5-1/4” American-Darling® B-84-B-5 with Earthquake Joint System® Base


Fire hydrants shall meet or exceed ANSI/AWWA C502, latest revision. Rated working pressure shall be 250 psig, test pressure shall be 500 psig and hydrants shall include the following specific design criteria:

  • The main valve closure shall be of the compression type.
  • Traffic features to be designed for easy 360-degree rotation of nozzle section during field installation.
  • The main valve opening shall not be less than 5-1/4 in. and be designed so that removal can be accomplished without excavating. The hydrant valve shall be constructed of EPDM rubber and have a vertical taper of 20-degrees, or less.
  • The hydrant drain ring shall be securely bolted to the hydrant base. The bronze seat shall be threaded into a bronze drain ring. The draining system of the hydrant shall be bronze and positively activated by a square operating rod. Hydrant drains shall close completely after no more than three turns of the operating nut. There shall be a minimum of two internal ports and four outlets to the exterior of the hydrant. Drain shutoff to be by a spring actuated positive compression closure. Sliding drains are not permitted.
  • Hydrant barrels shall have one (1) pumper nozzle and two (2) hose nozzles. The barrel shall be made of ductile iron and nozzles shall be retained by collars. Threaded-in nozzels and nozzles using set screws are not allowed. Hydrant upper barrel shall be factory coated with an electrodeposition (E-coat) epoxy primer and catalyzed two-part polyurethane top coating.
  • Base shall be coated with fusion-bonded epoxy. All bolting below grade shall be Type 304 stainless steel.
  • Friction loss not to exceed 3.0 psig at 100 GPM through 4 1/2” pumper nozzle.
  • The B-84-B-5 hydrant is to be supplied with AMERICAN Earthquake Joint System® base. The base shall be a single casting and shall be installed integral to the fire hydrant. It shall be coated with fusion-bonded epoxy coating. The AMERICAN EQ Joint® base shall allow for a minimum of: 3-degrees of joint deflection, +/- 2.4-inches of longitudinal expansion or contraction and 100,000 lbs. of thrust restraint.
  • The fire hydrant shall be incorporated in a hydrant lead which includes an AMERICAN Flow Series 2500 resilient wedge gate valve with Flex-Ring® ends for isolation. Each end of the gate valve shall be capable of 5-degrees of deflection.
  • Fire hydrant lead shall also include an appropriately sized thrust block as suggested by the Ductile Iron Pipe Research Association (DIPRA). Thrust block to be furnished by the installation contractor.
  • Fire hydrants shall be 5-¼” American-Darling B-84-B-5 with an EQ Joint base, by AMERICAN Flow Control, no equal.