40S Series Membrane Housings

For available options & specifications,
please refer to this PDF Library


Models: 40S30, 40S45, 40S60

  • Side Entry Design
  • Available in pressure rating of 300psi, 450psi & 600psi
  • Can accommodate any standard make of 4” Membrane Element

Ultrapure/Sanitary Application: 40S comes with a specially designed 3-A style sanitary connection (optional).

Key Features

  • Mirror finish I.D for easy & quick loading & unloading of membranes.
  • Multi-Porting option for connecting vessels to each other.
  • High operating temperature upto 176˚F.
  • 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.
  • ASME compliant & CE marking.
  • Head seal area is formed by Mandrel surface, hence more accurate.
  • Head seal is captured, hence doesn't roll during head assembling.
  • Single piece head assembly cuts down on number of spares (available as Non-coded option for all pressure ratings)

Specifications 40S Coded



Model # of Elements Operating Pressure Max. Operating Temperature Qualification Pressure
40S30 1-6 300 psi / 20 bar 176˚F / 80˚C 1800 psi / 124 bar
40S45 1-6 450 psi / 31 bar 176˚F / 80˚C 2700 psi / 186 bar
40S60 1-6 600 psi / 41 bar 176˚F / 80˚C 3600 psi / 248 bar

Pure Aqua manufactures and supplies RO systems, and as a leading RO supplier in the sphere of development and implementation of reverse osmosis and water treatment systems, Pure Aqua earned a great industry reputation in the RO market.
In all commercial and industrial RO systems that Pure Aqua supplies, we include a cleaning procedures in the operating and installation manual. Pure Aqua, as a leader RO supplier, has a presence all over the world with a strong dealership network to help our customers.

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