RO Membrane Pressure Vessels
MDC Water carries Stainless Steel and Fiberglass (FRP) membrane housings in a wide variety of sizes, end cap styles, pressure ratings, and side or end entry designs.
MDC Water supplies 2.5″, 4″ and 8″ RO membrane pressure vessels that range in pressure from 300 psi all the way up to 1200 psi. They are designed for constant use as a housing for reverse osmosis membrane.
We only work with trusted reverse osmosis membrane pressure vessels manufacturers.
FRP RO Membrane Housings

8 Inch RO Membrane Housings
- 8″ FRP membrane housings are widely used in brackish and seawater reverse osmosis systems.
- Length: from 1 to 8 elements.
- Working pressure range 300 PSI to 1200 PSI.
- End or side port connection.
2.5″ Membrane Pressure Vessels
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Sale!
2.5″x40″ Membrane Pressure Vessel
$445.001000 PSI Membrane Housing For Watermakers & Seawater Desalination, FREE Delivery (regional areas excluded)* -
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2.5″x21″ Membrane Pressure Vessel
$395.001000 PSI Membrane Housing For Watermakers & Seawater Desalination -
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2.5″x40″ Membrane Housing
$239.00300 PSI Membrane Housing For 2.5"x40" 2540 Membranes FREE Delivery (regional areas excluded)* -
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2.5″x21″ RO Membrane Housing
$200.00Membrane Module For 2.5"x21" 2521 Membranes, 300 PSI
4″ membrane housings
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4″x40″ 4040 Membrane Pressure Vessel
$339.00300 PSI Membrane Housing For 4"x40" 4040 Membranes FREE Delivery (regional areas excluded)* -
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4040 Seawater Membrane Housing 4″x40″
$790.001000 PSI Membrane Housing For Watermakers & Seawater Desalination Delivery excluded -
Sale!
4″x40″ Stainless Steel RO Membrane Housing
$235.00300 PSI End Clamp Membrane Pressure Vessel for 4″ x 40″ Membranes FREE Delivery (regional areas excluded)* -
Sale!
4″x21″ Stainless Steel RO Membrane Housing
$190.00300 PSI End Clamp Membrane Pressure Vessel for 4″ x 21″ Membranes -
Sale!
4″x21″ 4021 FRP Membrane Pressure Vessel
$295.00300 PSI Fiberglass Membrane Housing For 4"x21" 4021 Membranes
Other sizes and 8 inch membrane pressure vessels, please fill the form below.
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MDC Water Pty Ltd, Supplier Of Quality Reverse Osmosis Membranes Housings.
The fiber-reinforced plastic FRP RO membrane pressure vessels (fiberglass FG) are available with 2.5 inch, 4 inch and 8 inch diameters. They are available for operating pressures of 150 psi, 300 psi, 450 psi, 600 psi, 1000 psi & 1200 psi, and compliant with ASME Sec X, NSF, and CE* (*optional).
RO Membrane tubes are used in a wide range of demanding applications, such as seawater desalination, municipal water treatment, oil & gas applications, food & beverage plants, electronics manufacturing, the power industry, wastewater treatment, mining industry, pharmaceutical industry, industrial water treatment, automotive industry and commercial water treatment.