar around operating nut, short bonnet, 1950's Dry: 2 pc. w/6 bolt joint, smooth ? (6 bolts under bonnet) 0360
???? / No. 2 / Var. 2 - no collar around operating nut, short bonnet, 1961 noted Dry: 2 pc. w/6 bolt joint, smooth ? (6 bolts under bonnet) 0464
???? / M59 / shallow bonnet Dry: 2 pc.?, smooth 5 1/4" (8 bolts under bonnet) 0479
???? / M-67 / modern appearance Dry: 2 pc. w/8 bolt joint, smooth ? 0212
???? / (none) / Type 1 - look alike of 8 sided Ludlow List 90, says "Canadian Ludlow Valve Mfg. Co. Ltd." on bonnet and "McAvity" vertically on barrel Dry: 2 pc. w/8 bolt joint, smooth ? (8 bolts under bonnet) 0548 0549 (top)
Mellert - Reading, PA
???? / ???? / "Pat'd June 10, 1890" appears on bonnet Dry: ? pc., vert. fluted ? (6 bolts under bonnet) 0443 0442 (top)
Michigan B & I Iron Works - Detroit, MI
???? / ???? / fluted 2 tier bonnet Dry: 1 pc. w/O.D. rib, smooth ? (4 bolts under bonnet) 0448
Michigan Valve and Foundry - Detroit, MI
Model O / ???? / shield shape cast below pumper nozzle, 1930s Dry: 1 pc. w/O.D. rib, vert. fluted ? (6 bolts under bonnet) 0154
???? / ???? / NYC Spec Series S, mfr. name and location on bonnet, 1930 noted Dry: 1 pc. w/O.D. rib, vert. fluted ? (10? bolts under bonnet) 0371
MH Valve & Fitting Co. - Anniston, AL (see also Dresser Industries)
129 / (none) / Type 1a - short upper barrel, 1960-63 noted Dry: 2 pc. w/8 bolt joint, smooth ? (8 bolts under bonnet) 0037; 0205
    5 1/4" (8 bolts under bonnet) 0346
129 / (none) / Type 1b - full height upper barrel, 1960 noted Dry: 2 pc. w/8 bolt joint, smooth ? (8 bolts under bonnet) 0032
929 / ???? / gussets between barrel and flange Dry: 2 pc. w/6 bolt joint, smooth ? (6 bolts under bonnet) 0033
???? / ???? / Type 2 - NYC spec, modern appearance Dry: 2 pc. w/8 bolt joint, smooth ? 0034
Morris, Tasker & Co. - Philadelphia, PA
???? / ???? / flip-lid style, brass nameplate riveted on near top of barrel, mid-1800s Dry: 1 pc. w/no O.D. rib, smooth ? 0318
Mueller Co. - Albertville, AL (see also Columbian Iron Works)
· hydrants made prior to 1975 were made in Chattanooga, TN
· 4 models can be easily confused with each other: Standard (Type 1), Improved, 107, and Super Centurion. They all have 8 broad vertical flutes cast into the bonnet and into a short section of the barrel between a "false" O.D. rib and the barrel joint flange. All 4 models except Standard have an upper barrel flange with an overhanging skirt that covers the lower barrel flange; the bonnet similarly overhangs the upper barrel. Differences to look for to distinguish between models include relative height of bonnet and presence/shape of collar around operating nut.
· both wet and dry barrel models made by the same company
???? / ???? / 'Chattanooga style', smooth bonnet cast integral with barrel, 1956 noted Dry: 2 pc. w/8 bolt joint, smooth 5 1/4" 0130; 0311
Standard / ???? / Type 1 - fluted bonnet, no collar around operating nut, conventional barrel joint flange, 1956-66 noted Dry: 2 pc. w/4 bolt joint, smooth 1 1/2" (4 bolts under bonnet) 0131
  Dry: 2 pc. w/8 bolt joint, smooth 4 1/2" (6 bolts under bonnet) 0296
    6 1/4" (6 bolts under bonnet) 0410
Standard / ???? / Type 2 - smooth bonnet, no collar around operating nut, conventional barrel joint flange Dry: 2 pc. w/8 bolt joint, smooth 5 1/4" (6 bolts under bonnet) 0124
Improved / (none) / 4 different generations, has squared-off collar around operating nut, bonnet taller than Model 107, made 1934-82
· 1934-47: bonnet same as 1948-54 w/no filler plug, only 4 of 8 bolts seen on top of bonnet from 1934-61, nozzle chains attach to screw-in eyebolt
· 1948-54: nozzle chains attach to barrel casting below each nozzle from 1948-82
· 1955-61: oil filler plug is vertical
· 1962-82: oil filler plug set at an angle, all 8 bolts seen on top of bonnet
Dry: 2 pc. w/8 bolt joint, smooth ? (8 bolts under bonnet) 0123
    4 1/4" (8 bolts under bonnet) 0347; 0405, 0408
    5 1/4" (8 bolts under bonnet) 0157
107 / 107 (on bonnet) / large tapered collar around operating nut, bonnet more rounded than Improved model, 1974-84 noted Dry: 2 pc. w/8 bolt joint, smooth 4" (8 bolts under bonnet) 0348
    6" (8 bolts under bonnet) 0128
Centurion / ???? / rounded bonnet like Model 107 but no collar around operating nut Dry: 2 pc. w/8 bolt joint, smooth ? (8 bolts under bonnet) 0403; 0409
Super Centurion 250 / ???? / rounded bonnet like Model 107 but no skirt around operating nut, 1995-99 noted Dry: 2 pc. w/8 bolt joint, smooth 5 1/4" (8 bolts under bonnet) 0150; 0086
Modern Improved / ???? / modern appearance, square barrel flange, 1972 noted Dry: 2 pc. w/4 bolt joint, smooth 5 1/4" 0129
Modern Centurion / ???? / modern appearance, 1970-81 noted Dry: 2 pc. w/8 bolt joint, smooth 5 1/4" 0125
Chicago Spec / ???? / bonnet integral with nozzle section Dry: 2 pc. w/8 bolt joint, smooth ? 0407
National Construction Co. - South Bend, IN
???? / ???? / ornate design on pot-belly, ~1910 Dry: 1 pc. w/O.D. rib, vert. fluted ? (4 bolts under bonnet) 0314
Norwood Engineering Co. - Florence, MA (see also Holyoke Iron Works)
???? / The Holyoke (on bonnet) / Var. 1 - humped bonnet integral w/upper barrel, ~1900 Dry: 1 pc. w/O.D. rib, smooth ? 0095
???? / The Holyoke (on bonnet) / Var. 2 - flat bonnet integral w/upper barrel, ~1900 Dry: 1 pc. w/O.D. rib, smooth ? 0052
Olympic Foundry Co. - Seattle, WA
???? / ???? / large high pressure hydrant Dry: 1 pc. w/O.D. rib, smooth large! 0362
Oregon Foundry - ????, OR
???? / The Phoenix (on bonnet) / round bonnet and oblong upper portion of upper barrel Dry: 1 pc. w/O.D. rib, smooth ? 0352
???? / ???? / Type 1 - oblong bonnet and upper portion of upper barrel Dry: 1 pc. w/O.D. rib, smooth ? 0356


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