目前國(guo)內(nei)支(zhi)架(jia)液(ye)(ye)(ye)(ye)(ye)產品(pin)執(zhi)行(xing)的(de)是*新煤炭行(xing)業MT76-2011標準《液(ye)(ye)(ye)(ye)(ye)壓(ya)(ya)(ya)支(zhi)架(jia)用(yong)(yong)乳(ru)化(hua)油、濃縮液(ye)(ye)(ye)(ye)(ye)及其高(gao)(gao)含水液(ye)(ye)(ye)(ye)(ye)壓(ya)(ya)(ya)液(ye)(ye)(ye)(ye)(ye)》,適用(yong)(yong)于(yu)液(ye)(ye)(ye)(ye)(ye)壓(ya)(ya)(ya)支(zhi)架(jia)、外注式單注液(ye)(ye)(ye)(ye)(ye)壓(ya)(ya)(ya)支(zhi)柱等(deng)(deng)(deng)用(yong)(yong)高(gao)(gao)含水液(ye)(ye)(ye)(ye)(ye)壓(ya)(ya)(ya)液(ye)(ye)(ye)(ye)(ye)及配制該液(ye)(ye)(ye)(ye)(ye)壓(ya)(ya)(ya)液(ye)(ye)(ye)(ye)(ye)的(de)乳(ru)化(hua)油和(he)濃縮液(ye)(ye)(ye)(ye)(ye),按(an)(an)高(gao)(gao)含水液(ye)(ye)(ye)(ye)(ye)壓(ya)(ya)(ya)液(ye)(ye)(ye)(ye)(ye)的(de)類型分為(wei)兩大類:乳(ru)化(hua)型和(he)濃縮液(ye)(ye)(ye)(ye)(ye),每類產品(pin)按(an)(an)使(shi)用(yong)(yong)時所適用(yong)(yong)水質(zhi)的(de)*高(gao)(gao)硬度劃分成(cheng)8個等(deng)(deng)(deng)級,其等(deng)(deng)(deng)級代號分別為(wei)5,10,15,20,25,30,35,40等(deng)(deng)(deng),各等(deng)(deng)(deng)級對應(ying)的(de)*高(gao)(gao)硬度分別為(wei)250μg/g、500μg/g、750μg/g、1000μg/g、1250μg/g,1500μg/g,1750μg/g,2000μg/g等(deng)(deng)(deng)。
產品(pin)型號按(an)(an)GB/T7631.2規(gui)定,排列(lie)為(wei)HFA×××-×,其中:H表(biao)示(shi)液(ye)(ye)(ye)(ye)(ye)壓(ya)(ya)(ya)液(ye)(ye)(ye)(ye)(ye)