150mm水平螺翼式水表水表執(zhí)行標準:GB/T778-2007用途:本水表專用于計量流經(jīng)自來水管道的水體積總量主要技術參數(shù)1、公稱壓力范圍:0.03MPa-1MPa2、工作溫度范圍:被計量的水的溫度不低于0.1℃:冷水水表不高于30℃,熱水水表不高于90℃3、計量特性:在水溫0.1℃--30℃范圍內(nèi),水表的最大允許誤差在高區(qū)(Q2≤Q≤Q4)為±2%,低區(qū)(Q1≤Q<Q2)為±5%,水溫超過30℃時,水表在高區(qū)的最大允許誤差為±3%,低區(qū)仍為±5%公稱口徑DN長度mm寬 度mm高 度mm最大流量Q4常用流量Q3分界流量Q2最小流量Q1)連接螺紋接管螺母1516596104/100※3.1252.50.050.031R1/2G3/42019596106/113※540.080.05R3/4G1252251001157.8756.30.1260.079R1G11/43223011011512.5100.20.125R11/4G11/24024512415520160.320.20R11/2G25028016017531.25250.800.50法蘭連接按GB4216.48037028225550401.280.810037028627578.75632.0161.261505004063682001605.123.2