描述
节点总线的传送介质一般为同轴电缆,有的采用令牌信号传送方式,有的采用带冲突检测的确良多路送取争用总线信号传送方式。不论采用哪种方式,当总线的干线任一处中断时,都会导致该总线上所有站及其子设备通讯故障。
2″PARKER BRUNING HI PRESSURE INLINE CHECK VALVE DC20005
PARKER HIGH PRESSURE HOSE
Parker PRM3 PP17K Pressure Reducing Valve 150-2500 PSI
A810E Parker FLOCON 1-3/8″ Outlet Pressure Regulator
One-day shipping available
PARKER/SCHRADER BELLOWS PRESSURE REGULATOR 035662000B
2683 NEW Parker 201673 Pressure Regulator
PARKER HYDRAULIC PRESSURE REDUCING VALVE V-21 FT
New Parker CPOM2AAV55X Pilot-Oper. Pressure Check Valve
Expedited shipping available
NIB PARKER BVHP16SSS1NA HIGH PRESSURE BALL VALVE
Expedited shipping available