Hydranautics Membranes

Salt Rejection: 99.4% (99.2% minimum) · Permeate Flow: 12,000 gpd (45.4 m³/d) · Permeate Recovery: 15%

The ESPA1 is a spiral wound reverse osmosis membrane element designed for brackish water treatment.

Salt Rejection: 99.4 % (98.0 % minimum) · Permeate Flow: 250 gpd (0.9 m³/d) · Minimum Ratio of Concentrate to Permeate Flow for any element: 5:1

This Hydranautics ESPA-2514 is a spiral-wound composite polyamide membrane element designed for reverse osmosis and nanofiltration applications.

Salt Rejection: 99.4 % (98.0 % minimum) · Permeate Flow: 350 gpd (1.3 m³/d) · Minimum Ratio of Concentrate to Permeate Flow for any element: 5:1

The Hydranautics ESPA-2521 is a spiral wound composite polyamide membrane element designed for reverse osmosis and nanofiltration applications.

Salt Rejection: 99.4 % (98.0 % minimum) · Permeate Flow: 750 gpd (2.84 m³/d) · Minimum Ratio of Concentrate to Permeate Flow for any element: 5:1

The ESPA-2540 is a spiral-wound composite polyamide membrane element designed for reverse osmosis and nanofiltration applications.

Salt Rejection: 99.4 % (98.0 % minimum) · Permeate Flow: 500 gpd (1.9 m³/d) · Minimum Ratio of Concentrate to Permeate Flow for any element: 5:1

The Hydranautics ESPA-4014 is a spiral wound reverse osmosis membrane element designed for water treatment applications.

Salt Rejection: 99.4 % (98.0% minimum) · Permeate Flow: 1,000 gpd (3.8 m³/d) · Minimum Ratio of Concentrate to Permeate Flow for any element: 5:1

The Hydranautics ESPA-4021 is a spiral wound composite polyamide membrane element designed for reverse osmosis and nanofiltration applications.

Salt Rejection: 99.4 % (98.0% minimum) · Permeate Flow: 930 gpd (3.5 m³/d) · Minimum Ratio of Concentrate to Permeate Flow for any element: 5:1

The ESPA-4611 is a spiral wound composite polyamide membrane element designed for reverse osmosis applications.

Salt Rejection: 99.4 % (97.5% minimum) · Permeate Flow: 3600 gpd (13.6 m³/d) · Minimum Ratio of Concentrate to Permeate Flow for any element: 5:1

This Hydranautics ESPA-4641 is a spiral wound composite polyamide membrane element designed for reverse osmosis and nanofiltration applications.

Salt Rejection (Nominal): 99.0 % · Permeate Flow: 50 gpd (0.19 m³/d) · Minimum Ratio of Concentrate to Permeate Flow for any element: 5:1

The ESPA-50 is a spiral wound composite polyamide membrane element designed for reverse osmosis and nanofiltration applications.

Salt Rejection (Nominal): 98.0 % · Permeate Flow: 75 gpd (0.28 m³/d) · Minimum Ratio of Concentrate to Permeate Flow for any element: 5:1

The ESPA-75 is a spiral wound reverse osmosis membrane element with a composite polyamide construction and HYDRAblock™ antibacterial technology.

Minimum Salt Rejection: 98.0 % · Permeate Flow: 500 gpd (1.9 m³/d) · Minimum Ratio of Concentrate to Permeate Flow for any Element: 5:1

This Hydranautics ESPA1-4014 is a spiral wound composite polyamide membrane element designed for reverse osmosis and nanofiltration applications.

Salt Rejection: 99.3 % (99.0 % Minimum) · Permeate Flow: 2600 gpd (9.8 m³/d) · Minimum Ratio of Concentrate to Permeate Flow for any Element: 5:1

ESPA1-4040 is an ultrafiltration module for pretreatment, clarification, and barrier filtration duties in water-treatment systems.

Salt Rejection: 99.4% (99.2% minimum) · Permeate Flow: 2,450 gpd (9.27 m³/d) · Maximum Feed Flow: 16 gpm (3.6 m³/h)

ESPA1-LD-4040 is an ultrafiltration module for pretreatment, clarification, and barrier filtration duties in water-treatment systems.

Salt Rejection: 99.3 % (99.0 % minimum) · Permeate Flow: 12,000 gpd (45.4 m³/d) · Minimum Ratio of Concentrate to Permeate Flow for any Element: 5:1

The Hydranautics ESPA1-8040 is a spiral-wound composite polyamide membrane element designed for reverse osmosis and nanofiltration applications.

Salt Rejection: 99.6% (99.4% minimum) · Permeate Flow: 41,000 gpd (155.2 m³/d) · Minimum Ratio of Concentrate to Permeate Flow for any Element: 5:1

The Hydranautics ESPA2 1640 is a spiral-wound reverse osmosis membrane element with a composite polyamide construction and 1700 ft² of active area. It offers 99.

Salt Rejection: 99.6 % (99.4 % minimum) · Permeate Flow: 1900 gpd (7.2 m³/d) · Minimum Ratio of Concentrate to Permeate Flow for any Element: 5:1

ESPA2-4040 is an ultrafiltration module for pretreatment, clarification, and barrier filtration duties in water-treatment systems.

Salt Rejection: 99.6 % (99.4 % minimum) · Permeate Flow: 2000 gpd (7.57 m³/d) · Minimum Ratio of Concentrate to Permeate Flow for any Element: 5:1

ESPA2-LD-4040 is an ultrafiltration module for pretreatment, clarification, and barrier filtration duties in water-treatment systems.

