VVI41西门子两通调节阀VVI41，内螺纹连接，PN16

VVI41.40/SAX61.03西门子电动调节阀DN40

VVI41.40西门子两通阀 工业电器

VVI41.32-16/VVI41.40-25/VVI41.50-40西门子两通阀

VVI41.20-6.3/VVI41.25-10西门子调节阀

VVI41.15-2.5/VVI41.15-4西门子电动阀

VVI41..两通阀；VXI41..三通阀-西门子温控阀

西门子VVI41/VXI41系列二通阀西门子VVI41/VXI41系列二通阀/三通阀