Barry-Sibul - Model HPU-DX - Hydraulic Power Unit-Diagnostics Modification with Duplex Filters
The existing Hydraulic Power Unit (HPU) was designed and manufactured up to 40 years ago. Since that time significant technological advances have been made regarding diagnostic instrumentation. With the current design, you are only able to monitor pump discharge pressure and system pressure.
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Products Details:
The Barry Sibul Company HPU-DX upgrade package retains the existing pumps and motors (flooded suction) but replaces all of the rest of the components located between the pump discharge and the hydraulic distribution header including:
- The pump discharge filters and their differential pressure alarms
- The relief valve
- The check valves
- Pressure gauges
- Reservoir Heater (if supplied)
All of these components are replaced with start-of-the-art components integrated into two (2) custom built manifolds thereby reducing the probability of fluid leakage. Integrated into the HPU-DX manifolds are true duplex filter with dual discharge isolation.
Each manifold (one for each pump) consists of the following integrated components
- Pump discharge relief valve
- Duplex three micron, beta 200, stainless steel mesh pump discharge filters with inlet selector valve, dual isolation on the outlet of each
- filter with optional dual inlet isolation.
- Pump Discharge check valve
- Pump Discharge air bleed valve
- Pump Discharge ball type isolation valve with locking kit down stream of HPU-DX Manifold
- Pump Discharge flow indication
- Pump Casing Drain flow indication
- Pump Running Pressure indication
- Pump Running Pressure Gauges both before and after discharge filters
- Fluid Condition Monitoring Transducers (particulate and moisture)
In addition to the above manifolds, the HPU-DX upgrade package offers an optional reservoir heater package consisting of four (4) 500-watt Pad Type heaters that replace the existing reservoir emersion heater (if supplied). The new heaters are controlled by an independent thermostat control that is mounted on the door of the HMI Enclosure.
The Barry Sibul Company supplied HMI Enclosure includes an Allen Bradley PLC with a 10” color, touch sensitive HMI. The variables being monitored on the HMI display are:
- Pump Discharge Flows
- Pump Casing Drain Flows
- Pump Discharge Pressure
- Active Pump Discharge Filter Differential Pressure
- Temperature
- Real Time Fluid Condition (particulates and moisture content)
The new manifolds are connected to the existing fittings on the pumps and the Hydraulic Power Unit. No new lines need to be added.
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