Evapco Inc.
Evapco - Model MPS -Semi-Welded Plate Chiller Package
FromEvapco Inc.
The MPC Semi-Welded Plate Chiller Package incorporates semi-welded plate heat exchanger technology with split-flow surge drum design and state of the art level controls into a complete package which reduces installation time and cost compared to field fabricated units. The unit comes complete with oil management system and proportional liquid feed assembly requiring only two refrigerant connections in the field.
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- Factory packaged and wired for easy installation
- High heat transfer rate and low refrigerant charge
- Low profile allows one piece package shipment
- Chilled water and glycol solutions for use in process cooling and air conditoning
- NH3/CO2 Cascade Condenser
- NH3 Sub-cooler
- Reads 4-20mA signal from level probe and provides visual readout in digital and color bar graph form on panel.
- Adjustable high and low level alarms and cut outs.
- Door-mounted (7) button keypad. No need to open enclosure to change settings.
- Communications via industry standard protocol MODBUS-RTU over RS-485.
- Factory mounted and wired requiring only a single power connection in the field.
Liquid Level Column
- Level indicating column with RVS electronic level probe
- High level shutdown float switch for compressor protection
Proportional Liquid Feed Assembly
- Modulating valve minimizes vessel pressure surges and liquid line hammer
- Backup solenoid valve or UPS (uninterrupted power supply) provides positive shutoff in the event of a power failure
Plate & Shell Heat Exchanger
- High efficiency with low refrigerant charge
- Elimination of gaskets means
- No gasket leaks
- No expensive gasket maintenance
- No elastomer incompatibility problems with process fluid
- No gasket limitation of pressure or temperature
ASME 250 psig Horizontal Surge Drum with Dual Relief Assembly
- Split-flow design to reduce overall size
- Stainless steel nameplate bracket and standoff to prevent corrosion
Options
- Multiple heat exchangers may be incorporated into a single package for higher process fluid flow rates and capacity
- Package may be designed with connections and space for additional heat exchanger to handle future expansion
- Conventional on/off solenoid and hand expansion valve liquid feed assemblies (single or dual)
- Temperature controlled suction pressure regulator
- Seismic design
- Post weld heat treatment
