New Arrivals/Restock

4" x 40" Seawater RO Membrane | Watermaker Replacement Membrane | M-S4040A (Replaces SW30-4040) | 1950 GPD (4" x 40")

flash sale iconLimited Time Sale
Until the end
13
04
01

US$247.49 cheaper than the new price!!

Free shipping for purchases over $99 ( Details )
Free cash-on-delivery fees for purchases over $99
Please note that the sales price and tax displayed may differ between online and in-store. Also, the product may be out of stock in-store.
Used  US$165.00
quantity

Product details

Management number 232038054 Release Date 2026/06/18 List Price US$165.00 Model Number 232038054
Category

AMI Seawater Desalination Reverse Osmosis Membranes produce high quality drinking water from seawater and are designed for use in WaterMakers, Shipboard Applications, and Land-and-Sea Based Desalinators. These elements are made in the USA in our ISO 9001:2015 Certified manufacturing plant. Membrane elements are wrapped in fiberglass to increased pressure and TDS tolerance.100% Quality Check and Integrity TestedFits Standard 4" x 40" Fiberglass Seawater Membrane HousingsHigh Quality RO Membranes with Consistent Performance Applied Membranes is a major supplier of RO membranes which are sold under the AMI brand. Since 1983, Applied Membranes has manufactured hundreds of thousands of RO Membranes; these elements have earned the reputation of consistent quality, reliability and performance.This element can be used as replacements in WaterMaker Seawater Desalinator RO SystemsOperating Conditions:Performance specifications based on 32,000 mg/l sodium chloride, 800 psi (5.5 MPa) applied pressure, 77ºF (25ºC) feed water temperature, pH 8 and 8% Recovery. Element permeate flow may vary ± 20%. Maximum operation pressure: 1000 psi (6.9 MPa) AMI 4040 membrane elements are may be used as direct replacements for most industry-standard 4" x 40" seawater Membrane elements, including: SW30-4040, FT-MB-SW4x40 , and most other Industry-Standard 4x40 Size Seawater RO Elements - for use in any system using these membrane elements. Some common systems using these elements are: Farallon 1800c, Farallon 2800c, LandBased 1800 (LB 1800), LandBased 4000 (LB 4000), FL-1800c-110-12, FL-1800c-110-24, FL-1800c-220-12, FL-1800c-220-24, FL-1800c-24, FL-2800c-220-12, FL-2800c-220-24, LB-1800M, LB 1800 M, LB 1800 F, LB-1800F, LB 4000 M, LB-4000M, LB 4000 F, LB-4000F, and many more. If you do not see your system listed or wish to learn more about compatibility, please contact us.

  • Converts Seawater to Drinking Water in WaterMakers , Shipboard Applications, Land-and-Sea Based Desalinators.
  • Replaces SW30-4040, FT-MB-SW4x40, and most industry standard 4x40 mebranes.
  • Desalinates 1950 Gallons Per Day at 99.6% Stabilized Salt Rejection
  • Fits any watermaker using standard 4x40 housings, including Farallon 1800c, Farallon 2800c, LB 1800, and LB 4000 Watermakers
  • Made in USA - High Rejection, High Productivity Seawater RO Membranes Designed for Marine Applications
ASIN B003LTRL40
Set Name 4in x 40in
Brand Name APPLIED MEMBRANES INC.
Unit Count 1 Count
Item Weight 6.5 Pounds
Manufacturer APPLIED MEMBRANES INC.
Model Number M-S4040A
Material Type Fiberglass
Number of Items 1
Product Benefits Reduces TDS
Manufacturer Part Number M-S4040A
Item Dimensions D x W x H 4"D x 4"W x 40"H
External Testing Certification ISO 9001

Correction of product information

If you notice any omissions or errors in the product information on this page, please use the correction request form below.

Correction Request Form

Product Review

You must be logged in to post a review