VVF53.25西门子原装蒸汽阀

西门子两通蒸汽阀VVF53系列阀门，PN25

VVF53.250K大口径DN250

VVF53.200K大口径DN200

VVF53.250-630K

VVF53.200-450K

VVF53.150-360K

VVF53.40-25K

VVF53.50-40K

VVF53.65-63K

VVF53.80-100K

VVF53.100-160K