Salt Rejection: 99.6% (99.5% minimum) · Permeate Flow: 10,000 gpd (37.9 m³/d) · Maximum Feed Flow: 85 gpm (19.3 m³/h)

The ESPA2-LD is a low fouling spiral wound membrane element for reverse osmosis and nanofiltration applications.

Salt Rejection: 99.6% (99.5% minimum) · Permeate Flow: 12,000 gpd (45.4 m³/d) · Maximum Feed Flow: 85 gpm (19.3 m³/h)

This is a low-fouling, spiral-wound reverse osmosis membrane element for brackish water applications, featuring a composite polyamide membrane.

Salt Rejection: 99.6% (99.5% minimum) · Boron Rejection (Typical)@ pH = 10: 93.0 %† · Permeate Flow: 12,000 gpd (45.4 m³/d)

The Hydranautics ESPA2 MAX is a spiral-wound composite polyamide membrane element designed for reverse osmosis applications. It offers a typical permeate flow of 12.

Salt Rejection (minimum): 99.5% · Permeate Flow: 0.13 m³/d (2.8 gpd) · Permeate Recovery: 15%

This Hydranautics ESPA2-365 is a spiral wound polyamide composite membrane element designed for reverse osmosis and nanofiltration applications.

Salt Rejection: 99.6 % (99.5 % minimum) · Permeate Flow: 9,000 gpd (34.1 m³/d) · Minimum Ratio of Concentrate to Permeate Flow for any Element: 5:1

This Hydranautics ESPA2-8040 is a spiral-wound, composite polyamide membrane element designed for reverse osmosis and nanofiltration applications.

Salt Rejection: 99.6% (99.5% minimum) · Boron Rejection (Average) @ pH = 10: 93.0%† · Permeate Flow: 12,000 gpd (45.4 m³/d)

The Hydranautics ESPA2+ is a spiral wound membrane element for reverse osmosis applications, featuring composite polyamide construction.

Salt Rejection: 99.6 % (99.5 % minimum) · Boron Rejection (Typical) @ pH = 10: 93.0 % (when tested at standard test conditions with 5.0 ppm Boron in feed solution) · Permeate Flow: 12,000 gpd (45.4 m³/d)

The Hydranautics ESPA-MAX-8040 is a spiral wound reverse osmosis membrane element with a composite polyamide membrane. It offers 12.

Salt Rejection: 98.5 % · Guaranteed Minimum Rejection: 99.4% · Permeate Flow: 3000 gpd (11.4 m³/d)

ESPA3-4040 is an ultrafiltration module for pretreatment, clarification, and barrier filtration duties in water-treatment systems.

Salt Rejection: 99.2 % (99.0 % minimum) · Permeate Flow: 2,500 gpd (9.46 m³/d) · Minimum Ratio of Concentrate to Permeate Flow for any Element: 5:1

ESPA4-4040 is an ultrafiltration module for pretreatment, clarification, and barrier filtration duties in water-treatment systems.

Salt Rejection: 99.2% (99.0% minimum) · Permeate Flow: 2,350 gpd (8.90 m³/d) · Maximum Feed Flow: 16 gpm (3.6 m³/h)

ESPA4-LD-4040 is an ultrafiltration module for pretreatment, clarification, and barrier filtration duties in water-treatment systems.

Salt Rejection: 99.2 % (99.0 % minimum) · Permeate Recovery: 15% · Permeate Flow: 12,000 gpd (45.4 m³/d) (individual elements may vary ±15%)

The ESPA4-8040 is a spiral-wound reverse osmosis membrane element with a composite polyamide membrane. It features a nominal permeate flow of 12.

Salt Rejection: 99.2% (99.0% minimum) · Permeate Flow: 12,000 gpd (45.4 m³/d) · Maximum Feed Flow: 85 gpm (19.3 m³/h)

The ESPA4-LD is a low fouling spiral wound reverse osmosis membrane element with a composite polyamide material.

Salt Rejection: 99.2% (99.0% minimum) · Permeate Flow: 13,200 gpd (50 m³/d) · Maximum Feed Flow: 75 gpm (17.0 m³/h)

The ESPA4 MAX is a spiral wound reverse osmosis membrane element with a composite polyamide surface designed for high rejection applications.

Salt Rejection: 99.3% (99.0% minimum) · Permeate Recovery: 15% · Permeate Flow: 9,000 gpd (34.1 m³/d) (individual elements may vary ±15 percent)

The Hydranautics ESPA B-MAX is a spiral wound composite polyamide membrane element designed for reverse osmosis and nanofiltration applications.

Salt Rejection: 99.3% (99.1% minimum) · Boron Rejection (Average) @ pH = 10: 96.0 %† · Permeate Flow: 34,000 gpd (128.7 m³/d)

This Hydranautics ESPA B-1640 is a spiral wound composite polyamide membrane element designed for reverse osmosis and nanofiltration applications.

Salt Rejection: 99.5% (99.2% minimum) · Permeate Flow: 2,250 gpd (8.5 m³/d) · Minimum Ratio of Concentrate to Permeate Flow for any Element: 5:1

CPA-4040E is an ultrafiltration module for pretreatment, clarification, and barrier filtration duties in water-treatment systems.

Salt Rejection: 99.7% (99.5% minimum) · Permeate Flow: 10,000 gpd (37.9 m³/d) · Minimum Ratio of Concentrate to Permeate Flow for any Element: 5:1

The Hydranautics CPA2 is a composite polyamide spiral wound reverse osmosis membrane element designed for high salt rejection. It offers a permeate flow of 10.

