M-S2540A, 2.5" x 40" Watermaker Membrane
High Quality 2.5″x40″ Watermaker Membrane, Seawater Desalination Membrane
M-S2540A, 2.5" x 40" Reverse Osmosis Seawater Membrane Element
M-S2540A Watermaker Seawater RO Membrane is a standard size seawater membrane, 2.5"x40" standard dimensions to fit in commonly available housings.
Widely used for watermakers, desalinators, seawater desalination systems, marine (yacht and boat), Navy and maritime applications.
Commonly used in on-board Watermakers to create drinking water from seawater for yachts, boats, and cruise ships.
Equivalent to DOW Filmtec SW30-2540.
Made in USA.
Membrane Sheets: by DuPont (DOW Filmtec) USA.
AMI high rejection and high productivity seawater reverse osmosis membranes are specially designed for marine applications.
AMI SWRO membranes are ideal for seawater desalination in shipboard applications, watermakers, land-based desalinators and sea-based desalinators.
The AMI 2540 Seawater Membrane produces 700 gallons per day and has an applied pressure of 800 psig.
Watermaker Membrane Replacement and Watermaker Part for many watermakers' brands like:
- Spectra Catalina FT-MB-40 and (Long membrane of Spectra Catalina 300)
- Spectra Newport FT-MB-40.
- Schenker Smart 60, Schenker Smart 80.
- Most of watermakers: Stella watermaker, Selmar water maker, FCI watermaker, Schenker watermaker, SK Watermakers ... and many more.
- Any water maker that uses industry-standard 2.5x40 size seawater RO membranes
Free Shipping Australia wide, Fast Delivery to New Zealand.
PRODUCT SPECIFICATIONS:
- Product Name: M-S2540A
- Applied Pressure psig (bar): 800 (55)
- Permeate Flow Rate gpd (m³/d): 700 (2.6)
- Stabilized Salt Rejection: 99.4%
- Single Element Recovery: 8%.
- Maximum Feed Flow Rate gpm (m³/h): 6 (1.4)
- Size: 2.4" x 40" inch
- M-S2540A RO membranes fit nominal 2.5 inch I.D. pressure vessels
- Membrane Type: polyamide thin film composite
- Maximum Operating Temperature: 113°F (45°C)
- Maximum Operating Pressure: 1,000 psi (69 bar)
- Maximum Pressure Drop: 15 psig (1.0 bar)
- pH Range, Continuous Operations: 2 - 11 pH Range, Short-Term Cleaning: 1 - 13
- Maximum Feed Silt Density Index: SDI 5
- Free Chlorine Tolerance < 0.1 ppm
- Maximum temperature for continuous operation above pH10 is 95°F (35°C)
Equivalents: SW30-2540 Filmtec, Hydranautics SWC-2540 / CSM RE2540-SHF
Buy Watermaker membrane and housing & SAVE.
DIY Watermaker Parts.
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Estimated Delivery:Jul 23 - Jul 27
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Next Day Dispatch
M-S2540A, 2.5" x 40" Watermaker Membrane
High Quality 2.5″x40″ Watermaker Membrane, Seawater Desalination Membrane
M-S2540A, 2.5" x 40" Reverse Osmosis Seawater Membrane Element
M-S2540A Watermaker Seawater RO Membrane is a standard size seawater membrane, 2.5"x40" standard dimensions to fit in commonly available housings.
Widely used for watermakers, desalinators, seawater desalination systems, marine (yacht and boat), Navy and maritime applications.
Commonly used in on-board Watermakers to create drinking water from seawater for yachts, boats, and cruise ships.
Equivalent to DOW Filmtec SW30-2540.
Made in USA.
Membrane Sheets: by DuPont (DOW Filmtec) USA.
AMI high rejection and high productivity seawater reverse osmosis membranes are specially designed for marine applications.
AMI SWRO membranes are ideal for seawater desalination in shipboard applications, watermakers, land-based desalinators and sea-based desalinators.
The AMI 2540 Seawater Membrane produces 700 gallons per day and has an applied pressure of 800 psig.
