西门子专业温控阀

西门子温度压力调节阀

VVI47西门子电动阀

VVI47.50-40二通座阀，内螺纹，PN16

VVI47.40-25二通座阀，内螺纹，PN16

VVI47.32-16二通座阀，内螺纹，PN16

VVI47.25-10二通座阀，内螺纹，PN16

VVI47.20-6.3二通座阀，内螺纹，PN16

VVI47.15-4二通座阀，内螺纹，PN16

VVI47.15-2.5二通座阀，内螺纹，PN16

VVI47.15 VVI47.20VVI47... 二通座阀，内螺纹，PN16