Reynolds Culligan
Reynolds Culligan
1222 Greenleaf St.
Allentown, PA 18102
Phone: (855) 910-8430
Email: gdreynolds@yourwater.net
Webite: www.reynoldsculligan.com
8-4:30 M-F with 24 hour emergency service
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Hydranautics offers a complete line of energy saving polyamide ESPA reverse osmosis membrane elements for a wide range of water treatment applications. ESPA's unparalleled performance characteristics can provide significant cost savings due to the lower operating pressures required while still providing optimal flow as well as high salt and boron rejection.

Hydranautics also offers Integrated Membrane Solutions (IMS) combining a range of RO, NF, UF and MF membrane technologies to achieve the most comprehensive, effective, low-cost solutions for the industry.

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Unit of Measure
Items Logo-2
ESPA1
12000 Gallon Per Day (gal/d) Permeate Flow Energy Saving Polyamide (ESPA) Ultra-Low Pressure Brackish Water Membrane Element 		Logo-2
ESPA2-4040
1900 Gallon Per Day (gal/d) Permeate Flow Energy Saving Polyamide (ESPA) Ultra-Low Pressure Brackish Water Membrane Element 		Logo-2
ESPA2-LD-4040
2000 Gallon Per Day (gal/d) Permeate Flow Energy Saving Polyamide (ESPA) Ultra-Low Pressure Brackish Water Membrane Element 		Logo-2
ESPA2-LD
10000 Gallon Per Day (gal/d) Permeate Flow Energy Saving Polyamide (ESPA) Ultra-Low Pressure Brackish Water Membrane Element 		Logo-2
ESPA2 MAX
12000 Gallon Per Day (gal/d) Permeate Flow Energy Saving Polyamide (ESPA) Ultra-Low Pressure Brackish Water Membrane Element
Description N/A ESPA1 is popularly used in the treatment of low TDS waters to produce potable water. This membrane is available in 4-inch and 8-inch diameters. N/A ESPA2 membranes are low pressure brackish water membranes designed to minimize colloidal fouling. This membrane is available in 4-inch, 8-inch and 16-inch diameters. N/A ESPA2 membranes are low pressure brackish water membranes designed to minimize colloidal fouling. This membrane is available in 4-inch, 8-inch and 16-inch diameters. N/A ESPA2 membranes are low pressure brackish water membranes designed to minimize colloidal fouling. This membrane is available in 4-inch, 8-inch and 16-inch diameters. N/A ESPA2 membranes are low pressure brackish water membranes designed to minimize colloidal fouling. This membrane is available in 4-inch, 8-inch and 16-inch diameters.
Brands N/A Culligan® Hydranautics Nitto
Diameter N/A 4 in8 in N/A 4 in8 in16 in N/A 4 in8 in16 in N/A 4 in8 in16 in N/A 4 in8 in16 in
Membrane Product N/A ESPA1 N/A ESPA2 N/A ESPA2 N/A ESPA2 N/A ESPA2
Permeate Flow N/A 12000 gal/d45.4 m³/d N/A 1900 gal/d7.2 m³/d N/A 2000 gal/d7.57 m³/d N/A 10000 gal/d37.9 m³/d N/A 12000 gal/d45.4 m³/d
Normal Salt Rejection N/A 99.4 % N/A 99.6 % N/A 99.6 % N/A 99.6 % N/A 99.6 %
Minimum Salt Rejection N/A 99.2 % N/A 99.4 % N/A 99.4 % N/A 99.5 % N/A 99.5 %
Membrane Active Area N/A 400 ft²37.1 m² N/A 85 ft²7.9 m² N/A 80 ft²7.4 m² N/A 400 ft²37.1 m² N/A 440 ft²40.9 m²
Culligan® Part Number N/A D1032564 N/A D1032559 N/A D1032560 N/A D1032566 N/A D1032569
Standard Business Lead Time N/A 10 days
Applications N/A
  • Treatment of well, surface and wastewater with high salt rejection requirements
  • High purity industrial applications
  • Best boron rejecting low pressure RO membrane in seawater desalination
  • Lowest fouling membrane available for reclaimed municipal waste water plant applications
Additional Information N/A N/A The ESPA2 membranes are available in the LD variant wherein low differential LD Technology® is used to minimize colloidal fouling when used with conventional pre-treatment equipment. These membranes offer consistently low feed pressures and longer intervals between cleanings.

Additionally, the ESPA2, ESPAB and ESPA4 membranes are available in the MAX variant which have a 440 ft² (40.9 m²) active membrane surface area. The increased membrane area can reduce capital costs by requiring fewer pressure vessels and less floor space. 		N/A The ESPA2 membranes are available in the LD variant wherein low differential LD Technology® is used to minimize colloidal fouling when used with conventional pre-treatment equipment. These membranes offer consistently low feed pressures and longer intervals between cleanings.

Additionally, the ESPA2, ESPAB and ESPA4 membranes are available in the MAX variant which have a 440 ft² (40.9 m²) active membrane surface area. The increased membrane area can reduce capital costs by requiring fewer pressure vessels and less floor space. 		N/A The ESPA2 membranes are available in the LD variant wherein low differential LD Technology® is used to minimize colloidal fouling when used with conventional pre-treatment equipment. These membranes offer consistently low feed pressures and longer intervals between cleanings.

Additionally, the ESPA2, ESPAB and ESPA4 membranes are available in the MAX variant which have a 440 ft² (40.9 m²) active membrane surface area. The increased membrane area can reduce capital costs by requiring fewer pressure vessels and less floor space. 		N/A The ESPA2 membranes are available in the LD variant wherein low differential LD Technology® is used to minimize colloidal fouling when used with conventional pre-treatment equipment. These membranes offer consistently low feed pressures and longer intervals between cleanings.

Additionally, the ESPA2, ESPAB and ESPA4 membranes are available in the MAX variant which have a 440 ft² (40.9 m²) active membrane surface area. The increased membrane area can reduce capital costs by requiring fewer pressure vessels and less floor space.