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PWG 4040HR High Rejection Membrane Element 4" x 40"

SKU: 11062000008 | 1112020004
£304.16
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Product Description

Very high rejection, good productivity energy-saving polyamide element


Permeate flow: 2100 gpd (329 lph)*
Salt rejection: 99.3% minimum
Max operating pressure: 300 psi
Max temperature: 45°C
Max pressure drop: 10 psi (0.7 bar)
Max feed flow: 16 gpm (3.6m³/hr)
Max chlorine concentration: <0.1 ppm
Max feed water sdi (15 min): 5.0
Max turbidity: 1.0 NTU
Feed water pH: 3 - 10
Minimum ratio of concentrate to permeate flow: 5:1

* test conditions: 150 psi (10.3 bar) 25°C using 1500 ppm NaCL solution with 15% permeate recovery (pH 6.5 to 7).

Notice: Permeate flow for individual elements may vary + or -15 percent. Elements are vacuum sealed in a polyethylene bag containing less than 1.0% sodium meta-bisulfite and 10% propylene glycol solution.

Equivalent to:
Oltremare Low2-4040
Hydranautics ESPA2-4040


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Frequently Asked Questions

What are the main benefits of using the PWG 4040HR High Rejection Membrane Element 4" x 40"?
The PWG 4040HR High Rejection Membrane Element offers excellent salt rejection of at least 99.3%, high productivity with a permeate flow of 2100 gpd, and energy-efficient performance, making it ideal for high-quality water filtration systems.
How do I care for and maintain the PWG 4040HR High Rejection Membrane Element to ensure optimal performance?
Regularly flush the membrane to prevent fouling and monitor feed water parameters such as turbidity and chlorine levels, which should be kept below 0.1 ppm. Proper pretreatment and adherence to recommended operating conditions will extend the lifespan of the membrane.
How does the PWG 4040HR compare to similar membranes like Hydranautics ESPA2-4040?
The PWG 4040HR High Rejection Membrane Element provides comparable or superior salt rejection and permeate flow, with the added benefits of energy efficiency and flexibility under various operating conditions, making it a reliable choice for high rejection needs.
What are the key features of the PWG 4040HR High Rejection Membrane Element 4" x 40"?
The PWG 4040HR High Rejection Membrane provides very high rejection rates with a permeate flow of 2100 gpd and a minimum salt rejection of 99.3%. It's designed for energy-efficient performance with maximum operating conditions of 300 psi and 45°C.
How does the PWG 4040HR membrane perform in terms of salt rejection and water flow?
This membrane achieves at least 99.3% salt rejection, ensuring high purity permeate, and has a permeate flow rate of 2100 gallons per day under test conditions, making it suitable for high-demand water treatment applications.
What are the operating conditions and water quality limits for this membrane?
The membrane operates best with feed water pH levels between 3 and 10, a maximum temperature of 45°C, and feed water with turbidity less than 1.0 NTU. It can handle a maximum chlorine concentration of less than 0.1 ppm and has a maximum feed flow of 16 gpm.
Is the PWG 4040HR membrane compatible with other brands or models?
Yes, this membrane is equivalent to models like Oltremare Low2-4040 and Hydranautics ESPA2-4040, ensuring compatibility with systems that use similar specifications.
How should I care for and store the PWG 4040HR High Rejection Membrane?
The membrane is vacuum sealed in a polyethylene bag containing less than 1.0% sodium meta-bisulfite and 10% propylene glycol solution to preserve its condition. Store it in a cool, dry place and handle it according to manufacturer instructions for optimal performance.
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