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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

Matrix LLC™ – Liquid Level Control
matrix llc evapco rvs
  • Reads 4-20 mA signal from level probe and provide visual readout in digital and color bar graph form on panel
  • Adjustable high and low level alarms and cut outs
  • Two 4-20mA analog outputs for control of proportional feed valves
  • Built in transformer for 24 VAC or 24 VDC power to motorized valve
  • Door mounted (7) button keypad – no need to open enclosure to change settings
  • Easy-to-read 16 character alphanumeric display with LED dual color bar graph
  • Communication via industry standard protocol MODBUS-RTU over RS-485
  • Capable of remote monitoring and control of system parameters
  • UL/cUL listed NEMA 4 steel enclosure
  • Factory mounted and wired requiring only a single power connection in the field
Standard Vessel Design
  • ASME, 250 psig, with dual vapor relief assembly
  • National Board registration
  • Stainless steel nameplate bracket and standoff to prevent corrosion
  • Horizontal vessel configuration, internally arranged for split flow, in 24” to 60” outside diameter range and vessel lengths of 96” to 144”
  • Internally routed oil pot vent and heat exchanger relief line (if required) piping reduces insulation cost and potential for shipping damage
Semi-Welded Plate Heat Exchanger
  • Sondex, Alfa Laval, Kelvion manufactured semi-welded plate heat exchanger
  • Heat exchanger supplied by RVS or may be supplied by customer
  • Maximum efficiency with low refrigerant charge
Oil Pot
  • ASME, 400 psig, with single, replaceable, cartridge style vapor relief assembly set at 150 psig
  • Relief discharge piped internal to the main vessel
  • Optional dual relief assembly and/or relief to atmosphere
Liquid Level Column
  • Level indicating column with valves, level eyes, frost shields, and oil drain
  • Cable type, electronic level probe as standard
  • High level shutdown float switch for compressor protection
  • Vessel hydrostatically or pneumatically pressure tested
  • Factory package piping welded and tested in accordance with ASME B31.5
  • Surface prepped to SSPC-SP6 and painted with high quality two component, high solids epoxy coating
  • Entire assembly is evacuated to eliminate moisture and shipped with 15 psi dry nitrogen charge
Proportional Liquid Feed Assembly
  • Modulating valve minimizes pressure surges and protects pumps from cavitation
  • Backup solenoid valve provides positive shutoff in the event of a power failure
  • Can configured as a single or dual liquid feed assembly
Additional Features
  • 300, 350 and 400 psig vessel design rating
  • Corrosion allowance on vessel shell and heads, and/or nozzles
  • Post Weld Heat Treatment (PWHT)
  • SA333 Grade 6 Low temperature pipe
  • 1.5 kw Oil pot heater
  • Radiography of pipe welds
  • Seismic design calculations
  • Conventional on/off solenoid and hand expansion liquid feed assembly (single or dual)
Document Categories
Name File Size Type Language
Global Product Catalog 54.28 Mo Catalog Anglais
Aftermarket Parts & Services 3.79 Mo Catalog Anglais
Industrial Refrigeration Supplier Brochure 12.86 Mo Catalog Anglais
Natural Leader Brochure 6.53 Mo Catalog Anglais
Matrix LLC Brochure 776.07 Ko Catalog Anglais
MPC Plate Chiller Package 1.99 Mo Catalog Anglais
RVS Pressure Vessels Design Specifications 185.03 Ko Specification Sheet Anglais
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