Salt Rejection: 99.5% (99.2% minimum) · Permeate Flow: 2,250 gpd (8.5 m³/d) · Minimum Ratio of Concentrate to Permeate Flow for any Element: 5:1

CPA2-4040 is an ultrafiltration module for pretreatment, clarification, and barrier filtration duties in water-treatment systems.

Salt Rejection: 99.7% (99.5% minimum) · Permeate Flow: 10,000 gpd (37.9 m³/d) · Minimum Ratio of Concentrate to Permeate Flow for any Element: 5:1

The Hydranautics CPA2-8040 is a spiral-wound composite polyamide reverse osmosis membrane element with 365 ft² of active area. It offers a high salt rejection of 99.

Salt Rejection: 99.7% (99.6% minimum) · Permeate Flow: 11,000 gpd (41.6 m³/d) · Minimum Ratio of Concentrate to Permeate Flow for any Element: 5:1

The CPA3 is a spiral wound composite polyamide membrane element designed for reverse osmosis and nanofiltration applications. It offers a nominal salt rejection of 99.

Salt Rejection: 99.7% (99.6% minimum) · Permeate Flow: 11,000 gpd (41.6 m³/d) · Minimum Ratio of Concentrate to Permeate Flow for any Element: 5:1

The Hydranautics CPA3-8040 is a composite polyamide spiral wound membrane element designed for reverse osmosis applications.

Salt Rejection: 99.7% (99.6% minimum) · Permeate Flow: 11,000 gpd (41.6 m³/d) · Minimum Ratio of Concentrate to Permeate Flow for any Element: 5:1

The Hydranautics CPA3-LD-8040 is a spiral wound composite polyamide membrane element for reverse osmosis applications.

Salt Rejection (Average): 99.7 % · Permeate Flow: 6000 gpd (22.7 m³/d) · Minimum Ratio of Concentrate to Permeate Flow for any Element: 5:1

The CPA4 is a spiral wound composite polyamide membrane element designed for reverse osmosis and nanofiltration applications.

Salt Rejection: 99.7% (99.6% minimum) · Permeate Flow: 11,000 gpd (41.6 m³/d) · Minimum Ratio of Concentrate to Permeate Flow for any Element: 5:1

The CPA5-LD is a low fouling spiral wound membrane element designed for reverse osmosis and nanofiltration applications.

Salt Rejection: 99.7% (99.5% minimum) · Permeate Flow: 2,100 gpd (7.95 m³/d) · Minimum Ratio of Concentrate to Permeate Flow for any Element: 5:1

CPA5-LD-4040 is an ultrafiltration module for pretreatment, clarification, and barrier filtration duties in water-treatment systems.

Salt Rejection: 99.7 % (99.6 % minimum) · Permeate Flow: 11,000 gpd (41.6 m³/d) · Minimum Ratio of Concentrate to Permeate Flow for any Element: 5:1

The CPA5-LD-8040 is a low fouling spiral wound reverse osmosis membrane element with a composite polyamide membrane.

Salt Rejection: 99.7 % (99.6% minimum) · Permeate Recovery: 15% · Permeate Flow: 12,000 gpd (45.5 m³/d)

The Hydranautics CPA5 MAX is a spiral wound composite polyamide reverse osmosis membrane element with 440 ft² of active area.

Salt Rejection: 99.7 % (99.6% minimum) · Permeate Flow: 12,000 gpd (45.5 m³/d) · Minimum Ratio of Concentrate to Permeate Flow for any Element: 5:1

The Hydranautics CPA5 MAX-8040 is a spiral-wound reverse osmosis membrane element with a composite polyamide configuration and 440 ft² of nominal membrane area.

Salt Rejection: 99.8% (99.7% minimum) · Permeate Flow: 11,500 gpd (43.5 m³/d) · Maximum Feed Flow: 75 gpm (17.0 m³/h)

This is a Hydranautics CPA7-LD low fouling spiral wound membrane element for reverse osmosis and nanofiltration applications.

% Minimum Rejection: 99.0 · Flow - GPD (m³/d): 10,000 (37.8) · Area - ft² (m²): 365 (33.9)

The LFC1 is a low-fouling composite reverse osmosis membrane element with a neutral surface charge designed for enhanced resistance to organic foulants. It offers 99.

Salt Rejection: 99.7% (99.5% minimum) · Permeate Flow: 11,000 gpd (41.6 m³/d) · Maximum Feed Flow: 85 gpm (19.3 m³/h)

The Hydranautics LFC3-LD is a low fouling spiral wound reverse osmosis membrane element with a composite polyamide, neutrally charged surface.

Salt Rejection: 99.7% (99.5% minimum) · Permeate Flow: 2,100 gpd (7.95 m³/d) · Minimum Ratio of Concentrate to Permeate Flow for any Element: 5:1

LFC3-LD-4040 is an ultrafiltration module for pretreatment, clarification, and barrier filtration duties in water-treatment systems.

Salt Rejection: 99.7 % (99.5 % minimum) · Permeate Flow: 11,000 gpd (41.6 m³/d) · Minimum Ratio of Concentrate to Permeate Flow for any Element: 5:1

The Hydranautics LFC3-LD-8040 is a low fouling, neutrally charged composite polyamide reverse osmosis membrane element with an active area of 400 ft². It offers 99.

Permeate Recovery: 15% · Maximum Applied Pressure: 600 psig (4.1 MPa) at 65 °C, 200 psig (1.4 MPa) at 90 °C (see Chart 1 for detail) · Maximum Pressure Drop for Each Element: 15 psi

The HYDRApro 501-2540 is a low-fouling spiral wound membrane element designed for industrial RO and NF applications.