Watermaker Membrane Replacement and Watermaker Part for many watermakers' brands like:
- Spectra Catalina FT-MB-40 and (Long membrane of Spectra Catalina 300)
- Spectra Newport FT-MB-40.
- Schenker Smart 60, Schenker Smart 80.
- Most of watermakers: Stella watermaker, Selmar water maker, FCI watermaker, Schenker watermaker, SK Watermakers ... and many more.
- Any water maker that uses industry-standard 2.5x40 size seawater RO membranes
Free Shipping Australia wide, Fast Delivery to New Zealand.
PRODUCT SPECIFICATIONS:
- Product Name: M-S2540A
- Applied Pressure psig (bar): 800 (55)
- Permeate Flow Rate gpd (m³/d): 700 (2.6)
- Stabilized Salt Rejection: 99.4%
- Single Element Recovery: 8%.
- Maximum Feed Flow Rate gpm (m³/h): 6 (1.4)
- Size: 2.4" x 40" inch
- M-S2540A RO membranes fit nominal 2.5 inch I.D. pressure vessels
- Membrane Type: polyamide thin film composite
- Maximum Operating Temperature: 113°F (45°C)
- Maximum Operating Pressure: 1,000 psi (69 bar)
- Maximum Pressure Drop: 15 psig (1.0 bar)
- pH Range, Continuous Operations: 2 - 11 pH Range, Short-Term Cleaning: 1 - 13
- Maximum Feed Silt Density Index: SDI 5
- Free Chlorine Tolerance < 0.1 ppm
- Maximum temperature for continuous operation above pH10 is 95°F (35°C)
Equivalents: SW30-2540 Filmtec, Hydranautics SWC-2540 / CSM RE2540-SHF
Buy Watermaker membrane and housing & SAVE.
DIY Watermaker Parts.
Discover more in our FAQ
What types of industrial water treatment products do you offer?
We offer a comprehensive range of industrial water treatment solutions, including:
Filtration Systems – Effectively removes sediment, chlorine, and other impurities to enhance water purity and system longevity.
Reverse Osmosis Membranes – High-performance purification technology that eliminates dissolved solids, contaminants, and impurities for ultra-pure water.
Membrane Housings – Durable, high-pressure enclosures engineered to protect and optimize the performance of RO membranes.
Filter Cartridges – Precision-engineered sediment, carbon, and specialty filters designed to target specific contaminants for enhanced water treatment efficiency.
Chemical Dosing Systems – Precise chemical treatment for water.
Media FRP Pressure Vessels – High-pressure tanks for filtration media.
Ion Exchange Resins – Softening and demineralization solutions.
Water Instruments – pH meters, conductivity meters, and TDS testers.
Rotameter Flow Meters – Accurate flow measurement devices.
Watermaker Parts – Spare parts for marine and industrial watermakers.
Water Quality Test Kits – Portable and lab testing solutions.
How do I know which product is right for my application?
Choosing the right product depends on:
Water quality parameters (TDS, pH, hardness, contaminants)
Flow rate and pressure requirements
Industry-specific needs (food processing, pharmaceuticals, HVAC, etc.)
If you’re unsure, our technical support team can help you select the best solution.
Do you offer bulk pricing for large industrial orders?
Yes! We provide bulk discounts and custom pricing for high-volume orders. Contact us for a personalized quote.
How long does shipping take?
Shipping times depend on location and stock availability. Standard delivery is 3–7 business days for most regions. Expedited shipping options are available upon request.
What is your return policy?
We offer a 14-day return policy from the date of delivery. If you are not completely satisfied with your purchase, you can return the item for a refund or exchange, provided it meets our return conditions.
What happens if I receive a damaged or incorrect item?
If your item arrives damaged or you receive the wrong product, please contact us immediately at support@waterfilter.net.au with photos and your order number. We will send a replacement or issue a refund as per our return policy..
How long does shipping take?
Shipping times depend on location and stock availability. Standard delivery is 3–7 business days for most regions.
Expedited shipping options are available upon request.
Do you ship internationally?
Yes, we offer international shipping for most of our industrial water treatment products. Contact us for custom shipping quotes and lead times.