Under Ground Hydrant are valves of screw down type. The underground fire hydrants are manufactured to comply to bs 750:2012 and en 14339:2005 standards with screwed outlet threaded to bs 336:2010 standard. Under Ground Hydrant is a bsi kitemark certified and material of spindle and threaded part of valves which engages with it is made of stainless steel to bs 10088-1. Material for the screwed outlet is made of high tensile brass to bs 12163:2011. Spindle sealings (two seals) is of the toroidal sealing ring ('0' ring) type and are capable of changing while the valve is under pressure and fully closed. A wiper ring is positioned above the spindle sealing’s to prevent the ingress of foreign matter. Each hydrant shot is blasted (inside and outside) to sa 2 1/2 std. All cast iron parts are thoroughly cleaned and painted. Valve Type: Screw down (type 2C)
Nominal Size & Flange Drilling Flange-X : PN16, DN80, BS EN 1092-2
Nominal Size & Flange Drilling Flange-Y : PN16, DN80, BS EN 1092-2
Nominal Size & Flange Drilling Flange-Z : PN16, DN80, BS EN 1092-3
Test Pressure (Seat): 20 Bar.
Flange Drilling: BS 4504 Part : 2 : 1974 Table : 16/21.
Manufacturer: | National Fire Fighting Manufacturing Company |
Model: | NHYD058 |
Body Material | Ductile Iron |
Test Pressure (PSI) | 25 |
Working Pressure (bar) | 16 |