AMI 4" x 40" Membrane Housing | 304SS | 300 psi | 1/2" x 1/2" Ports | Stainless Steel Pressure Vessel

In Stock for Immediate Shipment.
was $175.06 Special Price $144.99
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WaterAnywhere  Special pricing is limited to quantity on hand.

PVC Membrane Housing Pressure Vessels for RO Systems
4x40 End Clamp Style Stainless Steel Membrane Housing
Pressure Vessel for RO, NF, UF, MF Membrane Systems

AMI 304 SS end clamp pressure vessels for housing 4" x 40" membrane elements enhance system appearance and allow you to take full advantage of the membrane capability. Stainless steel membrane pressure vessels are considered safer and more reliable than PVC membrane pressure vessels.  Designed for direct connection to AMI/Applied Membranes and FILMTEC/DOW style elements. The end clamp, end entry design saves both time and money, and is designed for ease of installing and replacing membrane elements, and the FNPT connections provide ease of connection with no special fittings required. Each membrane housing is individually inspected for quality assurance.

Each membrane housing is sold complete with End Plugs, End Clamps, and O-Rings. Plug for Feed-End Permeate Port & Mounting pads and straps are sold separately.

Stainless Steel Pressure Vessel Membrane Housings are used to house Reverse Osmosis (RO), Ultrafiltration (UF), Nanofiltration (NF), and Microfiltration (MF) membrane elements in water treatment systems for applications such as:

  • Restaurants
  • Aquariums
  • Whole House (Residential)
  • Office
  • Institutions
  • Hotels
  • Hospitals
  • Disaster Relief
  • Spot Free Rinse/Car Wash
  • Labs
  • Pharmaceutical
  • Humidification
  • Misting
  • Manufacturing
  • Rinse Water
  • Bottled Water
  • Water stores
  • Beverage Food Processing
  • Ice Makers
  • Commercial Water Treatment
  • Ice Makers
  • Wide Variety of Other Applications

SS Membrane Housing Specifications

AMI Part Number: PV4040SSAW-304
For Membrane Size: 4.0" x 40"
For Membrane Type: AMI/FilmTec Style
Operating Pressure: 300 PSI (20 Bar) Maximum
Vessel Dimensions: 

4.0" Dia. x 43.5" Length
(10.2. cm Dia. x 110.5cm Length)

1/2" FNPT Feed and Brine Ports
1/2" FNPT Product/Permeate Port
Configuration: End Entry
End Closures: Clamp-On
Body Material:  304 Stainless Steel 
End Plug Material: GFN
End Clamp Material: Stainless Steel

SS Housing Replacement Parts


End Plug, Includes O-Rings. 
1/2" Brine & 1/2" Product Ports.
 Sold Individually, 2 needed per Housing

End Plug, Includes O-Rings. 
3/4" Brine & 1/2" Product Ports.
 Sold Individually, 2 needed per Housing

End Clamp, with bolts and nuts.
 Sold Individually, 2 needed per Housing

Feed End Product Port Plug, 1/2"MNPT
Sold Separately. Not included with housing.
PV-OR40-342 O-Ring for End Plug - External
PV-OR40-210 O-Ring for End Plug - Internal
H-C111DC Lubricant for O-Rings, DOW Corning 111, 5 Oz

components for AMI End Clamp Stainless Steel Membrane Housings


For more information, please visit this products webpage.