BS standard EN 1561 Underground Fire Hydrant

Product Description The valve is made of gray iron which meets the BS EN 1561 standard. The main axle and the screw thread is made of stainless steel BS 10088-1. The outlet of the screw thread is made of high strength brass which meets the standard BS 12163:1998. The seal of two positions of the main axle adopts ring sealing(o ring) which can work normally no matter the valve is in a state of pressure or completely off. The wiper ring is above the main axle sealing parts so that it can prevent foreign objects from entering fire hydrants, causing blockages and corrosion. All the cast iron parts are completely cleaned and paint