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Low pressure elements KH 8040-C1M1



Brackish water up to 2 g/l

Model A, mm B, mm B' (ATD), mm C, mm D, mm Weight, kg
KH 8040-C1M1 1016.00 200.10 0.00 28.60 0.00 17.15

Product description

Membrane material Composite polyamide
Membrane type ОРМ32К
Design Spiral wound
Application Desalination of brackish water


Model Flux, GPD Rejection, % Area Spacer
m2 ft2 mm mil
KH 8040-C1M1 11 500 99.20 / 98.80 39.00 420.00 0.72 28.00

TEST CONDITIONS: test solution of NaCl 1500 mg/l, P=1,0 MPa, T=25°C , pH=7,5. Recovery - 15%

Nominal rejection is reached after 48 hours of continuous operation on test solution.

Minimal rejection of a new element after 20 minutes test on test solution.

Operating conditions and technical data for designing
Recommended operation pressure, MPa 0,9-1,2
Maximum operation pressure, MPa 4,1
Maximum pressure drop, MPa 0,1
Operation temperature, С1 4-45
рН at operation1 2-11
рН at chemical cleaning (short time operation) 2-11 (t≤45°C); 1-13 (t≤35°C)*
Concentrate/permeate ratio on each element, min 5:1
Free chlorine content, mg/l max 0,1
Maximum feed flow, m3/hr 17
Chemical washing, T t≤45°C (рН 2-11); t≤35°C (рН 1-13)*
1) During continuous work with pH over 10,5 the temperature must not exceed 35°С 2) Flow of each element in a batch may vary +/-15% *In case of chemical cleaning with a solution pH exceeding 11,5 or at the temperature level more than 45°С please contact original manufacturer for consultation.