Membrane and housing

  • Membrane model: LP22-8040
  • Membrane manufacturer: Vontron
  • Membrane rejection: 97-99%
  • Housing:                                       FRP, 300psi, side port                     (for ≤ 1000ppm)                           FRP, 450psi, side port                           (for ≤ 2500ppm)

Boost pump

  • Type: vertical multi-stage centrifugal
  • Pump material: SS316L
  • Connection: DIN Flange
  • Pump brand: CNP

Electrical valve

  • Feed valve: UPVC
  • Flush valve: SS316


  • Flow meters: permeate, concentrate, concentrate recycle
  • Conductivity: permeate
  • Pressure gauge: pre-filter, post-filter, pump discharge, concentrate
  • Pressure switch: feed, RO membrane inlet

Material of construction

  • High - pressure piping: SS316 
  • Low - pressure piping: UPVC 
  • Frame: SS304 or Q235 steel with paint
  • Control box: IP54

Connection port

  • Feed inlet port
  • Permeate port
  • Drain port
  • Clean-in-place (CIP) ports

Documentation included

  • Operation and maintenance manual
  • Drawings: P&ID, electrical diagram

Control system

  •    Siemens PLC
  •  Weinview HMI
  •  ABB VFD
  •  Parameter setting panel
  •  High pressure pump soft start
  •  Tank level control
  •  Low pressure/High pressure protection
  •  Auto flush
  •  Pretreatment interconnection backup

PTROL Series Reverse Osmosis System        

PTROL Series

PTROL Series

Options and Upgrades   


Municipal, Waste water, Hotel, Military,

Hospital, Food and beverage, Pharmaceutical,

Mining, Power and energy, Refinery, Restaurants,

Agriculture, Boiler feed, Disaster relief, and etc.

  • Flow transmitter with pulse signal output
  • Pressure transducer with analog signal output
  • Communication: Modbus RTU
  • SS304/316 seamless housing
  • Antiscalant dosing system
  • Clean-in-place (CIP) system
  • Pretreatment system
EWP-USA RO Systems and Components

Request stock and pricing information:.

(Feed TDS < 2500 ppm).

Reverse Osmosis Systems from 15m3/h to 100m3/h

The smart, clean, and practical industrial design of EWP-USA's PTROL Series allows for convenient installation, user-friendly operation, and ease of maintenance. These skid-mounted, packaged systems are pre-plumbed and pre-wired complete on a steel frame with panel-mounted pressure and flow instrumentation allowing for straight forward system monitoring and control. EWP-USA offers an assortment of both basic and premium designs of pure water systems that can be private labeled or customized.

       Your source for Commercial and Industrial RO Systems & Components


  • Fully equipped and customizable   
  • Individually tested and preserved
  • Expandable and skid mounted     
  • Low operation and maintenance costs
  • Components are easily accessible 
  • Easy maintenance and servicing
  • Pre-plumbed, wired and assembled  
  • 1-year limited warranty

Operating Limits

Maximum Feed Temperature:   95°F                                                  pH (Continuous):  4 ~ 9
Minimum Feed Temperature:   41°F Minimum                                     pH (Continuous):  4
Maximum Feed Pressure:  72 psi                                                       Free Chlorine:  Undetectable
Minimum Feed Pressure:  29 psi                                                        Iron:  ppm  <0.1
Maximum TDS:   ppm  1500                                                             Manganese:  ppm  <0.05
SDI:  <5                                                                                         Organic matter:  ppm  <1

  • PLC controller
  • Feed water conductivity meter
  • pH and ORP meter
  • Grundfos/Danfoss pump
  • Dow/Hydranautics/Toray membrane
  • VPN internet

¹Maximum permeate rate listed at temperature 77°F, Permeate rate will decreases with decreasing temperature.

²Design flow rate of the pump is the sum of Feed rate and Concentrate recycle rate