CaCl₂ Rejection: 92% · CaCl₂ Rejection (minimum/maximum): 87% / 96% · Expected calcium rejection for a typical 500 ppm well water: 96% at 13 gfd operating flux and 25 ºC

ESNA1-LF1-LD-4040 is an ultrafiltration module for pretreatment, clarification, and barrier filtration duties in water-treatment systems.

CaCl₂ Rejection: 86% · CaCl₂ Rejection (minimum/maximum): 83%/90% · Minimum Ratio of Concentrate to Permeate Flow for any Element: 5:1

This is a Hydranautics ESNA1-LF2-LD Low Fouling Spiral Wound membrane element utilizing composite polyamide for reverse osmosis applications.

CaCl₂ Rejection: 86% · CaCl₂ Rejection (minimum/maximum): 83%/90% · Permeate Flow: 10,500 gpd (39.7 m³/d)

The ESNA1-LF2-8040 is a low fouling spiral wound reverse osmosis membrane element with a composite polyamide membrane.

CaCl₂ Rejection: 92% · CaCl₂ Rejection (minimum/maximum): 87%/96% · Stable Performance Permeate Flow: 8,400 gpd (31.8 m³/d)

The ESNA1-LF-LD is a low fouling, spiral wound composite polyamide membrane element designed for reverse osmosis applications.

CaCl₂ Rejection: 90% · Permeate Flow: 10,500 gpd (39.7 m³/d) · Minimum Ratio of Concentrate to Permeate Flow for any Element: 5:1

The Hydranautics ESNA1-LF2-LD is a low fouling spiral wound reverse osmosis membrane element.

CaCl₂ Rejection: 90% · CaCl₂ Rejection (minimum/maximum): 85% / 95% · Permeate Flow: 2,000 gpd (7.6 m³/d)

ESNA-LF2-LD-4040 is an ultrafiltration module for pretreatment, clarification, and barrier filtration duties in water-treatment systems.

MgSO₄ Rejection (Nominal): 99.7% (99.5% minimum) · Permeate Flow (Nominal): 11,000 gpd (41.6 m³/d) · Permeate Recovery: 15%

The NANO-BW is a spiral-wound composite polyamide membrane element for nanofiltration applications. It offers a nominal permeate flow of 11,000 gpd with 99.

MgSO₄ Rejection: 99.7% (99.5% minimum) · Permeate Flow (Nominal): 12,000 gpd (45.4 m³/d) · Minimum Ratio of Concentrate to Permeate Flow for any Element: 5:1

This is a spiral wound reverse osmosis membrane element with a composite polyamide membrane. It has a nominal permeate flow of 12.

MgSO₄ Rejection: 99.8% (99.6% minimum) · Nominal Chloride Rejection: 25% · Nominal Sulfate Rejection: 99.8%

The NANO-SW is a spiral-wound composite polyamide membrane element designed for nanofiltration applications, with an active area of 400 ft².

Salt Rejection: 99.4 % (99.0 % minimum) · Permeate Flow: 110 gpd (0.4 m³/d) · Minimum Ratio of Concentrate to Permeate Flow for any element: 5:1

This Hydranautics SWC-2514 is a spiral wound composite polyamide membrane element for reverse osmosis applications. It offers 99.

Salt Rejection: 99.4 % (99.0 % minimum) · Permeate Flow: 220 gpd (0.8 m³/d) · Minimum Ratio of Concentrate to Permeate Flow for any element: 5:1

The SWC-2521 is a spiral-wound reverse osmosis membrane element with a composite polyamide leaf. It features a maximum applied pressure of 1.

Salt Rejection: 99.4 % (99.0 % minimum) · Permeate Flow: 625 gpd (2.4 m³/d) · Minimum Ratio of Concentrate to Permeate Flow for any element: 5:1

The Hydranautics SWC-2540 is a spiral wound composite polyamide membrane element designed for reverse osmosis applications. It offers a permeate flow of 625 gpd with 99.

Salt Rejection: 99.4 % (99.0 % minimum) · Permeate Flow: 370 gpd (1.4 m³/d) · Minimum Ratio of Concentrate to Permeate Flow for any element: 5:1

This Hydranautics SWC-4014 is a spiral wound composite polyamide reverse osmosis membrane element with a 16.8 ft² active area. It offers 370 gpd of product water at 99.

Salt Rejection: 99.4 % (99.0% minimum) · Permeate Flow: 640 gpd (2.4 m³/d) · Minimum Ratio of Concentrate to Permeate Flow for any element: 5:1

This is a Hydranautics SWC-4021 spiral wound composite polyamide membrane element designed for reverse osmosis applications.

Minimum Rejection: 99.5% · Permeate Flow: 1,200 gpd (4.5 m³/d) · Minimum Ratio of Concentrate to Permeate Flow for any Element: 5:1

SWC1-4040 is an ultrafiltration module for pretreatment, clarification, and barrier filtration duties in water-treatment systems.

Minimum Salt Rejection: 99.0% · Permeate Recovery: 10% · Permeate Flow: 7.5 m³/d (1,500 gpd)

SWC2-4040 is an ultrafiltration module for pretreatment, clarification, and barrier filtration duties in water-treatment systems.

Permeate Flow: 7,000 gpd (26.5 m³/d) · Minimum Ratio of Concentrate to Permeate Flow for any Element: 5:1 · Maximum Feed Flow: 75 GPM (17.0 m³/h)

This is a Hydranautics SWC3-plus spiral wound reverse osmosis membrane element designed for high-salinity water treatment. It offers nominal salt rejection of 99.

