Membrane elements and housings
• membrane model: SW30-400
• membrane manufacturer: Filmtec or equivalent
• nominal rejection: 97%-99%
• housing: FRP, 8inch, 1000psi, side port
• housing manufacturer: Firstline
Control system
• Siemens PLC
• Siemens HMI
• ABB VFD
• parameter setting
• high-pressure pump soft start
• tank level control
• feed water pump MCC and control reserved
Electrical valve
• valve body: UPVC
• actuator motor: 220VAC or 24VDC
High press pump & energy recovery device
• pump head inner wet contact: SS2507
• pump head (case): SS2205
• brand: Danfoss
Options
• containerized
• feed water pump
• feed water conductivity meter
• communication: ModBus RTU
• remote monitor and control
• anti-scalant dosing unit
• SBS dosing unit
• ORP meter
• clean-in-place (CIP) system
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Connection port
• feed seawater inlet
• permeate water flush
• permeate
• concentrate
• air release
Material of construction
• high-pressure piping: SS2205
• low-pressure piping: UPVC
• frame: SS304 with marine-grade painting
• control box: IP54; SS304 with painting
Instrument
• flow meter: permeate, concentrate
• conductivity meter: permeate
• pressure gauge: pre-filter, post-filter, pump
discharge, concentrate
• pressure switch: feed, concentrate
Documentation included
• operation and maintenance manual
• drawings: P&ID, electrical diagram, 3D
Operating Limits
Max. feed temperature: °C (°F) 35 (95)
Min. feed temperature: °C (°F) 5 (41)
Max. feed pressure bar: (psi) 5 (72)
Min. feed pressure bar: (psi) 2 (29)
Feed TDS: ppm 35000 - 40000
SDI: <5
pH (Continuous): 4 ~ 9
Min. pH (Continuous): 4
Free chlorine: undetectable
Iron: ppm <0.1
Manganese: ppm <0.05
Organic matter: ppm <1
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