Industrial Water Treatment Parts & Equipment

MDC Water has supplied Australian industrial buyers with water treatment parts and complete systems since 1998. This collection covers our full industrial range — reverse osmosis membranes, ion exchange resins, filter cartridges, FRP pressure vessels, chemical dosing pumps and inline instruments. Browse by category below to find replacement components, complete builds, or technical parts for OEM, plant, contractor and reseller use.

View Products

Trusted By

-15%

2.5"x40" Watermaker Membrane Pressure Vessel

$465.00

$465.00 ~~$550.00~~

2.5" x 40" RO Membrane Housing, 1000 PSI, 2540 Housing 1000 PSI Membrane Housing For...

-17%

2.5"x21" Membrane Pressure Vessel

$395.00

$395.00 ~~$480.00~~

Membrane Housing for Watermakers & Seawater Desalination Systems 2.5 inch x 21 inch RO membrane...

-20%

2.5"x40" Membrane Housing

$239.00

$239.00 ~~$300.00~~

2540 Inch Low Pressure Reverse Osmosis Membrane Housing 300 PSI Membrane Housing For 2.5″x40″ 2540...

-28%

2.5"x21" RO Membrane Housing

$200.00

$200.00 ~~$280.00~~

2.5″ x 21″ Reverse Osmosis Membrane Pressure Vessel – 300 PSI Used for 2521 RO...

2.5″ x 21″ Reverse Osmosis Membrane Pressure Vessel – 300 PSI

Used for 2521 RO membranes.

Ideal for residential, commercial, industrial, and marine-grade reverse osmosis systems.

Why Choose This Membrane Housing?

Reliable Pressure Performance: Built to withstand up to 300 PSI operating pressure in demanding environments.
Universal 2521 Fit: Designed for use with FilmTec TW30-2521, Vontron ULP21-2521 and other standard 2.5″ × 21″ RO membranes.
Built for Durability: Constructed from fiberglass-reinforced polymer (FRP) with protective polyurethane outer coating for long-lasting use and clean appearance.

What’s Included

Pressure Vessel Housing: FRP body with 2.5″ × 21″ dimensions
Mounting Hardware: Pads, straps, and brackets included for secure installation
End Caps: Two PVC end caps with 1/4" female feed/concentrate and permeate ports

Compatible With:

FilmTec TW30-2521 Membranes
Vontron, CSM, Hydranautics, Toray RO membranes
Other industry-standard 2521 membranes
Reverse osmosis systems in residential and commercial

Specifications

Size: 2.5″ diameter × 21″ length
Material: Fiberglass Reinforced Polymer (FRP)
End Port Connections: 1/4" female (PVC – feed/concentrate and permeate)
Outer Coating: White polyurethane for environmental resistance and clean aesthetics
Maximum Operating Pressure: 300 PSI
Shipping: Fast across Australia, fast delivery to New Zealand

Applications

Municipal and commercial water treatment
Oil & gas processing systems
Food & beverage production
Electronics and pharmaceutical industries
Power generation and mining sectors
Automotive and general commercial water systems

Get durable, high-pressure performance and universal compatibility with this 2521 membrane pressure vessel—ideal for land-based and marine RO applications.

$200.00

View Product

Industrial Water Treatment Categories

MDC Water's industrial range covers reverse osmosis membranes, ion exchange resins, filter cartridges, FRP pressure vessels, chemical dosing pumps and inline instruments. Membranes are stocked across brackish water, low-energy and seawater grades. Cartridges are available in 2.5" and 4.5" diameters in sediment, carbon block and GAC media. Ion exchange resins cover cation, anion and mixed bed grades. FRP pressure vessels suit media tanks for softening, deionisation and multi-media filtration. Chemical dosing pumps and inline conductivity, pH and flow instruments complete the industrial fit-out.

Australian Industrial Supply

MDC Water has supplied industrial water treatment components to Australian buyers since 1998. The full range is held as Australian stock — not drop-shipped from overseas — which keeps lead times measured in days, not weeks. Freight covers metro and regional Australia, including remote sites. Sales and technical staff are based locally and can confirm specifications, compatibility and replacement part numbers before you order. Procurement managers comparing suppliers should note: MDC Water has been operating continuously in industrial water treatment for over 25 years.

Who Buys From MDC Water

MDC Water supplies OEMs, plant operators, water treatment contractors and reseller accounts across Australia. OEMs source membranes, vessels and resins as build components. Plant operators replenish cartridges, resins and dosing chemicals on a maintenance schedule. Contractors specify complete systems for new installations. Resellers stock high-turnover parts for trade counters and online sales. Each buyer type sees the same Australian stock and the same technical support — there is no separate trade and retail channel.

FAQs

FAQs

01. What is industrial water treatment?

Industrial water treatment is the conditioning of feed water for manufacturing, process, and cooling applications using filtration, demineralisation, and chemical dosing equipment. Typical processes include sediment removal, reverse osmosis desalination, ion exchange softening or deionisation, and chemical dosing for pH control or scale and biocide treatment. The goal is feed water that meets the chemistry, conductivity and microbial limits a downstream process requires.

02. What parts make up an industrial water treatment system?

An industrial water treatment system typically combines reverse osmosis membranes, pressure vessels, filter cartridges, ion exchange resins, chemical dosing pumps and inline instruments. Pre-treatment uses sediment and carbon cartridges to protect downstream membranes. RO membranes desalinate. Resins polish the permeate to low conductivity. Dosing pumps inject anti-scalant or biocide. Inline conductivity, pH and flow meters monitor performance. MDC Water stocks every part of that chain.

03. Does MDC Water supply replacement parts only, or complete systems?

MDC Water supplies both individual replacement components and complete industrial water treatment system builds. Replacement orders cover cartridges, membranes, resins, vessels and instruments for existing systems. System builds are scoped against the application — feed water analysis, target flow rate, treated water spec — and delivered as ready-to-install assemblies. Buyers can also order partial sub-assemblies (skid, vessel set, dosing rig) without committing to a full turnkey build.

04. Where is MDC Water located and what are your delivery areas?

MDC Water operates from Australia and ships industrial water treatment parts Australia-wide. Freight covers all metro centres and regional and remote sites. Most stocked parts ship within one to two business days of order confirmation. Technical and sales staff are Australia-based and contactable during business hours for specification, compatibility and order questions.

05. How long has MDC Water been supplying industrial buyers?

MDC Water has supplied industrial water treatment equipment since 1998 — over 25 years. The business has operated continuously in the same industrial supply category, building stock depth across membranes, resins, cartridges, vessels, dosing equipment and instruments. Procurement managers qualifying long-term suppliers can treat MDC Water as an established Australian source rather than a recent reseller.

Industrial Water Treatment Parts & Equipment

Trusted By