Nominal Rejection: 99.8 % · Minimum Rejection: 99.7 % · Permeate Flow: 6,500 gpd (24.6 m³/d)

This Hydranautics SWC4-plus is a spiral wound reverse osmosis membrane element designed for high-salinity water desalination.

Salt Rejection: 99.8 % (99.7 % minimum) · Boron Rejection (Typical): 93.0%† · Permeate Flow: 6,500 gpd (24.6 m³/d)

This Hydranautics SWC4+ 8040 is a spiral wound composite polyamide membrane element designed for reverse osmosis applications. It offers a typical salt rejection of 99.

Selection cues: rejection · permeate flow · membrane area and operating pressure

This is a Hydranautics SWC4B-8040 reverse osmosis membrane element for water treatment applications.

Salt Rejection: 99.8 % (99.7 % minimum) · Boron Rejection (Typical): 95.0%† · Permeate Flow: 7,200 gpd (27.3 m³/d)

The SWC4B-MAX-8040 is a spiral-wound composite polyamide membrane element designed for reverse osmosis and nanofiltration applications. It offers 440 ft² of active area.

Salt Rejection: 99.8% (99.7% minimum) · Permeate Flow: 6,500 gpd (24.6 m³/d) · Permeate Recovery: 10%

This low fouling spiral wound composite polyamide membrane element is designed for reverse osmosis and nanofiltration applications, featuring a 400 ft² active area.

Salt Rejection: 99.8 % (99.6 % minimum) · Boron Rejection (Average): 93.0%† · Permeate Flow: 29,000 gpd (109.8 m³/d)

This is a Hydranautics SWC4 1640 spiral wound composite polyamide reverse osmosis membrane element designed for high-salinity water applications.

Salt Rejection: 99.8 % (99.7 % minimum) · Boron Rejection (Typical): 95.0%† (tested at standard test conditions with 5.0 ppm Boron in feed solution) · Permeate Flow: 6,500 gpd (24.6 m³/d)

The Hydranautics SWC4B-LD is a spiral wound reverse osmosis membrane element featuring low fouling technology and a composite polyamide membrane.

Salt Rejection: 99.8 % (99.7 % minimum) · Boron Rejection (Typical): 95.0%† · Permeate Flow: 7,200 gpd (27.3 m³/d)

This is a Hydranautics SWC4B MAX spiral wound reverse osmosis membrane element designed for high-salinity water applications.

Salt Rejection: 99.8% (99.7% minimum) · Permeate Flow: 7,200 gpd (27.3 m³/d) · Maximum Feed Flow: 75 gpm (17.0 m³/h)

The SWC4 MAX is a spiral-wound composite polyamide membrane element for reverse osmosis applications, offering 7,200 gpd permeate flow and 99.8% salt rejection.

Salt Rejection: 99.8 % (99.65% minimum) · Boron Rejection (Average): 92.0 %† · Permeate Flow: 36,000 gpd (136.3 m³/d)

This Hydranautics SWC5 1640 is a spiral wound reverse osmosis membrane element with a composite polyamide membrane and 1700 ft² active area. It offers 36.

Salt Rejection: 99.7% (99.5% minimum) · Permeate Flow: 1,900 gpd (7.2 m³/d) · Maximum Feed Flow: 16 GPM (3.6 m³/h)

SWC5-4040 is an ultrafiltration module for pretreatment, clarification, and barrier filtration duties in water-treatment systems.

Salt Rejection: 99.8% (99.7% minimum) · Permeate Flow: 9,000 gpd (34.1 m³/d) · Maximum Feed Flow: 85 gpm (19.3 m³/h)

This is a Hydranautics SWC5-LD low fouling spiral wound composite polyamide reverse osmosis membrane element. It features a 9,000 gpd permeate flow, 99.8% salt rejection.

Salt Rejection: 99.7% (99.5% minimum) · Permeate Flow: 1,750 gpd (6.62 m³/d) · Maximum Feed Flow: 16 gpm (3.6 m³/h)

SWC5-LD-4040 is an ultrafiltration module for pretreatment, clarification, and barrier filtration duties in water-treatment systems.

Salt Rejection: 99.8 % (99.7 % minimum) · Boron Rejection (Typical): 92.0%† · Permeate Flow: 9,900 gpd (37.5 m³/d)

The Hydranautics SWC5 MAX is a spiral wound composite polyamide membrane element designed for reverse osmosis applications. It features a 440 ft² active area.

Maximum Feed Flow: 16 GPM (3.6 m³/h) · Membrane Active Area: 85 ft² (7.9 m²) · Maximum Applied Pressure: 1000 psig (6.9 MPa)

SWC6-4040 is an ultrafiltration module for pretreatment, clarification, and barrier filtration duties in water-treatment systems.

Maximum Feed Flow: 16 GPM (3.6 m³/h) · Membrane Active Area: 80 ft² (7.4 m²) · Maximum Applied Pressure: 1000 psig (6.9 MPa)

SWC6-LD-4040 is an ultrafiltration module for pretreatment, clarification, and barrier filtration duties in water-treatment systems.

Minimum Ratio of Concentrate to Permeate Flow for any Element: 5:1 · Maximum Feed Flow: 75 GPM (17.0 m³/h) · Membrane Active Area: 400 ft² (37.2 m²)

The SWC6-8040 is a spiral wound composite polyamide reverse osmosis membrane element with 400 ft² active area.

Permeate Recovery: 10% · Maximum Feed Flow: 75 gpm (17.0 m³/h) · Minimum Brine Flow: 12 gpm (2.7 m³/h)

The SWC6-MAX is a spiral wound composite polyamide membrane element designed for reverse osmosis applications. It offers low pressure performance at 6,600 gpd with 99.

