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Membrane Pressure Vessels

We supply RO membrane pressure vessels in a wide variety of sizes to suit most applications

RO Membrane Housing Pressure Vessels

MDC Water carries stainless steel and fiberglass (FRP) reverse osmosis membrane housings in a wide variety of sizes, end cap styles, pressure ratings, and side or end entry designs. 

We supplies 2.5″, 4″ and 8″ RO membrane pressure vessels that range in pressure from 300 psi all the way up to 1200 psi.

Reverse osmosis vessels are designed for constant use as a housing for reverse osmosis membrane.

We only work with trusted reverse osmosis membrane housing manufacturers.
Membrane Pressure Vessels

2.5 Inch RO Membrane Housings

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

  • 2.5″ FRP membrane housings are widely used in watermaker desalination and small reverse osmosis systems.
  • Length: 40″ or 21″ one element.
  • Working pressure range 300 PSI to 1200 PSI.
  • End port connection.
Membrane Pressure Vessels

4 Inch RO Membrane Housings

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

  • 4040 RO membrane housings are widely used in watermaker desalination and small reverse osmosis systems.
  • Length: from 1 to 4 elements.
  • Working pressure range 300 PSI to 1200 PSI.
  • End port connection.
Membrane Pressure Vessels

8 Inch RO Membrane Housings

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

  • 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.

Recently Viewed Products

Membrane Housings

They provide high permeate flows and high salt rejection at high salinity inlet water (up to 8,000 ppm NaCl Salinity), the best balance of flow and salt rejection. BW RO membranes require medium to high inlet feed water pressure (200 to 300 PSI).
2.5"x21" Membrane Pressure Vessel
On Sale

2.5"x21" Membrane Pressure Vessel

Regular price $395.00
Sale price $395.00 Regular price $480.00
Unit price
  1000 PSI Membrane Housing For Watermakers & Seawater Desalination 2.5" x 21" RO Membrane...
4040 Seawater Membrane Housing 4"x40"
On Sale

4040 Seawater Membrane Housing 4"x40"

Regular price $790.00
Sale price $790.00 Regular price $875.00
Unit price
1000 PSI Membrane Housing For Watermakers & Seawater Desalination Delivery excluded 4040 Seawater Membrane Pressure...
2.5"x40" Membrane Pressure Vessel
On Sale

2.5"x40" Membrane Pressure Vessel

Regular price $465.00
Sale price $465.00 Regular price $550.00
Unit price
1000 PSI Membrane Housing For Watermakers & Seawater Desalination,  FREE Delivery (regional areas excluded)*  ...

Low Pressure / Ultra Low Pressure RO Membranes

Low Energy (LE) and Low Pressure (LP, ULP) reverse osmosis membrane elements are recommended for low-moderate salinity applications or/and in applications where low energy consumption is an important consideration. Low pressure membrane elements are based on 150 PSI (10.3 bar) working pressure. Ultra low pressure membranes (XLE, XLP, ULP) are designed for low salinity water to operate at ultra low pressure (extremely low energy). ULP and XLP membranes are based 100-110 PSI (around 7 bar) inlet applied water pressure.
2.5"x40" Membrane Housing
On Sale

2.5"x40" Membrane Housing

Regular price $239.00
Sale price $239.00 Regular price $300.00
Unit price
300 PSI Membrane Housing For 2.5″x40″ 2540 Membranes FREE Delivery (regional areas excluded)* 2540 Inch...
2.5"x21" RO Membrane Housing
On Sale

2.5"x21" RO Membrane Housing

Regular price $200.00
Sale price $200.00 Regular price $280.00
Unit price
2.5″ x 21″ Reverse Osmosis Membrane Pressure Vessel – 300 PSI Engineered for 2521 RO...
2.5"x21" Membrane Pressure Vessel
On Sale

2.5"x21" Membrane Pressure Vessel

Regular price $395.00
Sale price $395.00 Regular price $480.00
Unit price
  1000 PSI Membrane Housing For Watermakers & Seawater Desalination 2.5" x 21" RO Membrane...
2.5"x40" Membrane Pressure Vessel
On Sale

2.5"x40" Membrane Pressure Vessel

Regular price $465.00
Sale price $465.00 Regular price $550.00
Unit price
1000 PSI Membrane Housing For Watermakers & Seawater Desalination,  FREE Delivery (regional areas excluded)*  ...

Seawater Desalination Membranes

We offer a variety of premium grade seawater desalination reverse osmosis elements featuring both high productivity and high salt rejection to offer long-term economics for seawater desalination systems. SWRO membrane Applications: – Marine and Maritime watermakers. – Sea and land-based desalinators. – Seawater and high brackish water desalination plants.
4"x21" 4021 FRP Membrane Pressure Vessel
On Sale

4"x21" 4021 FRP Membrane Pressure Vessel

Regular price $295.00
Sale price $295.00 Regular price $350.00
Unit price
300 PSI Fiberglass Membrane Housing For 4″x21″ 4021 Membranes 4021 Reverse Osmosis Membrane Housing 4...
4"x40" Stainless Steel RO Membrane Housing
On Sale

4"x40" Stainless Steel RO Membrane Housing

Regular price $235.00
Sale price $235.00 Regular price $320.00
Unit price
300 PSI End Clamp Membrane Pressure Vessel for 4″ x 40″ Membranes FREE Delivery (regional...
4"x21" Stainless Steel RO Membrane Housing
On Sale

4"x21" Stainless Steel RO Membrane Housing

Regular price $190.00
Sale price $190.00 Regular price $270.00
Unit price
300 PSI End Clamp Membrane Pressure Vessel for 4″ x 21″ Membranes 4" x 21"...
4040 Seawater Membrane Housing 4"x40"
On Sale

4040 Seawater Membrane Housing 4"x40"

Regular price $790.00
Sale price $790.00 Regular price $875.00
Unit price
1000 PSI Membrane Housing For Watermakers & Seawater Desalination Delivery excluded 4040 Seawater Membrane Pressure...
4"x40" 4040 Membrane Pressure Vessel
On Sale

4"x40" 4040 Membrane Pressure Vessel

Regular price $339.00
Sale price $339.00 Regular price $400.00
Unit price
300 PSI Membrane Housing For 4″x40″ 4040 Membranes FREE Delivery (regional areas excluded)* 4 Inch...

Reverse Osmosis Membranes Housings Supplier

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.

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