Compact 44G

X-Flow is the international membrane brand of Pentair, the global water, fluid, thermal management, and equipment protection partner. X-Flow uniquely combines high-quality membrane products with outstanding implementation know-how. Our specialized engineers contribute to the flawless operation of your filtration installations. Their experience makes the difference in terms of quality, safety, efficiency and reliability.

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SPECIFICATIONS

5.2

Hydraulic membrane diameter [mm]

44

Membrane area [m²]

220.0

Feed connection D0 [mm]

4000

Module length L0 [mm] (±1)

250

Saddle diameter D1 [mm]

208

Module diameter D2[mm]

73,0

Permeate connection d0 [mm]

165

Permeate length I0 [mm] (±1)

90

Permeate position I1[mm] (±1)

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Product Information

General Solvent Resistance

Since the resistance of the membrane to solvents strongly depends on the actual process conditions, the indications given below should only be considered as guidelines

Sodium Hypochlorite

Typical 200 ppm, at ≤ 40 ºC
Maximum 500 ppm
250.000 ppm hours cumulative at 30 ºC

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Operating Specifications


Max. feed pressure	Max. permeate pressure	Max. transmembrane pressure	Max. temp.
[kPa]	[kPa]	[kPa]	[°C]
1000	1000	at 20 °C -100 ~ +250	60
		at 30 °C -100 ~ +250
		at 40 °C -100 ~ +250
		at 50°C -50 ~ +250
		at 60°C -50 ~ +250

*To avoid mechanical damage, do not subject the membrane module or element to sudden temperature changes, particularly decreasings. Do not exceed 60 °C process temperature. Bring the module or element back to ambient operating temperature slowly (typical value 3°C/min). Failure to adhere to this guideline can result in irreparable damage

Tehnical specifications

Weight Specifications

Dry weight of membrane element ca. 55 kg [121lbs]
Membrane element filled with water ca. 120 kg [265 lbs]

Materials of Construction

Housing

Glass fibre reinforcedepoxy, drinking water quality

Potting

EP Resin

Membrane

Material composed of polyvinylidene fluoride
Carrier is a composite polyester woven/non woven

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Hydraulic membrane diameter	Crossflow flow rate (*)	Pressure-drop across module(laminar flow) (**)	Pressure-drop across module (turbulent flow) (**)
[mm]	[m3 /h]	[kPa]	[kPa]
5.2	53.5 x v	1.3 x L0 x v	15.6 x v1.75

Storage

New membrane modules can be stored as supplied in the original packaging. The membrane elements contain an aqueous preservation solution of glycerine (20wt%) and sodium metabisulfite (1wt%). Membrane modules should be stored in a dry, normally ventilated place, away from sources of heat, ignition and direct sunlight. Store between 0 and 40 °C. The membrane modules should not be subjected to any freezing temperatures. Shelf life is a maximum of 6 months for unused modules in unopened packaging under correct storage coinditions after transfer of ownership for X-Flow BV to the Client. After the maximum period of 6 months all warrantees are null and void unless otherwise agreed in writing between the parties. After use, the UF membrane modules need to be stored wet at all times.

To avoid biological growth during shutdowns or storage, wet membranes could be treated with a compatible biocide. The membrane is compatible with many common disinfecting agents or biocidal preservatives. X-FLOW COMPACT 44G HELIX - ULTRAFILTRATION MEMBRANE To avoid biological growth during shutdowns or storage, wet membranes should be treated with a compatible biocide. The membrane is compatible with many common disinfecting agents or biocidal preservatives. For short-term shutdowns, a daily flush with permeate quality water containing up to 2.0 ppm free available chlorine for 30 to 60 minutes may be adequate for bacteria control. In case of long-term storage, membranes should be cleaned before the disinfection step is carried out.

For disinfection, a 0.5% sodium metabisulfite solution can be used. In either situation, modules should be stored hydraulically filled. In case of long-term storage (>7 days), membranes should be disinfected. The membranes should be cleaned using a CEB before the disinfection step is carried out. For disinfection, a 0,5% sodium metabisulfite solution can be used