Maximum Feed Flow: 85 gpm (19.3 m³/h) · Minimum Brine Flow: 12 gpm (2.7 m³/h) · Membrane Active Area: 400 ft² (37.2 m²)

This Hydranautics SWC6-LD is a low fouling spiral wound reverse osmosis membrane element made of composite polyamide.

% Rejection: 99.5 · Permeate Flow (GPD) / (m³/day) (8040): 13000 (49.2) · Permeate Flow (GPD) / (m³/day) (4040): 3300 (12.5)

The SanRO ESPA2 is a high-rejection, energy-saving composite polyamide reverse osmosis membrane element designed for high purity water systems.

Rejection: 99.7% · Permeate Flow: 2200 GPD (8.4 m³/day) · Permeate TDS: 6.6 PPM

The SanRO HS-4 is a heat-sanitizable reverse osmosis membrane element designed for high-purity water systems with a sanitary.

Nominal Rejection: 99.7 % · Permeate Flow (8040 size): 8800 GPD (33.3 m³/day) · Permeate Flow (4040 size): 2200 GPD (8.4 m³/day)

The SanRO HS-8 is a heat-sanitizable, high-rejection reverse osmosis composite membrane element designed for high purity water systems. It features sanitary.

Nominal Rejection: 99.7% (99.4% min.) · Nominal Permeate Flow: 2,200 gpd (8.3 m³/d) · Permeate TDS: 7.8 ppm

The SanRO®-HS series consists of Heat Sanitizable, High Rejection RO Composite Membrane Elements.

Feed Flow, GPM (m³/hr): 80 (18.2) · Area, ft² (m²): 360 (33) · Max. Pressure Drop per Element, psi (bar): 13 (0.9)

The DairyUF 5K 8 is an ultrafiltration membrane designed for high flux and high protein rejection in dairy, food, and beverage applications. It features a 5.

Max. Feed Flow, GPM (m³/hr): 30 (6.8) · Area, ft² (m²): 80 (7.4) · Max. Pressure Drop per Element, psi (MPa): 15 (0.10)

This is a high-rejection reverse osmosis membrane element designed for dairy process applications such as whey and milk concentration. Elements are USDA accepted.

Feed Flow, GPM (m³/hr): 35 (7.9) · Area, ft² (m²): 90 (8.4) · Max. Pressure Drop per Element, psi (bar): 15 (1.0)

The DairyUF 10K series are high flux, 10,000 Dalton polyethersulfone ultrafiltration membranes specifically designed for whey protein concentration.

Maximum Applied Pressure: 600 psig (41 bar) · Maximum Pressure Drop for a vessel: 60 psi (4 bar) · Maximum Operating Temperature: 122°F (50 °C)

The Hydranautics Dairy NF 4 is a highly selective nanofiltration membrane element designed for concentrating whey and milk, de-salting, and BOD/COD reduction.

Filtrate Flow‡: 10 – 30 gpm (2.2 – 6.8 m³/h) · Nominal Membrane Area: 538 ft² (50 m²) · Pore Size: 0.08 micron

The HYDRAcap-AM-2.5 is a capillary ultrafiltration module designed for outside-to-inside filtration. It features a PVDF membrane with a 0.

Filtrate Flow: 7.7 – 18.9 gpm (1.8 – 4.3 m³/h) · Nominal Membrane Area: 320 ft² (30 m²) · Pore size: 0.02 micron

This is a capillary ultrafiltration module with a hydrophilic polyethersulfone membrane. It operates with inside-to-outside filtration and has NSF61, CDPH.

Filtrate Flow: 5 – 12.3 gpm (1.1 – 2.8 m³/h) · Nominal Membrane Area: 208 ft² (19.3 m²) · Pore size: 0.02 micron

The HYDRAcap-40-LD is a capillary ultrafiltration module designed for inside-to-outside filtration with a 0.02-micron pore size.

Filtrate Flow: 7.5 – 24.4 gpm (1.7 – 5.5 m³/h)¹ · Nominal Membrane Area: 560 ft² (52 m²) · Pore Size: 0.08 micron

The HYDRAcap-MAX-40 is a capillary ultrafiltration module constructed with TIPS PVDF membrane polymer for outside-to-inside filtration.

Filtrate Flow: 7.7 – 18.9 gpm (1.8 – 4.3 m³/h) † · Nominal Membrane Area: 320 ft² (30 m²) · Pore Size: 0.02 micron

The HYDRAcap40 ACS is a capillary ultrafiltration module with a hydrophilic polyethersulfone membrane.

Filtrate Flow: 7.7 – 18.9 gpm (1.8 – 4.3 m³/h) · Nominal Membrane Area: 320 ft² (30 m²) · Pore size: 0.02 micron

The HYDRAcap40-DWI is a capillary ultrafiltration module with a hydrophilic polyethersulfone membrane and a nominal area of 320 ft².

Retention / pore size: 0.02 micron · Filtrate Flow: 12.1 – 29.5 gpm (2.7 – 6.7 m³/h) · Nominal Membrane Area: 500 ft² (46 m²)

The HYDRAcap-60 is a capillary ultrafiltration module made of hydrophilic polyethersulfone with a nominal membrane area of 500 ft² and 0.02 micron pore size.

Filtrate Flow: 11 – 30 gpm (2.7 – 6.8 m³/h) · Nominal Membrane Area: 500 ft² (46 m²) · Pore Size: 0.02 micron

The HYDRAcap-60-E is a capillary ultrafiltration module utilizing a hydrophilic polyethersulfone membrane with a pore size of 0.02 microns.

