SKU: 84132130839

4"x40" Brackish Water | 2,700 GPD | 100 psi | 99.0% Rej | 85 ft2 | LG Chem RO Membrane

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Description

4"x40" Brackish Water | 2,700 GPD | 100 psi | 99.0% Rej | 85 ft2 | LG Chem RO MembraneLG Chem Nano H2O LG BW 4040 UES Brackish Water (BWRO) Reverse Osmosis Membrane LG BW 4040 UES Ultra Energy Saving Brackish Water RO membranes offer high permeability at low feed pressure significantly reducing operating costs; suitable for low salinity brackish water applications. LG Chems NanoH2O brackish water RO membranes serve various municipal and industrial applications and major utilities around the world. LG BWRO membranes, all incorporated


LG Chem Nano H2O LG BW 4040 UES Brackish Water (BWRO) Reverse Osmosis Membrane


LG BW 4040 UES Ultra Energy Saving Brackish Water RO membranes offer high permeability at low feed pressure significantly reducing operating costs; suitable for low salinity brackish water applications.

LG Chem’s NanoH2O™ brackish water RO membranes serve various municipal and industrial applications and major utilities around the world. LG BWRO membranes, all incorporated with innovative Thin Film Nanocomposite (TFN) technology, are offered in industry standard configurations and can easily fit into existing and new RO plants.


LG BW 4040 UES Compatibility Information

LG BW 4040 UES Membrane Element can be used as a replacement for the below membrane elements in your existing water treatment equipment. Please note that additional hardware or adapters may be required - refer to the pressure vessel and element drawings, or contact us to verify.

  • FilmTec XLE-4040
  • Hydranautics ESPA4-4040
  • Toray MH10A

Specifications for LG BW 4040 UES

LG Chem Product: LG BW 4040 UES
Size (Approximate): 4" Dia. x 40"L
Flow Rate: 2,700 gpd (10.2 m³/d)
Applied Pressure: 100 psig (6.9 bar)
Stabilized Salt Rejection: 99.0%
Minimum Salt Rejection: 98.0%
Active Surface Area: 85 ft2 (7.9 m2)
Single Element Recovery: 15%
End Style: Standard Male PWT
Exterior: Hard Shell Fiberglass
Feed Spacer: 28 mil
Membrane Type: Thin Film Nanocomposite
Can Replace Elements:


FilmTec XLE-4040
Hydranautics ESPA4-4040
Toray MH10A

Permeate flow and salt rejection based: 500 ppm NaCl feed stream, 77°F (25°C), 15% recovery, pH7, and 100 psig (6.9 bar). Permeate flows for individual elements will vary with no less than 85% of the specified datasheet flow.


Operating Limits for LG BW 4040 UES

Maximum Applied Pressure: 600 psig (41 bar)
Maximum Chlorine Concentration: < 0.1 ppm
Maximum Operating Temperature: 113°F (45°C)
pH Range, Continuous (Cleaning): 2-11 (2-12)
Maximum Feedwater Turbidity: 1.0 NTU
Maximum Feedwater SDI (15 min): 5.0
Maximum Feed Flow Rate: 16 gpm (3.6 m³/h)
Maximum Pressure Drop (ΔP)
for Each Element:
15 psi (1.0 bar)

Benefits & Features of LG Brackish Water Reverse Osmosis Membranes

  • Improved permeate quality without increasing operating pressure
  • Reduced energy cost without sacrificing the permeate quality
  • LG Chem NanoH2O™ RO membranes are Standard 61 certified by NSF international for the production of drinking water.


Markets & Applications for LG Chem Reverse Osmosis Membranes

Power Generation
  • Boiler feed for steam generation
  • Cooling tower makeup water
  • FGD process makeup water
  • Treatment of cooling tower blowdown
  • Condensate polishing
  • NOx cooling water
Petrochemical
  • Desalting water Cooling tower makeup
  • Treatment of cooling tower blowdown
  • Boiler feed for steam generation
  • Condensate polishing
Automotive
  • Paint booths
  • Electrocoat and phosphatizing lines
  • Machining coolant makeup
  • Parts rinsing
Semiconductor
  • Cleaning and etching agents
  • Chip fabrication
  • Rinsing
  • Silicon wafer dicing
  • Cooling
  • Clean room humidification
Desalination
Municipal
Food & Beverage
  • Bottled water
  • Syrup blending
  • Flavor production
  • Boiler feed for steam production
  • Dairy and cheese making
  • Coffee and tea production

Physical Dimensions of LG Chem LG BW 4040 UES

INCHES (MM)
A 40 (1016)
B 3.9 (100)
C 0.75 (19)
D 1.1 (29)

LG BW 4040 UES fits nominal 4" ID pressure vessels.

Shipping Notes
  • Free Standard Shipping on $100+ Orders to the USA.
  • Except Preorder products are shipped in 48 hours.
  • Delivery to the USA:
  1. Standard Shipping : 3-10 business days
  • If time is of the essence, please consider selecting expedited delivery for faster service.
Exchange/Return Notes
  • We offer a 30-day return/exchange service after receiving.
  • Final sale items are not eligible for returns or exchanges.
  • To process your return/exchange, please contact us at [email protected]
  • Please click here for more details>>> Return & Exchange Policy
SKU: 84132130839

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Phil D
Pawtucket, US
★★★★★ 3
Nice material, stitching. Fit was unorthodox.
Size: Small, Color: Light Grey (Stretch Fabric)
putting on the suit for the first time, pants first, I thought that I had gotten a steal of a deal! The fabric was of good quality, had a good amount of stretch and was just long enough for my long legs. (typically wear a 32/34, but cuff the jeans once). It was the top section that I had an issue with. The shape of the shoulder-to-neck area was very pointed. As someone that has almost no trap muscle, this meant extra fabric that sagged on the my shoulders and gave me an unkempt look and I'm not sure this is something that a tailor can fix easily. If you have a little more beef up top, this would probably work for you. I wish it would have fit differently because I was impressed by the quality.
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Reviewed in the United States on October 31, 2023
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demetrius george
Pawtucket, US
★★★★★ 1
Do not waste your time
Size: 3X-Large, Color: Black
Wow! Lol extremely disappointed. I ordered this suit based off of the size chart and my accurate measurements. It was EXTREMELY small. So small that I could barely get my forearm through one sleeve. Not even close to my measurements. And to top it off, it was delivered in a clear bag, exposing the contents to the carrier and possible package thieves. So unprofessional.
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Reviewed in the United States on April 14, 2026
A
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Amazon Customer
Belleville, US
★★★★★ 5
Affordable, Stylish, and Fast Shipping!
Size: X-Small, Color: Black
I was hesitant to order this suit for my son’s homecoming, but wow! The quality is outstanding, it fit perfectly with no alterations, and honestly looked better than an overpriced fitted suit. He received tons of compliments, and I’ll be ordering more soon. Plus, it arrived the very next day. Highly recommend!
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Reviewed in the United States on October 2, 2025
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Karla C
Louisville, US
★★★★★ 5
pants were a little long but easy to fix
Size: Small, Color: Dark Black, Size: Small, Color: Dark Black
No regrets whatsoever about getting this tuxedo the quality was great the material felt very nice and it looks high quality the pants were a tiny bit too long but easy to get fixed and is wrinkle resistant honestly this product is worth every penny
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Reviewed in the United States on November 6, 2025
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Amazon Customer
Draper, US
★★★★★ 5
Was good for the price .
Size: 3X-Large, Color: Dark Black
The tux fit correctly by using the size chart on the product window I used.
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Reviewed in the United States on May 18, 2026

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