Underground Fire Hydrant Squat Type

Underground Fire Hydrant Squat Type

  • WRAS Approved.jpg
Temperature Range -10°C to +70°C
Maximum Working Pressure 16bar (232 psi)
Approvals Kitemarked to BS750, WRAS Approved
Standards Designed according to BS750:2012, Designed according to EN 1074 part 1 & 2, Designed according to EN 14339:2005

The Series 29/388 is a squat fire hydrant suitable for use with water and neutral liquids, to a maximum temperature of 70°C. Complies with requirements of BS 750 and BS EN1074-2:2000 and EN 14339:2005, underground hydrants. Also to BS EN 1074-6 for potable (drinking) water.


  • Inlet flange universally drilled to EN1092-2 PN10/16 and BS10 Table D/E.
  • BS 750 Type 2c. Screwed-down type with screwed 2½” round thread outlet.
  • Complies with Annex ZA of BS EN 14339 in respect of Construction Products Directive (CPR)(EU) 305/2011.
  • Temperature Range: -10°C to +70°C, Insulation essential for temperatures of 0°C and below.
  • Fully maintainable.
  • Low weight design.
  • 2½” London round thread outlet to BS 750.
  • Exceeds flow requirements: Kv = 92 minimum 2000l/min @1.7 bar. Actual: Kv = 96, 2092 l/min @1.7 bar.
  • Auto-frost drain valve as standard
  • Fixed stopper.
  • Corrosion resistant construction, ductile iron coated with WRAS approved epoxy coating Blue RAL 5017, to 250 microns min. Holiday free in accordance with WIS 04-52-01, compliant with BS EN 1074-6 for disinfection products.
  • Note: It is recommended that applications in a corrosive atmosphere or sited in exposed locations use a stainless steel stem 1.4404 (316) and all exposed fasteners in A4 stainless steel.

Material Specification

Part No. Description Materials 
1 Body Ductile iron GJS-500-7 (GGG-50)
Body Bonnet Seal NBR rubber
Fasteners Stainless steel A2
Stopper Assem. Ductile iron GJS-500-7 (GGG-50)
Bonnet Ductile iron GJS-500-7 (GGG-50)
Thrust Collar Brass, DZR CW602N
Gland Flange Assem. Ductile iron GJS-500-7 (GGG-50)
Stem Cap Ductile iron GJS-500-7 (GGG-50)
Stem Stainless steel 1.4021


Gland Flange Seal  NBR rubber
11  Dust Cap PE
12  Outlet Stainless steel 1.4021
13  Body Outlet Seal NBR rubber
14  Auto Frost Valve Nylon 6.6, Body and plunger with NBR
WRAS approved O-rings and stainless
steel spring to DIN17224