瑞士+GF+SK浮子流量计材质:接头:U-PVC/PVDF杆:Trogamid-T/Polysulphone浮子:PVDF密封:EPDM型号:流量:(公升/小时@20°)尺寸mmSK1050-500D32DN25SK11100-1000D32DN25SK20300-3000D50DN40SK21600-6000D50DN40SK301000-10000D63DN50SK311500-15000D63DN50SK402000-20000D75DN65SK413000-30000D75DN65)