Toray TM 720 D400 8040 is an 8-inch × 40-inch reverse osmosis membrane element designed for high-performance water treatment applications, offering high permeate flow and reliable salt rejection.
The Toray TM720D-400 8040 is a high-rejection brackish water reverse osmosis (RO) membrane designed for reliable and efficient water purification in municipal, industrial, and water-reuse applications. It is part of Toray's TM700D Series and features a cross-linked, fully aromatic polyamide composite membrane construction designed to provide high salt rejection and stable permeate quality. With a standard 8040 configuration, the TM720D-400 provides approximately 400 ft² (37 m²) of active membrane area and a nominal product flow rate of 11,000 GPD (41.6 m³/day) under standard test conditions. The membrane offers 99.80% nominal salt rejection, with a minimum salt rejection of 99.65%. The membrane is designed for applications requiring consistent removal of dissolved salts and contaminants from brackish water. Its 34-mil feed spacer and robust membrane construction support dependable operation when the RO system is properly designed and supplied with suitable pretreatment. Key Product Benefits High salt rejection of up to 99.80% nominal Nominal permeate flow of approximately 11,000 GPD (41.6 m³/day) 400 ft² (37 m²) active membrane area Standard 8-inch × 40-inch (8040) configuration Cross-linked, fully aromatic polyamide composite construction 34-mil feed spacer Suitable for municipal drinking-water, industrial process-water, and water-reuse applications Designed for stable performance and high-quality permeate production Typical Applications The Toray TM720D-400 can be used in: Brackish water RO systems Industrial water treatment plants Municipal drinking-water treatment Process-water production Water-reuse systems Boiler-feed water pretreatment Demineralization systems General industrial RO applications The actual membrane performance depends on feed-water quality, temperature, pressure, recovery, pretreatment, and system configuration. Toray's published nominal flow data are based on 225 psi pressure, 25°C feed temperature, 2,000 mg/L NaCl, 15% recovery, and pH 7. Product Format Brand: Toray Series: TM700D Model: TM720D-400 Membrane Size: 8040 Membrane Diameter: Approximately 7.9 inches (201 mm) Membrane Length: 40 inches (1,016 mm) Active Membrane Area: 400 ft² (37 m²) Nominal Product Flow: 11,000 GPD (41.6 m³/day) Nominal Salt Rejection: 99.80% Minimum Salt Rejection: 99.65% Feed Spacer: 34 mil Membrane Type: Cross-linked fully aromatic polyamide composite Operating Considerations Proper pretreatment is essential for maintaining membrane performance and service life. Feed water should be adequately filtered and conditioned before entering the RO system. Operating conditions should remain within the manufacturer's specified limits, and membrane fouling, scaling, and exposure to oxidizing agents should be controlled. The TM720D-400 is rated for a maximum operating pressure of 600 psi (4.1 MPa) and a maximum feed-water temperature of 45°C, with a continuous operating pH range of approximately 2–11. For accurate membrane selection and RO plant design, the actual feed-water analysis, required permeate flow, recovery rate, temperature, pressure, and pretreatment system should be evaluated before installation.
Model: TM 720 D400 Capacity: 11,000 GPD (41.6 m³/day)
Brand: Toray Series: TM700D Model: TM720D-400 Membrane Type: Brackish Water RO Membrane Configuration: Spiral-Wound Membrane Construction: Cross-linked fully aromatic polyamide composite Element Size: 8040 (8" × 40") Active Membrane Area: 400 ft² (37 m²) Nominal Permeate Flow: 11,000 GPD (41.6 m³/day) Nominal Salt Rejection: 99.80% Minimum Salt Rejection: 99.65% Feed Spacer: 34 mil Maximum Operating Pressure: 600 psi (4.1 MPa) Maximum Operating Temperature: 45°C Continuous Operating pH: 2–11 Membrane Diameter: Approx. 7.9" (201 mm) Membrane Length: 40" (1,016 mm) Typical Test Pressure: 225 psi Typical Test Temperature: 25°C Standard Test Feed: 2,000 mg/L NaCl Standard Test Recovery: 15%
High salt rejection up to 99.80% High permeate flow of approximately 11,000 GPD 400 ft² (37 m²) active membrane area Standard 8040 (8" × 40") membrane configuration Cross-linked, fully aromatic polyamide composite membrane Spiral-wound membrane design for efficient filtration 34-mil feed spacer for improved feed-channel flow Designed for brackish water RO applications Suitable for municipal and industrial water treatment Reliable removal of dissolved salts and contaminants Compatible with properly designed RO pretreatment systems Designed for stable performance and consistent permeate quality Suitable for industrial water reuse and process-water applications
Brackish water reverse osmosis (BWRO) systems Municipal drinking water treatment plants Industrial water treatment systems Process water production Industrial water reuse and recycling Boiler feed-water treatment Pretreatment for demineralization systems Commercial RO water treatment plants Groundwater desalination Surface water treatment High-TDS water purification General industrial water purification applications
The Toray TML20D-400 8040 is an 8" × 40" brackish water RO membrane designed for efficient dissolved-salt removal and reliable performance in commercial, industrial, and water-treatment applications.
Hydranautics CPA3-8040 is an industrial brackish water RO membrane designed for high salt rejection, reliable permeate flow, and efficient water purification. Suitable for commercial and industrial RO plants and standard 8" × 40" membrane housings.
Hydranautics CPA5-LD-8040 is an 8" x 40" brackish water reverse osmosis (BWRO) membrane designed for industrial and commercial water treatment applications. It offers high salt rejection, reliable permeate flow and low-pressure operation, making it suitable for efficient water purification and demanding RO systems.