VONTRON ULP21-8040 RO membrane

VONTRON RO membrane,   Make of Membrane : VONTRON   Model: ULP21-8040 Origin of country: China    Product Descripitions: ULP Series: Ultra-low pressure Compound RO mebrane Element:   Brief Introduction: Working under the conditions of ultra low operating pressure, ULP membrane series can achieve as high permeated flow and rejection rate as regular low-pressure membranes can, it rus under approximately two thirds pressure of that regular low pressure compound membranes, and can achieve a rejection rate of as high as 98%.  

Technical parameter for Vontron 8040 RO membrane
Model		ULP21-8040	ULP12-8040	ULP22-8040	ULP32-8040
Performance	Stable property desalinization rate %	99	98	99	99.5
	Lowest desalinization rate %	98.5	97.5	98.5	99
	Volume GPD (m--3/d)	11000(41.6)	13200(49.9)	12100(45.7)	10500(39.7)
	Effective membrane area ft2(m2)	365(33.9)	400(37.0)	400(37.0)	400(37.0)
Test condition	Test pressure	150pai(1.03Mpa)
	Test fluid temperature	25°C
	Test fluid density (NaCl)	1500ppm
	Test fluid ph	7.5
	Single RO membrane element recovery rate	15%
Extreme operating conditions	The maximum operates pressure	600psi(2.07Mpa)
	The maximum water supply temperature	45°C
	The maximum water supply SDI	5
	free chlorine concentration in water supply	0.1ppm
	Water supply pH scope when continuous running	3~10
	Water supply pH scope when chemical cleaning	2~12
	The maximum pressure drop of single RO membrane element	15psi(0.1Mpa)