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ESPA2 MAX Equivalent

Product No.：TFULP-8040-440E
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Equivalent, equivalence, replacement, alternative, analog, retrofit, analogue, derivative, substitution: Hydranautics ESPA2 MAX, ESPA2MAX

General Information

TFULP-8040-440E is manufactured as an equivalent, replacement, alternative, retrofit, analogue to Hydranautics ESPA2 MAX (ESPA2MAX) RO membrane element.

Hydranautics ESPA2 MAX equivalent reverse osmosis membrane elements TFULP-8040-440E are developed for energy saving for water treatment in various industries and applications, ideal for reverse osmosis plant managers and operators dealing with low to medium TDS level water with essential pre-treatment.

TFULP-8040-440E reverse osmosis membrane element provides consistency, high-quality filtrate, reliable performance, and long service life at a low feed pressure, which saves energy and reduces operation costs.

Features & Advantages

High permeability
Anti-fouling structure design
Good consistency and reliability
Economical equivalent module for direct replacement to ESPA2 MAX

Applications

Municipal drinking water
Industrial process water
Dual water supply system
Pure water preparation plant

Specifications

Configuration: Spiral wound element
Membrane Polymer: Polyamide thin-film composite

Performance

Element Model

Membrane Active Area

ft² (m²)

Feed Spacer

Mil (mm)

Permeate Flow Rate^*

GPD (m³/d)

Stabilized Salt Rejection^**

Minimum Salt Rejection

TFULP-8040-440E

440 (41)

28 (0.712)

12,500 (47.3)

99.5%

99.4%

Standard test conditions:

The above performance is initial (data record after 30 minutes of operation), based on the following conditions:

1,500 ppm NaCl solution

150 psi (10.3 bar) operating pressure

25°C (77°F) operating temperature

15% permeate recovery

7.5-8 pH range

*Permeate flow for individual elements may vary but will be no more than ±15%.

**Stabilized salt rejection is generally achieved within 24-48 hours of continuous use; depending on feed water characteristics and operating conditions.

Element Dimensions

Model	Length L inch (mm)	Diameter D inch (mm)	Permeate tube inner diameter d inch (mm)
8040	40 (1,016)	7.9 (201)	1.125 (28.6)

Operating and Cleaning Limits

Maximum Operating Pressure	600 psi (41 bar)
Maximum Operating Temperature	45°C (113°F)
Maximum Chlorine Concentration	0.1 ppm
pH Range, Continuous	2 - 11
pH Range, Cleaning	1 - 13
Maximum Feed SDI (15 mins)	5
Maximum Element Pressure Drop	15 psi (1 bar)
Maximum Feed Flow	17 m³/h
Minimum Ratio of Concentrate to Permeate Flow for Each Element	5:1

The limits shown above are for general applications. For specific projects, operating at more conservative values may ensure the best performance and longest life of the membrane element.

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