The Dairy PW Series family of polyethersulfone ultrafiltration membrane elements are characterized by a 20,000 molecular weight cut-off. Dairy PW Elements are typically used for protein concentrate up to 20% either from milk and sweet whey (not suitable for acid whey). These elements feature a Durasan* Cage patented outer wrap, a selection of feed spacers, and polysulfone parts.
The Dairy PW elements comply with:
• FDA Regulations relevant sections of 21CFR
• EU Framework 1935/2004/EC
• Halal and Kosher certifications
Typical Operating Pressure: 80-135 psig (555 – 931 kPa)
Typical Operating Flux: 10-25GFD (15-40LMH)
Clean Water Flux (CWF) (1): 59GFD (100LMH) @ 30psi and 50°C
Maximum Operating Pressure: 200 psig (1,379 kPa)
Maximum Temperature: Continuous operation: 122°F (50°C)
Operating pH Range: 2.0-10.0
Recommended Pressure Drop:
Over an element: 12 psig (83 kPa)
Maximum Pressure Drop:
Over an element: 15psi (103kPa)
Per housing: 50 psig (345 kPa)
Chlorine Tolerance: 5,000+ ppm-days