Specification Module Type 12.5 20 25 Module Length 1020mm 1523mm 1523mm Module Width 534mm 534mm 534mm Water Outlet Dia. DN32 DN32 DN32 Air Inlet Dia. Nil/DN32 Nil/DN32 Nil/DN32 Membrane Area 12.5m2 20 m2 25 m2 Dry Weight 4kg 6kg 8kg Wet Weight 6kg 10kg 15kg Basic Parameters Housing Materials ABS/UPVC ABS/UPVC ABS/UPVC Hollow Fiber Materials PVDF+special Nano PVDF+special Nano PVDF+special Nano Pore Size 0.1 micron 0.1 micron 0.1 micron Fiber ID 0.9mm 0.9mm 0.9mm Fiber OD 1.5mm 1.5mm 1.5mm Effluent Turbidity <1NTU <1NTU <1NTU Effluent SS <1 mg/L <1 mg/L <1 mg/L Lifespan 3-5 years 3-5 years 3-5 years Typical Working Conditions Temperature 1-40 degree centigrade 1-40 degree centigrade 1-40 degree centigrade pH 2 to13 2 to13 2 to13 Flow Rate 2.5-4.0m3/d 4.0-6.0m3/d 4.0-6.0m3/d Max Transmembrane Pressure -0.03MPa -0.03MPa -0.03MPa Water Production Way Negative Pressure Negative Pressure Negative Pressure Water Production Period work 8 minutes, stop 2 minutes work 8 minutes, stop 2 minutes work 8 minutes, stop 2 minutes Sterilization Chemical sodium hypochlorite sodium hypochlorite sodium hypochlorite Chemical Cleaning Period 6-12 months 6-12 months 6-12 months Cleaning Chemical citric acid,sodium hydroxide citric acid,sodium hydroxide citric acid,sodium hydroxide 1. All parameters in list tested under standard conditons in factory before delivery 2.Capacity is flow rate from MBR to treat wastewater