描述
DCS从传统的仪表盘监控系统发展而来。因此，DCS从先天性来说较为侧重仪表的控制，比如我们使用的ABB Freelance2000 DCS系统甚至没有PID数量的限制（PID,比例微分积分算法，是调节阀、变频器闭环控制的标准算法，通常PID的数量决定了可以使用的调节阀数量）。
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
EBARA ET-2500WS Turbo Vacuum Pump, 2500 WS, Surplus New
One-day shipping available
Edwards iQDP40 Vacuum Dry Pump 1yr warranty
Used: Ingersoll-Dresser multistage ring vacuum pump, mo
Used: Sihi Vacuum pump, size 3×2, carbon steel, 6 stage
DUPLEX HORIZONTAL TANK MOUNTED VACUUM PUMP SYSTEM
Oerlikon Leybold E250 Vacuum Pump E-250 Rebuilt
