siemens西门子 VVI47.40-25 VVI47.50-40 VVP45.15-2.5 二通调节阀

· Bronze valve body CC491K (Rg5)
· DN 15…50
· kvs 2.5…40 m3/h
· Internally threaded connections Rp.. as to ISO 7-1
· Can be equipped with SBX…- electromotoric