Selection cues: rejection · permeate flow · membrane area and operating pressure

The HYDRAcap-60+ is a reverse osmosis and nanofiltration membrane element designed for water treatment applications.

Filtrate Flow†: 14.7 – 35.7 gpm (3.3 – 8.1 m³/h) · Nominal Membrane Area: 605 ft² (56 m²) · Pore Size: 0.02 micron

The HYDRAcap60 E+ is a capillary ultrafiltration module constructed with hydrophilic polyethersulfone membrane polymer.

Filtrate Flow: 7.8 – 19 gpm (1.8 – 4.3 m³/h) · Nominal Membrane Area: 323 ft² (30 m²) · Pore size: 0.02 micron

The HYDRAcap-60-LD is a capillary ultrafiltration module featuring a hydrophilic polyethersulfone membrane with a 0.02-micron pore size.

Filtrate Flow: 12.1 – 29.5 gpm (2.7 – 6.7 m³/h) † · Nominal Membrane Area: 500 ft² (46 m²) · Pore Size: 0.02 micron

This HYDRAcap-60 ACS is a capillary ultrafiltration module with a hydrophilic polyethersulfone membrane.

Filtrate Flow: 11.7 – 37.9 gpm (2.7 – 8.6 m³/h) · Nominal Membrane Area: 840 ft² (78 m²) · Pore size: 0.08 micron

The HYDRAcap-MAX-60 is a capillary ultrafiltration module utilizing TIPS PVDF membrane technology with 840 ft² of nominal membrane area.

Filtrate Flow: 12.1 – 29.5 gpm (2.7 – 6.7 m³/h) · Nominal Membrane Area: 500 ft² (46 m²) · Pore size: 0.02 micron

The HYDRAcap60-DWI is a capillary ultrafiltration module with a hydrophilic polyethersulfone membrane and 500 ft² of nominal membrane area.

Filtrate Flow: 16.3 – 39.5 gpm (3.7 – 9.0 m³/h) · Nominal Membrane Area: 670 ft² (62.2 m²) · Maximum Applied Feed Pressure: 73 psig (5 bar)

This HYDRAcap-80 is a capillary ultrafiltration module featuring hydrophilic polyethersulfone membrane with a nominal molecular weight cut-off of 150,000 Daltons.

Selection cues: rejection · permeate flow · membrane area and operating pressure

HYDRAcap-80+ is a reverse osmosis or nanofiltration membrane element designed for water treatment applications.

Retention / pore size: 0.08 micron · Filtrate Flow: 15.7 – 51.0 gpm (3.6 – 11.6 m³/h) · Nominal Membrane Area: 1130 ft² (105 m²)

This HYDRAcap-MAX-80 is a capillary ultrafiltration module featuring TIPS PVDF membrane with a 0.08 micron pore size. It offers filtration from outside to inside.

Filtrate Flow: 1.4 – 4.4 gpm (0.3 – 1.0 m³/h) · Nominal Membrane Area: 97 ft² (9 m²) · Pore Size: 0.08 micron

HYDRAcap-MAX-4040 is an ultrafiltration module for pretreatment, clarification, and barrier filtration duties in water-treatment systems.

Salt Rejection: 99.7% (99.5% minimum) · Permeate Flow: 6,500 gpd (24.6 m³/d) · Permeate Recovery: 10%

The HYDRApro-407 is a low-fouling spiral wound reverse osmosis membrane element. It features a composite polyamide membrane and offers a salt rejection of 99.

Maximum Applied Pressure: 600 psig (41 bar) · Maximum Pressure Drop for a vessel: 60 psi (4 bar) · Maximum Operating Temperature: 140 °F (60 °C)

The HYDRACoRe10 is a chemical and oxidant-resistant composite nanofiltration element designed for applications such as dye and protein concentration.

Maximum Applied Pressure: 600 psig (41 bar) · Maximum Pressure Drop for a vessel: 60 psi (4 bar) · Maximum Operating Temperature: 140 F (60 C)

The HYDRACoRe50 is a chemical and oxidant-resistant composite nanofiltration element designed to reject organic species with a molecular weight of 1000 daltons or greater.

Maximum Applied Pressure: 600 psig · Maximum Pressure Drop for a vessel: 60 psi (4 bar) · Max. Pressure Drop per Element: 15 psi (1.0 bar)

The HYDRACoRe70pHT is a high-flux, chlorine-resistant nanofiltration membrane element designed for color, acid, and chemical reclamation.

Retention / pore size: 0.1 micron · Maximum Applied Pressure (DairyRO): 200 psig (1.4 MPa) · Maximum Sanitization Pressure: 25 psig (0.17 MPa)

The SuPRO 8338-60-80-100 is a series of highly permeable, high-rejection polysulfone microfiltration crossflow elements designed for 0.1 micron separation.

Permeate Flow: 8,500 gpd (32.2 m³/d) · Minimum Ratio of Concentrate to Permeate Flow for any Element: 5:1 · Maximum Feed Flow: 75 GPM (17.0 m³/h)

This Hydranautics CAB1-8040 is a spiral-wound reverse osmosis membrane element with a blend cellulose acetate polymer.

Permeate Flow: 6,800 gpd (25.7 m³/d) · Minimum Ratio of Concentrate to Permeate Flow for any Element: 5:1 · Maximum Feed Flow: 75 GPM (17.0 m³/h)

The CAB2-8040 is a spiral wound membrane element featuring a blend cellulose acetate polymer for reverse osmosis applications. It offers a nominal salt rejection of 98.

