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2.5” U-Pin SS

AMI Stainless Steel Pressure Vessel Membrane 

Housings for RO Systems

Stainless Steel Membrane Housing Pressure Vessels enhance system appearance and allow you to take full advantage of the membrane capability. Safer and more reliable than PVC membrane pressure vessels. This style is designed for direct connection to AMI/Applied Membranes and FilmTec/DOW style elements. The AMI 2.5” Stainless Steel pressure vessels are ideal for pressures up to 300 PSI.

Benefits of SS Pressure Vessel Membrane Housings for RO, UF, NF, MF Systems

  • Reliable and economical pressure vessel
  • Designed for ease of installation and maintenance
  • Ideal for pressures up to 300 PSI
  • 316 Stainless Steel Body, PVC End Plugs, SS U-Pins
  • AMI has been manufacturing Water Filtration Components for over 30 years
  • AMI Products have earned an industry-wide reputation for their high quality and superior performance
  • Individually inspected

Stainless Steel Pressure Vessel Ordering Information

Configuration

  • U-pin Style
  • End Entry

Specifications

  • Maximum Operating Pressure: 300 PSI (20 Bar)
  • Materials: 316 Stainless Steel Body, PVC End Plugs, SS U-Pins, EPDM Seals

Model No.

For Membranes

Vessel Dimensions

Connection, FNPT

Diameter

Length

Diameter

Length

Feed

Brine

Prod.

in

cm

in

cm

in

cm

in

cm

PV2514SSAU-316

2.5

6.4

14

35.6

2.5

6.4

16

40.6

¼”

¼”

¼”

PV2521SSAU-316

2.5

6.4

21

53.3

2.5

6.4

22.5

57.2

¼”

¼”

¼”

PV2540SSAU-316

2.5

6.4

40

101.6

2.5

6.4

42

106.7

¼”

¼”

¼”

Note: Vessels sold complete with End Plugs, U-Pins, Feed Plug, and O-Rings. Mounting Pads and Straps not included.

Features of SS Pressure Vessel Membrane Housings for RO, UF, NF, MF Systems

  • 300 PSI (20 Bar) Maximum Operating Pressure
  • U-Pin Style
  • End-Entry
  • ¼" FNPT Connections
  • 316 Stainless Steel Body, PVC End Plugs, Stainless Steel U-Pins
  • For Direct Connection to AMI/Applied Membranes and DOW/FilmTec style membranes
  • Available for 14", 21” and 40" length membrane elements
  • Easy to install and maintain

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

Replacement Components for AMI Stainless Steel Membrane Housings

Model No.

Description

Qty. per Vessel

 

PV-EP25GWD

End Plug with O-Rings, 2 Ports for Product End

1

Replacement Parts for Stainless Steel Membrane Housing Pressure Vessel
End caps not interchangeable
w/ PVCAU model

PV-EP25GWS

End Plug with O-Rings, 1 Port for Feed End

1

PV-RR25U2

U-Pin for Securing End Cap in Place

2

PV-OR40-330

O-Ring for End Plug (Head Seal)
(External O-Ring)

2

PV-OR40-210

O-Ring for Membrane PWT to End Plug  (Internal O-Ring)

2


O-Ring Lubricant for Membrane Housings (Not Included)

Molykote 111 compound is the recommended o-ring lubricant for use in water filters and water treatment systems including reverse osmosis membranes & pressure vessels, and filter housings.   The high gade silicone lubricant does not harm the membrane or downstream equipment typically used in reverse osmosis and water treatment systems.

Model No. Description Image
H-C111DC Molykote Compound 111 - 5 Ounce Tube Molykote 111 (DOW Corning 111) High Grade Silicon Lubricant for Water Filter Systems
H-C111DC-6GM Molykote Compound 111 - 6 Gram Pillow Pack
Sold individually, or in boxes of 100 at bulk pricing

Popular Membranes for Use with AMI 2.5" SS Pressure Vessels (Not Included)

Note:  Membrane max. pressures and operating conditions vary - refer to membrane specifications for data on specific models

Membrane Type PV2514SSAU-316 (2.5" x 14") PV2521ASSAU-316 (2.5" x 21") PV2540ASSAU-316 (2.5" x 40")
Thin Film RO Membranes M-T2514A M-T2521A  M-T2540A 
Low Energy RO Membranes M-T2514ALE M-T2521ALE  M-T2540ALE 
Extra-Low Energy RO Membranes M-T2514AXLE M-T2521AXLE M-T2540AXLE 
FRP-Wrapped RO Membranes M-B2514A M-B2521A  M-B2540A 
LE FRP RO Membranes M-B2514ALE M-B2521ALE  M-B2540ALE 
XLE FRP RO Membranes M-B2514AXLE M-B2521AXLE  M-B2540AXLE 
Heat-Sanitizable RO Membranes M-B2514HS M-B2521HS  M-B2540HS 
NF5 Nanofiltration Membranes M-N2514A5 M-N2521A5  M-N2540A5 
NF9 Nanofiltration Membranes M-N2514A9  M-N2521A9   M-N2540A9  
Hollow Filber UF Membranes M-U2514HF09 M-U2521HF09  M-U2540HF09 
Polyacrylonitrile UF Membranes M-U2514PAN M-U2521PAN  M-U2540PAN  
Polyethersulfone UF Membranes M-U2514PES M-U2521PES  M-U2540PES 
Microfiltration Membranes M-M2514PS20 M-M2521PS20 M-M2540PS20