4” U-Pin SS
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 ART/All Refine and FilmTec/DOW style elements. The ART 4” Stainless Steel pressure vessels are ideal for pressures up to 300 PSI.
Stainless Steel Pressure Vessel Ordering Information
Configuration
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Specifications
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| Model No. | For Membranes | Vessel Dimensions | Connection, FNPT | |||||||||
| Diameter | Length | Qty. | Diameter | Length | Feed | Brine | Prod. | |||||
| in | cm | in | cm | in | cm | in | cm | |||||
| PV4014SSAU-316 | 4 | 10.2 | 14 | 35.6 | 1 | 4 | 10.2 | 19 | 48.3 | ½” | ½” | ½” |
| PV4021SSAU-316 | 4 | 10.2 | 21 | 53.3 | 1 | 4 | 10.2 | 26 | 66.0 | ½” | ½” | ½” |
| PV4040SSAU-316 | 4 | 10.2 | 40 | 101.6 | 1 | 4 | 10.2 | 45 | 114.3 | ½” | ½” | ½” |
| PV4080SSAU-316 | 4 | 10.2 | 40 | 101.6 | 2 | 4 | 10.2 | 85 | 215.9 | ½” | ½” | ½” |
Note: Vessels sold complete with End Plugs, U-Pins, and O-Rings. Feed Plug, Mounting Pads and Straps not included. Membrane Interconnectors are sold separately.
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
- ART has been manufacturing Water Filtration Components for over 30 years
- ART Products have earned an industry-wide reputation for their high quality and superior performance
- Individually inspected
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
- ½” FNPT Connections
- 316 Stainless Steel Body, PVC End Plugs, Stainless Steel U-Pins
- For Direct Connection to ART/All Refine and DOW/FilmTec style membranes
- 4” Diameter vessels available for 14″, 21”, 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:
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Spare Parts for SS Pressure Vessel Membrane Housings
| Model No. | Description | Qty. per Vessel | |
| PV-EP40PD1212 | End Plug with O-Rings, ½” Brine × ½” Product |
2 |  |
| PV-EP40PD134 | End Plug with O-Rings, ¾” Brine × ½” Product |
2 | |
| PV-EP40PD1 | End Plug with O-Rings, ½” Brine × ⅜” Product |
2 | |
| PV-RR40U | U-Pin | 2 | |
| PV-OR40-342 | O-Ring for End Plug – External | 2 | |
| PV-OR40-210 | O-Ring for End Plug – Internal | 2 | |
| 3850.005 | Plug for Feed End, ½” MNPT | 1 | |
| 3850.003 | Plug for Feed End, ⅜” MNPT | 1 |
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 |  |
| 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 ART 4″ SS Pressure Vessels (Not Included)
Note: Membrane max. pressures and operating conditions vary – refer to membrane specifications for data on specific models
| Membrane Type | PV4014SSAU-316 (4″ x 14″) | PV4021SSAU-316 (4″ x 21″) | PV4040SSAU-316 (4″ x 40″) |
| Thin Film RO Membranes | M-T4014A | M-T4021A | M-T4040A |
| Low Energy RO Membranes | M-T4014ALE | M-T4021ALE | M-T4040ALE |
| Extra-Low Energy RO Membranes | M-T4014AXLE | M-T4021AXLE | M-T4040AXLE |
| FRP-Wrapped RO Membranes | M-B4014A | M-B4021A | M-B4040A |
| LE FRP RO Membranes | M-B4014ALE | M-B4021ALE | M-B4040ALE |
| XLE FRP RO Membranes | M-B4014AXLE | M-B4021AXLE | M-B4040AXLE |
| Heat-Sanitizable RO Membranes | M-B4014HS | M-B4021HS | M-B4040HS |
| NF5 Nanofiltration Membranes | M-N4014A5 | M-N4021A5 | M-N4040A5 |
| NF9 Nanofiltration Membranes | M-N4014A9 | M-N4021A9 | M-N4040A9 |
| Hollow Filber UF Membranes | M-U4014HF09 | M-U4021HF09 | M-U4040HF09 |
| Polyacrylonitrile UF Membranes | M-U4014PAN | M-U4021PAN | M-U4040PAN |
| Polyethersulfone UF Membranes | M-U4014PES | M-U4021PES | M-U4040PES |
| Microfiltration Membranes | M-M4014PS20 | M-M4021PS20 | M-M4040PS20 |
ART Membrane Housing Pressure Vessels Product Catalog