American-Darling® and Waterous Pacer® Hydrants with ALPHA Bases

5-1/4" Pacer Sample Specification




  1. Fire Hydrants shall meet or exceed ANSI/AWWA C502, latest revision for use in water supply systems.
  2. Rated working pressure shall be 250 psig, test pressure shall be 500 psig.
  3. Hydrants shall be dry-barrel construction closing with and opening against the inlet pressure.
  4. Hydrant main valve closure shall be of the compression type.
  5. The nozzle section, upper and lower stand pipes and hydrant base shall be ductile iron.
  6. The nozzle section shall be capable of rotation and employ the use of four (4) bolts and a stainless steel flange lock ring. Turning the nozzle section to the desired position shall be accomplished without damage to the barrel gaskets.
  7. The hydrant shall have a travel stop nut in the top of the hydrant to limit the travel of the hydrant rod. Hydrant designs that allow the valve bottom to stop against the shoe or employ a stop in the drain mechanism resulting in a bending moment in the rod assembly are not allowed.
  8. Hydrant to be Certified to NSF/ANSI/CAN 61 and NSF/ANSI/CAN 372.


  1. The main valve opening shall not be less than 5-1/4” and be designed so that removal of all working parts can be accomplished without excavating.
  2. The hydrant shall incorporate a draining system constructed of a bronze threaded into mating threads of bronze. 
  3. The draining system shall be bronze and be positively activated by the main operating rod. Hydrant to be furnished with a sliding bronze, or polymer drain plunger.


  1. Hydrant barrels shall be constructed of ductile iron and shall have (1) pumper nozzle and (2) hose nozzles.
  2. The operating nut, all nozzle threads and all nozzle cap nuts shall be in compliance with the standards established by the local authorities. 
  3. All pumper and hose nozzles shall be retained by a single-piece threaded ductile iron retaining collar. Threaded-in nozzles and nozzles using set screws or wedge pins are not allowed.


  1. External surfaces above grade shall be factory coated with an epoxy primer and a two-part polyurethane top coat. Base shall be coated with fusion-bonded-epoxy. 
  2. All bolting below grade shall be Type 304 stainless steel.


  1. Hydrant inlet shall be designed for use with ductile iron, cast iron, HDPE and PVC pipe materials. 
  2. Inlet shall incorporate stab-fit design requiring the use of only one Type 304 stainless steel fastener. The assembly of flange or mechanical joint restrainers using multiple fasteners or wedge bolts is not permitted. 
  3. Restraint accessories shall be factory installed. 
  4. All hydrant inlets shall be the ALPHA design furnished by AMERICAN Flow Control.


  1. Friction loss shall not exceed 4.0 psig at 1000 GPM through the hydrant 4-1/2 in. pumper nozzle.

Hydrants shall be the AMERICAN Flow Control Waterous Pacer with ALPHA base.