VESSELS FOR REVERSE OSMOSIS
What is a Reverse Osmosis Vessel?
A Pressure Vessel is a device shaped like a tube, which contains the elements of the Reverse Osmosis Membrane. For spirally wound elements, the Pressure Vessel is often referred to as a pressure tube and can hold up to six reverse osmosis membrane elements.

SS Pressure Vessels
Seamless | Surface polished stainless steel
Item Part | Membrane Size | Inlet Port | Permeate Port | Concentrate Port |
---|---|---|---|---|
V2521 | 2.5” x 21” | ⅜" | ¼” | ⅜" |
V2540 | 2.5” x 40” | ⅜" | ¼” | ⅜" |
V4021 | 4.0” x 21” | ½” | ½” | ½” |
V4040 | 4.0” x 40” | ½” | ½” | ½” |

FRP Pressure Vessels
Available from 300 psi to 1000 psi | For 1 to 6 elements
Item Part | Description | Port | Port Size | Drawings |
---|---|---|---|---|
V2521-SW | 2.5”x21” for 1000 psi | END | ¼” | View |
V2540-SW | 2.5”x40” for 1000 psi | END | ¼” | View |
V4040-FRP | 4.0”x40” for 300 psi | END | ½” | View |
V4040-SW | 4.0”x40” for 1000 psi | END | ½” – ¾” | View |
V4080-FRP | 4.0”x40” for 2 elements, 300 psi | END | ½” – ¾” | View |
V40120-FRP | 4.0”x40” for 3 elements, 300 psi | END | ½” – ¾” | View |
V8040-FRP | 8.0”x40” for 1 elements, 300 psi | END | 1” NPTF | View |
V8080-FRP | 8.0”x40” for 2 elements, 300 psi | SIDE | 1” NPTF | View |
V80120-FRP | 8.0”x40” for 3 elements, 300 psi | SIDE | 1” NPTF | View |
V80160-FRP | 8.0”x40” for 4 elements, 300 psi | SIDE | 1” NPTF | View |
V80200-FRP | 8.0”x40” for 5 elements, 300 psi | SIDE | 1” NPTF | View |
V80240-FRP | 8.0”x40” for 6 elements, 300 psi | SIDE | 1” NPTF | View |
Couplings

Item Part | Description |
---|---|
VC-1.5 | SS coupling 1.5” |
VC-2 | Vitaulic coupling 2” |
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