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Pall Microza Microfiltration UNA-620A Module

Product No.：UNA-620A
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General Information

The Pall Microza Microfiltration UNA Series (hollow fiber filtration) modules are designed for reverse osmosis (RO) pretreatment applications. Aria^TM systems incorporating UNA modules can replace conventional upstream operations such as flocculation, settling and granular media filtration. The UNA-620A modules provide consistent high-quality effluent, independent of incoming raw water quality without the use of coagulating chemicals, typically achieving a SDI of < 2 – 3 and a turbidity of < 0.08 NTU. These robust Aria systems have a comparatively small footprint, are modular in design, and are fully automated. They may be easily incorporated into the existing DI water infrastructure.

Pall Microza Microfiltration UNA-620A Module Product Data Sheet

Applications

Microza Microfiltration UNA module systems are designed to optimize the performance and extend the life of RO membranes.

Features

Hollow fiber construction with 0.1 μm rated membrane for removal of particles, bacteria, colloidal silica and for reduction of turbidity.
PVDF membrane resistant to oxidizing agents.
Filtration from outside fiber to inside of fiber:

− Large surface area per module for excellent throughput, resulting in compact systems, and exceptional tolerance for high contaminant levels.
− Removal of foulants by unique and periodic air-scouring combined with permeate back flushing.
− Minimum prefiltration required (e.g., 400 μm self-cleaning strainers for removal of tramp solids).

Low operating costs

− By providing high quality RO prefiltration, the time between RO membrane cleaning is greatly extended. This results in reduced downtime and chemical / disposal costs.
− High water recovery rates (typically up to 95% – 98%) minimize cost per volume of water produced.

Dimension

Model Part Number	Length		Diameter
Model Part Number	L1	L2	D1	D2
UNA-620A	2364mm /93in	272mm /10.7in	165mm /6.5in	221mm /8.7in

Accessories and Spare Parts

ITEM:	MATERIAL:
1. Adapter Feed Connection	304 SS
2. Adapter Permeate Connection	PVC
3. Adapter Reject Connection	PVC
4. Cap Nut Feed & Permeate Connections	AS (20% GF)
5. Nut Reject Connection	PVC
6. O-Ring for Feed & Permeate Adapter	Silicone
7. Gasket Reject Connection	Silicone

Operating Parameters

Process Capacity Typical Range	2.2 – 6.8 m³/h / 10 – 30 gpm
Membrane Area	50 m² / 538 ft²
Module Length	2160 mm / 85 in
Module Diameter	165 mm / 6.5 in
Max. Operating Temperature	40°C / 104°F
Max. Transmembrane Pressure	3 bar / 45 psi
Max. Inlet Pressure	4 bar / 58 psi
pH Range	1-10
Membrane Material	PVDF
Housing Material	ABS
Potting Material	Polyurethane
Gaskets Material	Silicone
Preservative Material	40% calcium chloride

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