Underground Fire Hydrant Squat Type
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.
Features
- 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) |
2 | Body Bonnet Seal | NBR rubber |
3 | Fasteners | Stainless steel A2 |
4 | Stopper Assem. | Ductile iron GJS-500-7 (GGG-50) |
5 | Bonnet | Ductile iron GJS-500-7 (GGG-50) |
6 | Thrust Collar | Brass, DZR CW602N |
7 | Gland Flange Assem. | Ductile iron GJS-500-7 (GGG-50) |
8 | Stem Cap | Ductile iron GJS-500-7 (GGG-50) |
9 | Stem | Stainless steel 1.4021 |
10 |
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 |