Fire gates mine in the review continues, property prices increased in control! Disappeared in the haze of blue sky, white clouds are replaced by the clouds! Castle in the felling of the bald, black river pollution in! We can not suppress the rise in house prices, we can not control the air haze, we expel clouds obscured the blue sky, we do not piece lies to everyone, we can do it is to reduce accidents in mines, coal mine machine production we St. important local fire gates is used in the mine substation, fire gates can prevent the spread of flame spread in the underground water when fire, for the majority of the miners the opportunity to fight for survival. Mine fire gates national standard dimensions:? 1 ???????? MFHSL1.4 * 1.8 ??? Figure Number:? B85-373.29 ??? ??????????? ? ???????? 2 ???????? MFHSL1.6 * 1.8 ??? Figure Number:? B85-373.30 ????? ??????????? ? ???????? 3 ???????? MFHSL1.8 * 2.0 ????? Figure Number:? B85-373.31 ??? ??????????? ? ???????? 4 ???????? MFHSL2.1 * 2.0 ???? Figure Number:? B85-373.32 ????? mine fire door to door 1.4 * 1.8 clear width clear height, you can set the specifications you want to fire gates of the actual size, we are able to produce processed according to your requirements. St. Coal Mining Machine Co., Ltd. is China Coal Machinery Industry Association designated manufacturer, I produced a variety of mine gate, one of the most commonly used are waterproof airtight doors, fire gates, no pressure damper, water gates, air shaft blast doors , impact Bomi closed valve, refuge chamber doors.