CodeLine 4" End Port Membrane Housings, 1000 PSI

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Brand CodeLine

40E Series 4" End Entry Membrane Housing Pressure Vessels for single 4"x40" SWRO Membrane Element

CodeLine 40E Series Membrane Housing is designed for continuous, long-term use for Reverse Osmosis and Ultra-Filtration applications in typical industrial and commercial water treatment systems at pressures of 300, 600, and 1,000 PSI.

CodeLine™ membrane housings are built to maximize the performance of your water purification systems. For over 3 decades, CodeLine pressure vessels have been used in critical & demanding applications like Desalination, Reverse Osmosis, Nanofiltration & Ultrafiltration.

Note: Codeline 40E1000N membrane pressure vessels sold complete with end plugs, end closure hardware, and 2 mounting straps and saddles.  End adapters are not included - Qty. (2) 50137  are required for use with AMI or FilmTec Membranes.

CodeLine Membrane Housing Features:

  • Suitable for corrosive seawater conditions and operating pressures up to 1,000 psi
  • Mirror finish I.D for easy & quick loading & unloading of membranes
  • Quick lock head retention system for quick access to membranes
  • Exteriors coated with high gloss polyurethane paint for UV resistance
  • Compact design for use in compact & low energy desalinators
  • All components of the shell & head are constructed from materials that are FDA / NSF listed
  • CE marking comes as a standard feature
  • Shell Construction: Filament wound epoxy/glass composite. Head locking grooves integrally wound in place. Shell exterior coated with white (or blue) high gloss polyurethane paint

SWRO Membrane Housing Specifications

AMI Part Number: 40E100-1
For Membrane Size: 4" x 40"
For Membrane Type:
AMI/Applied Membranes, DOW/FilmTec Style
Maximum Operating Pressure: 1000 psi at 120°F (6.9 MPa at 
Factory Test Pressure: 1500 psi 
Vessel Overall Dimensions:
5.24" Max OD x 56.6"L  
(133mm x 1438mm)
Feed & Brine Ports: 3/4" FNPT
Permeate Port: 1/2" FNPT
Materials: FRP Body, SS End Closures
Configuration: End Port

End Adapters for 40E100
(Not included in vessel assembly, 2 Required per Vessel)

50137 End Adapter for AMI/ FilmTec Style Membrane

CodeLine Pressure Vessels Product Certifications

CodeLine is committed to quality. Each vessel is subject to rigorous quality inspection and hydro-testing before shipping. Pentair’s quality certifications follow from independent and separate accreditations for materials, standards and practices at its manufacturing facility.

Instructions for Water Treatment Components CodeLine 40E100 Engineering Drawing

Applications for CodeLine 40E100 Housings:

  • Seawater Desalination Reverse Osmosis Systems
  • Watermaker RO Systems
  • Membrane Systems for operating pressures up to 1,000 PSI
  • Municipal Water Treatment
  • Industrial Processing
  • Electronics Manufacturing Ultra - Pure Water
  • Food & Beverage
  • Automotive Application
  • Power Generation
  • Health Care


For more information, please visit this products webpage.