Eliminate operator error with Watch Dog.
Our Watch Dog Automatic Cryogenic Pump Protection System keeps an eye on your pump helping you avoid costly pump failure and down time.
Features & Benefits
- PLC Based System allows for custom operating parameters for local conditions
- Remote operator pendant controls pump operations and displays signal failure alarms
- Cools down pump prior to start
- Turns off liquid supply to pump after pre-set period of inactivity to reduce product loss and improve pump seal life
- Continuously monitors pump discharge temperature (Cavitation) and shuts down pump at any time during the fill process to protect the pump from damage
- High pressure shut down switch shuts pump down in the event of excess pressure
- Supplied with an automatic liquid supply valve and vapor return valve for oxygen systems to comply with current regulations
- Universal components
- Pays for itself by avoiding a single failure
- Quick delivery available
Available Options
- Liquid supply temperature monitor to detect loss of prime due to low liquid level in tank
- Shaft seal temperature monitor to shut down pump and prevent drive end damage
- Vaporizer temperature monitor to prevent cold gas from being introduced into cylinders
- Soft start: reduces torque on pump drive end and extends belt life
- Unloader valve on pump discharge to reduce start up load on pump
- Operator pendants for multiple user applications may be added
