Rainbow H2O
Ultrapure Lab Water Systems
Overview of Ultrapure Lab Water Systems
Marlo’s Pre-Engineered Laboratory Water Systems are designed to serve as the centralized, purified water source for a variety of academic, medical, and other research laboratory facilities. Designed to meet or exceed the Type II reagentgrade water platform set forth by CAP/NCCLS and ASTM standards. Standard systems are furnished with all the treatment equipment fully pre-piped, pre-wired, and factory-tested on a common skid package to minimize field installation and start-up costs. The standard system includes the following equipment:
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Power Generation
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Industrial Process Water
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Chemical Manufacturing
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Boiler Feed
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Electronics / Semiconductor
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Research Lab Facilities
Operating Parameters
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Nominal Recovery: 90–95%
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Operating Temperature: 50–100° F
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Expected Pressure Drop: 30–40 psig
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EDI Water Quality: 15–18 meg-ohm
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Maximum Inlet Pressure: 100 psig
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Electrical Requirement: 460 VAC, 3-phase, 60 Hz. 120 VAC, 1-phase, 60 Hz.
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Feedwater Requirements: See table on reverse side
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Minimum Inlet Pressure: 60 psig
Materials Of Construction
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Skid Frame: Epoxy-coated carbon steel
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EDI cell tubing: Polyethylene
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EDI Housings: FRP
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System piping: Sch 80 PVC
Standard Features
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Allen Bradley MicroLogix Series PLC system
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NEMA-4 electrical enclosures
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Product water resistivity monitor
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Allen Bradley PanelView operator terminal
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Electric-actuated inlet water valve
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Flowmeters for product, reject, and electrolyte streams
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DC Power supply/rectifier unit
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Individual EDI cell sampling ports
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Feedwater pH monitor
Optional Equipment Available
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Product water divert valve
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CPVC system piping
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Product water pressure relief valve
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Feed/product water transfer pump systems
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Alternate PLC systems
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Feedwater resistivity monitor
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Two-pass Reverse Osmosis (RO) pretreatment
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EDI cell clean-in-place (CIP) systems
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System pressure transmitters
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Feed/product water storage tanks