General Information

TaFlux SevBore ZW series ultrafiltration membrane modules are designed and manufactured as equivalents, which are used for production of process water, potable water and wastewater. Major applications are the filtration of surface water, potable water, industrial wastewater and municipal sewage. TaFlux SevBore ZW series ultrafiltration modules use Tanal’s SevBore fiber technology with an inside-out flow direction. SevBore fibers are naturally hydrophilic 7-bore PES hollow fibers by advanced ultrafiltration technology, which makes TaFlux SevBore ZW series ultrafiltration membrane modules the most robust PES (polyether sulfone) UF membrane on the market.

The mode of operation is either dead-end or cross-flow (though cross flow mode is only used in certain circumstances), backwash (with filtrate only) at regular intervals and chemically enhanced backwash are required for the continuous operation.

Features

A nominal pore size of 0.02 μm for optimal removal of particles, bacteria and viruses
Inside-out flow direction without air scouring
PES membrane fibers of 7 bores
Typical filtrate quality SDI < 3, turbidity < 0.1 NTU

Advantages

Extremely high mechanical strength with no fiber breakage
High chemical tolerance
High-quality filtrate by reliable blocking of microorganisms and viruses
Minimum operating costs and efficient backwash
Direct and economical module replacement for plug-and-play

Applications

Surface water
Potable water
Sea water desalination
Pre-treatment of industrial water
Industrial wastewater
Municipal sewage

Module Dimensions

Model	Total length L (mm/inch)	Length feed to concentrate L1 (mm/inch)	Length without end caps L2 (mm/inch)	Length concentrate to filtrate connector L3 (mm/inch)	End cap diameter D (mm/inch)	Diameter without end caps D1 (mm/inch)	Distance feed to module center axis W (mm/inch)
TF7B0.9-0.6	628/24.7	/	500/19.7	144/5.67	63/2.5	50/2	55/2.2
TF7B0.9-12	1253/49.3	/	1000/39.4	290/11.4	160/6.3	140/5.5	111/4.4
TF7B0.9-60	1682/66.2	1596/62.8	1,500/59.1	191/7.52	320/13	250/10	179/7.05
TF7B0.9-60L	1687/66.4	1599/62.9	1,500/59.1	191/7.52	320/13	250/10	179/7.05

Specifications

Specifications	Parameters
Part number	TF7B0.9-0.6	TF7B0.9-12	TF7B0.9-60(L)
Effective membrane area (m²/ ft²)	0.6/6.5	12/129.2	60/645.9
Fiber ID/OD	0.9/4 mm (0.04/0.16 inch)
Membrane material	Modified PES (polyether sulfone), 7 bores
Flow direction	Inside-out
Pore size	0.02 μm
Housing material	UPVC
Clamp material	Stainless Steel
Sealing material	EPDM
Potting material	Epoxy resin
Feed/concentrate connection	1.5 inch BSP threads	1.5 inch BSP threads	Victaulic
Filtrate connection	1.5 inch socket or BSP thread	1.5 inch socket or BSP thread	Victaulic
End caps diameter	1 inch ID	1 inch ID	2 inch OD
Weight (kg/lbs.)	0.7/2	9.8/22	31.5/69

Operating and Cleaning Limits

Specifications	Parameters
Temp. range	1-40℃ (34-104°F)
Max. feed pressure	5 bar (72.5 psi)
Max. trans-membrane pressure	2.5 bar (36 psi)
Max. backwash pressure	3 bar (40 psi)
Backwash/forward flush maximum	250 l/m²h (150 gfd)
pH-continuous operation @ 25℃	2-11
pH-CIP @ 25℃	1-13
Hypochlorite (NaOCl) for cleaning	50 to 200 ppm
Hydrogen peroxide for cleaning	100 to 200 ppm

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Tanal

TaFlux SevBore ZW Series