描述
连在DCS通讯网络上的部件称为结点。在地理位置上,结点可以分散配置,各结点之间的距离各DCS系统不同。有的可达几百米。传输速率在几百K至一百兆之间。10兆是常用的速率。DCS网络的总长度可达几公里,最短也有几百米,网络不够长时要加中继器。
2BE1253 SIEMENS VACUUM PUMP C/S 125 HP
2BE1253 SIEMENS VACUUM PUMP C/S 125 HP
TC5 NASH VACUUM PUMP, 25 HP
H7 NASH VACUUM PUMP, S/S
Used- Busch Single Stage Cobra Dry Screw Vacuum Pump, m
Used- Busch Single Stage Cobra Dry Screw Vacuum Pump, m
Roots Vacuum Blower – Model 1442 PGS-HVB
EBARA A10S Dry Vacuum Pump, Surplus New: 1yr warranty
Varian TV 551 MacroTorr Turbo Vacuum Pump Rebuilt
Varian Factory Rebuild with Six Month Warranty
One-day shipping available