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Pallas ULP 4040HF 4" x 40" High Flow Reverse Osmosis Membrane Element

SKU: 11066000012
£115.00
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Technical Resources
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Pallas ULP 4040HF 4" x 40" High Flow Reverse Osmosis Membrane Element

High Capacity ULP 4040HF Reverse Osmosis Membrane

The Pallas ULP 4040HF reverse osmosis membrane is a premium 4" x 40" High Flow membrane element designed to maximise water production while maintaining outstanding water quality. Engineered with ultra-low pressure membrane technology, the ULP 4040HF delivers higher permeate flow than standard 4040 membranes, reducing operating costs and improving system efficiency.

Ideal for commercial and industrial reverse osmosis systems, the ULP 4040HF offers excellent salt rejection, reliable performance and compatibility with standard 4040 membrane housings.

Why Choose the Pallas ULP 4040HF?

  • High Flow design increases water production
  • Ultra-low pressure operation reduces energy consumption
  • Stable 99.5% salt rejection
  • Compatible with all standard 4040 membrane pressure vessels
  • Excellent choice for high-demand commercial RO systems
  • Reliable long service life with proper pre-treatment
  • Manufactured for consistent, dependable performance

Applications

The ULP 4040HF membrane is suitable for:

  • Commercial reverse osmosis systems
  • Industrial water treatment
  • Drinking water production
  • Food & beverage processing
  • Pharmaceutical water systems
  • Laboratory purified water
  • Process water treatment
  • Boiler feed water preparation
  • High-output RO systems

Key Features

  • High Flow membrane technology
  • Ultra-low pressure operation for reduced energy costs
  • High permeate production of 12.1 m³/day (3,200 GPD)
  • Stable 99.5% salt rejection
  • Minimum salt rejection of 99.2%
  • Large active membrane area for maximum output
  • Fits standard 4040 RO membrane housings
  • Built for continuous commercial operation

Technical Specifications

Specification Value
Product Pallas ULP 4040HF High Flow
Membrane Size 4" x 40"
Permeate Flow 12.1 m³/day (3,200 GPD)
Stable Salt Rejection 99.5%
Minimum Salt Rejection 99.2%
Active Membrane Area 8.7 m² (94 ft²)
Feed Spacer 28 mil
Maximum Operating Pressure 600 psi
Maximum Operating Temperature 45°C
Operating pH Range 2–11
Cleaning pH Range 1–13
Maximum Pressure Drop 15 psi
Maximum SDI 5
Residual Chlorine <0.1 ppm

Technical specifications taken from the manufacturer's datasheet.

Standard Test Conditions

Performance figures are based on the following test conditions:

  • Feed Water NaCl Concentration: 2,000 ppm
  • Test Pressure: 150 psi
  • Water Temperature: 25°C
  • Feed Water pH: 7–8
  • Recovery Rate: 15%

Actual membrane performance will vary depending on feed water quality and operating conditions. Salt rejection should be verified after 24–48 hours of continuous operation. Individual membrane flow rates may vary by ±15%.

Compatible Systems

The Pallas ULP 4040HF is designed to fit all standard 4" x 40" reverse osmosis membrane housings, making it an ideal replacement for many leading commercial RO membrane brands.

Benefits of Choosing the Pallas ULP 4040HF

The ULP 4040HF offers higher water production without sacrificing water quality. Its high-flow design enables greater permeate output while operating at ultra-low pressure, helping reduce energy consumption and improve overall system efficiency. With excellent salt rejection and compatibility with standard 4040 systems, it is an outstanding choice for commercial and industrial water treatment applications.

Why Buy from Us?

  • Genuine Pallas membrane element
  • Fast UK delivery
  • Competitive pricing
  • Expert technical advice
  • Suitable replacement for many OEM membranes
  • Ideal for commercial and industrial RO systems

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Frequently Asked Questions

What is the daily water production capacity of the Pallas LP 2521 membrane?
The Pallas LP 2521 membrane produces up to 300 GPD (1.13 m³/day), making it suitable for high-demand commercial water purification applications.
How does the Pallas LP 2521 membrane ensure efficient salt rejection?
This membrane offers a stable salt rejection rate of 99.3%, effectively removing dissolved salts and contaminants to provide high-quality purified water.
Is the Pallas LP 2521 membrane compatible with standard RO systems?
Yes, the Pallas LP 2521 membrane is compatible with many standard 2521 membrane housings, allowing for easy replacement and integration into existing systems.
What are the operating conditions for the Pallas LP 2521 membrane?
The membrane operates effectively at pressures up to 600 psi, temperatures from 2°C to 45°C, and pH levels between 2 and 11, ensuring versatile performance in various water conditions.
How should I maintain or clean the Pallas LP 2521 membrane to ensure longevity?
Regular cleaning with solutions within the pH range of 1-13, and ensuring free chlorine levels are below 0.1 ppm, will help maintain optimal performance and extend the membrane’s service life.
What are the main benefits of choosing the Pallas LP 4021 membrane for my commercial water system?
The Pallas LP 4021 membrane offers high water production up to 950 GPD, excellent salt rejection at 99.3%, and energy-efficient low-pressure operation, making it ideal for reliable and cost-effective commercial water purification.
How compatible is the Pallas LP 4021 with existing reverse osmosis systems?
This membrane is designed for compatibility with standard 4
What applications are best suited for the Pallas LP 4021 membrane?
The Pallas LP 4021 membrane is ideal for commercial and industrial water treatment, including food and beverage processing, pharmaceuticals, bottled water production, and process water systems.
What are the key technical specifications of the Pallas LP 4021 membrane?
The membrane measures 4
How should I care for and maintain the Pallas LP 4021 membrane to ensure long-lasting performance?
Ensure the feed water SDI is below 5, avoid chlorine exposure, and follow proper cleaning pH ranges (1-13). Regularly check pressure and salt rejection to maintain optimal performance.
What are the main advantages of the Pallas ULP 4040HF high flow reverse osmosis membrane?
The Pallas ULP 4040HF offers higher permeate flow, excellent salt rejection, and ultra-low pressure operation, which reduces energy costs and enhances system efficiency, making it ideal for high-demand commercial and industrial applications.
Can the Pallas ULP 4040HF membrane be used as a replacement for other standard 4040 membranes?
Yes, the Pallas ULP 4040HF is compatible with all standard 4040 membrane housings, making it easy to replace many OEM membranes while upgrading to a high flow, high efficiency model.
What makes the ULP 4040HF suitable for large-scale water treatment systems?
Its high permeate production capacity of 12.1 m³/day (3,200 GPD), combined with stable salt rejection and durability, makes the ULP 4040HF an excellent choice for large commercial and industrial reverse osmosis systems.
How does the ultra-low pressure technology of the ULP 4040HF benefit my water treatment system?
The ultra-low pressure technology reduces energy consumption, lowering operational costs while maintaining high water quality, which is particularly beneficial for continuous high-output systems.
What are the recommended maintenance and operating conditions for the Pallas ULP 4040HF membrane?
For optimal performance, ensure proper pre-treatment of feed water, operate within the specified pH range of 2–11, and monitor system pressure to stay below the maximum of 600 psi. Regular cleaning within the recommended pH range of 1–13 will also help extend membrane life.
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