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

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