Permeate Flow: 4,500 gpd (17.0 m³/d) · Minimum Ratio of Concentrate to Permeate Flow for any Element: 5:1 · Maximum Feed Flow: 75 GPM (17.0 m³/h)

This Hydranautics CAB3-8040 is a spiral wound membrane element with a blend cellulose acetate polymer for RO and NF applications. It offers a nominal salt rejection of 99.

Permeate Connections: (2)- 2” MNPT · Pore Size (nominal): 0.4 μm · Nominal Membrane Area per Module: 1345 ft² (125 m²)

The HYDRAsub®-MBR HSM125-ES is a submerged microfiltration membrane bioreactor module designed for wastewater treatment. This vertical.

Permeate Connections: (2)- 2” MNPT · Pore Size (nominal): 0.4 μm · Nominal Membrane Area per Module: 2690 ft² (250 m²)

The HYDRAsub®-MBR HSM250-ES is a submerged microfiltration membrane bioreactor module constructed with a stainless steel cage and Polyvinylidene Fluoride (PVDF) fibers.

Permeate Connections: (2)- 2” MNPT Connections · Pore Size (nominal): 0.4 μm · Nominal Membrane Area per Module: 4035 ft² (375 m²)

This Hydranautics HSM375-ES is a submerged Microfiltration Membrane Bioreactor (MBR) module with Polyvinylidene Fluoride (PVDF) membrane.

Permeate Connections: (2)- 2” MNPT · Pore Size (nominal): 0.05 μm · Nominal Membrane Area per Module: 4304 ft² (400 m²)

The HYDRAsub®MAX-MBR HSMM400-ES is a submerged membrane module for ultrafiltration applications.

Permeate Connections: (2)- 2” MNPT Connections · Pore Size (nominal): 0.05 µm · Nominal Membrane Area per Module: 6456 ft² (600 m²)

The HSMM600-ES is a submerged ultrafiltration membrane module with a 600 m² nominal membrane area. It features a PVDF membrane with a 0.

Retention / pore size: 0.05 µm · Permeate Connections: (2)- 2” MNPT Connections · Pore Size (nominal): 0.05 µm

The HSMM800-ES is a submerged ultrafiltration membrane module with a nominal pore size of 0.05 µm, constructed from PVDF membrane polymer and a stainless steel 304 cage.

Retention / pore size: 0.4 μm · Permeate Connections: (2)- 3” MNPT · Pore Size (nominal): 0.4 μm

The Hydranautics HSM1000-ES is a submerged membrane bioreactor module utilizing vertical PVDF fibers with a nominal pore size of 0.4 μm.

Retention / pore size: 0.05 μm · Permeate Connections: (2)- 3” MNPT · Pore Size (nominal): 0.05 μm

This HYDRAsub®MAX-MBR module is a submerged ultrafiltration membrane designed for wastewater treatment, featuring 30 PVDF elements with a nominal pore size of 0.05 μm.

Retention / pore size: 0.4 μm · Permeate Connections: (4)- 3” MNPT · Pore Size (nominal): 0.4 μm

The Hydranautics HSM1500-ES is a submerged microfiltration membrane bioreactor module with a PVDF membrane and 0.4 μm pore size.

Permeate Connections: (2)- 3” MNPT · Pore Size (nominal): 0.05 µm · Nominal Membrane Area per Module: 17,216 ft² (1600 m²)

This is a HYDRAsub®MAX-MBR HSMM1600-ES submerged ultrafiltration membrane module, featuring PVDF membrane material with a nominal pore size of 0.

Retention / pore size: 0.05 µm · Permeate Connections: (4)- 3” MNPT · Pore Size (nominal): 0.05 µm

The HYDRAsub® MAX-MBR HSMM2400-ES is a submerged ultrafiltration membrane module featuring PVDF membrane with a nominal pore size of 0.05 µm.

Slowly throttle flow rate: 1/3 max design flow for first 5 minutes, 2/3 max design flow for second 5 minutes, then full max design flow · Permeate Return Line: Required for returning a small amount of cleaning solution that permeates through membranes back to the cleaning tank

This Hydranautics product is a reverse osmosis (RO) membrane element, suitable for water treatment applications.

High Rejection: CPA2, CPA3, CPA4, CPA5 series · Average MgSO₄ Rejection: Not specified · HYDRACoRe70pHT, SuPRO Process elements: 158 °F (62.9 °C)

This Hydranautics conversion table categorizes various reverse osmosis, nanofiltration, and ultrafiltration membrane elements.

Salt Rejection (SR): The opposite of salt passage: SR = 100% - SP · Permeate Salinity (Cp): Depends on the relative rates of water and salt transport: Cp = Qs / Qw

Reverse osmosis is a purification technology used for applications ranging from semiconductors to municipal drinking water.

RO Permeate (SDI < 1): 20 - 30 GFD; 2.3 - 4.4 % Flux Decline/year · Recovery rate: 85% - 90% · Surface water (SDI 2 - 4): 8 - 14 GFD; 7.3 - 9.9 % Flux Decline/year

This document details design considerations for reverse osmosis systems utilizing Hydranautics membranes, covering system components and staging concepts.

Cleaning Pressure Drop: Do not exceed 10 psi pressure drop per element during cleaning · Cross Flow Velocity: Maximize cross-flow velocity in elements to reduce concentration of salts and foulants at the membrane surface · Cleaning Temperature: Warm water, 90-100 °F (32-37 °C), is significantly more effective

This product is a reverse osmosis (RO) membrane designed to minimize organic and colloidal foulants through a neutral surface charge and increased hydrophilicity.

Selection cues: rejection · permeate flow · membrane area and operating pressure

This is a theoretical overview of reverse osmosis and nanofiltration membrane elements.