西门子调节阀/西门子电动阀/西门子蝶阀
电动蝶阀 VKF46.40 VKF46.50 VKF46.65 VKF46.80 VKF46.100 VKF46.125 VKF46.150 VKF46.200 VKF46.250 VKF46.300 VKF46.350 VKF46.400 VKF46...碟阀，法兰连接，PN16，DN40-DN400，温度 -15...+120℃
电动蝶阀 VKF46.40 VKF46.50 VKF46.65 VKF46.80 VKF46.100 VKF46.125 VKF46.150 VKF46.200 VKF46.250 VKF46.300 VKF46.350 VKF46.400 VKF46...碟阀，法兰连接，PN16，DN40-DN400，温度 -15...+120℃
电动蝶阀 VKF46.40 VKF46.50 VKF46.65 VKF46.80 VKF46.100 VKF46.125 VKF46.150 VKF46.200 VKF46.250 VKF46.300 VKF46.350 VKF46.400 VKF46...碟阀，法兰连接，PN16，DN40-DN400，温度 -15...+120℃