西门子阀门适用于区域供热系统、暖通空调系统法兰连接二通阀,西门子阀门耐压等级PN16 阀体:球墨铸铁GGG-40 阀座、阀塞、阀杆:不锈钢 公称直径:DN50 …150 mm 温度:-25-
VVF31.40,VVF31.50,VVF31.65,VVF31.80,VVF31.90,VVF31.91,VVF31.92
VVF41.50,VVF41.65,VVF41.80,VVF41.90,VVF41.91,VVF41.92
VVF45.50,VVF45.65,VVF45.80,VVF45.90,VVF45.91,VVF45.92
VVF52.25,VVF52.40
VVF41.50(4),VVF41.65(4),VVF41.80(4),VVF41.90(4),VVF41.91(4),VVF41.92(4)
VVF45.50(4),VVF45.65(4),VVF45.80(4),VVF45.90(4),VVF45.91(4),VVF45.92(4)
VVF40.15,VVF40.25,VVF40.40,VVF40.50,VVF40.65,VVF40.80,VVF40.100,VVF40.125,VVF40.150