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Toray HFU-B2315AN Membrane

Product Description

Toray's HFU-B2315AN pressurized hollow-fiber ultrafiltration (UF) membrane module applies advanced PVDF membrane chemistry and thermallyinduced phase separation (TIPS) spinning method that carefully controls the pore size and evenly distributes the number of pores on the membrane surface. The result is a hollow-fiber membrane with fine separation of viruses, bacteria, and suspended solids, low fouling, and high permeability all to help optimize and extend plant performance.

• Tightest pore size (0.01 μm) in the industry
• High mechanical tensile strength of hollow-fiber for
minimal fiber breakage
• Chemically-tolerant for operational longevity
• High packing density (60 m2) per module allows for
compact system design and room for future expansion
• Technical support and expertise within your reach

Table 1: Membrane Properties

Membrane material

PVDF (Polyvinylidene fluoride)

Nominal Molecular Weight Cut-off (MWCO) Daltons


Nominal pore size μm


Table 2: Cleaning Limits

Cleaning pH Range


Maximum cleaning temperature

40°C (104°F)

Maximum concentration of NaClO cleaning as Cl2

3,000 mg/L (10 ≤ pH ≤ 12)

Maximum NaClO exposure (lifetime contact time) as Cl2

1,000,000 mg/L hours

Maximum acid exposure contact time

1,000 hours (pH < 1)

Table 3: Module Specifications

Module Part Number


Outer Membrane Surface Area ft2 (m2)

646 (60)


Diameter in (mm)

7.01 (178)

Length ft (mm)

7.651 (2,332)


lbs (kg)

Full of water

143 (65)

After draining

77 (35)


Casing / Protective Cylinder

PVC and/or equivalent


Epoxy and/or equivalent

Operating Conditions

Filtration method

Outside to inside, dead end

Maximum inlet pressure psi (kPa)

43.5 (300)

Maximum trans-membrane pressure (TMP) psi (kPa)

43.5 (300)

Normal operating TMP psi (kPa)

< 29.0 (< 200)

Operating temperature range

32–104°F (0–40°C)

Operating pH range


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