Varafine™ VFTR Series product photo Primary L

Varafine™ VFTR Series

For Critical Filtration of Solvents and Aggressive Liquids

  • Chemically Resistant PTFE Media
  • Selection of Retention Ratings of 0.05, 0.1, 0.2, 0.45, or 1.0 µm
  • Uniform Pore Size Throughout Membrane For High Contaminant Retention Capacity and Flow Rates
  • Pre-Flushed with Ultra Pure DI Water to Ensure Fast Rinse-Up
  • Engineered Polymer Components for Enhanced Resistance and Purity
  • Optional Pre-Wetting in Ultra High Purity DI Water for Quick Rinse-Up


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Description

For Critical Filtration of Solvents and Aggressive Liquids

  • Chemically Resistant PTFE Media
  • Selection of Retention Ratings of 0.05, 0.1, 0.2, 0.45, or 1.0 µm
  • Uniform Pore Size Throughout Membrane For High Contaminant Retention Capacity and Flow Rates
  • Pre-Flushed with Ultra Pure DI Water to Ensure Fast Rinse-Up
  • Engineered Polymer Components for Enhanced Resistance and Purity
  • Optional Pre-Wetting in Ultra High Purity DI Water for Quick Rinse-Up

Specifications

Performance Specifications

Filter Grades (≥99.9% Retention Rating by Standard Latex Bead Challenge):
0.05, 0.1, 0.2, 0.45, 1.0 µm

Maximum Differential Pressure:
80 psid (5.5 bar) @ 68°F (20°C)
20 psid (1.4 bar) @ 203°F (95°C)

Recommended Changeout Differential Pressure1:
35 psid (2.4 bar)

Flow Rate 1.0 psid (0.07 bar), 10" equivalent:
0.05 µm: 2.0 gpm (7.6 lpm)
0.1 µm: 2.4 gpm (9.08 lpm)
0.2 µm: 3.5 gpm (13.25 lpm)
0.45 µm: 7.2 gpm (27.25 lpm)
1.0 µm: 12 gpm (45.42 lpm)

Chemical Compatibility:
Cartridge resists most acids and bases, pH 1-14, and most oxidizing agents. Consult factory for specific application information.

Product Specifications

Materials of Construction:

 
Filter Media: PTFE(polytetrafluoroethylene)
Support Material: Polypropylene
Hardware: Polypropylene
Gaskets/O-rings: Fluoroelastomer (standard),
Silicone Elastomer, Expanded PTFE,
White Silicone,
FEP Encapsulated Silicone, EPDM,
FEP Encapsulated Fluoroelastomer
 


Dimensions (nominal):

 
Outside Diameter: 2.6" (6.6 cm))
Lengths (tip-to-tip): 2.6" (6.6 cm)
4" (10.2 cm), 10" (25.4 cm),
20" (50.8 cm), 30" (76.2 cm),
40" (102 cm)
 
1 - Provided that the maximum differential pressure is not exceeded based on temperature limits defined above.

Performance

Pressure Drop vs. Liquid Flow Rate2

Pressure Drop vs. Liquid Flow Rate

2Typical flow rate is per 10" (25.4 cm) cartridge. For liquids other than water, multiply differential pressure by fluid viscosity (cps).

Prewetting Procedures:

See product insert T1101901 or consult factory.

Type

Filter Cartridges

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