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TMG20-400 Equivalent

Product No.：TFXLP-8040
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Equivalent, equivalence, replacement, alternative, analog, retrofit, analogue, derivative, substitution: Toray TMG20-400, TMG20400

General Information

TFXLP-8040 is manufactured as an equivalent, direct replacement, alternative, analog, retrofit and analogue for Toray TMG20-400 (TMG20400) RO membrane.

TFXLP-8040 reverse osmosis membrane elements are developed for energy saving for water treatment in low TDS environments, ideal for the desalination of municipal water, groundwater with less than 1,000 ppm.

These reverse osmosis membrane element provides reliable performance and long service life at an extra low feed pressure, and can be widely used in pure water preparation and related industries.

Features & Advantages

Extreme low working pressure
Energy saving
Economical efficiency
Direct element replacement

Applications

Potable water
Commercial water system
Industrial process water

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
TFXLP-8040	400 (37.2)	28 (0.712)	10,500 (39.7)	99.2%	99.0%

Standard test conditions:

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

500 ppm NaCl solution

100 psi (7 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

DuPont DOW Filmtec BW30-400/34i Equivalent Dimensions

Model	Length A inch (mm)	Diameter B inch (mm)	Permeate tube inner diameter C 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	3.6 m³/h (4040), 17 m³/h (8040)

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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