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Guardian™ AT Filters

Hydrophobic membrane for ultra-high purity chemicals
 
Guardian™ AT Filters
  • Ideal for higher temperature applications
  • All-fluoropolymer materials of construction provide a broad range of chemical compatibility. Suitable for a variety of chemicals and solvents
  • Highly retentive hydrophobic PTFE membrane made of Telfon® fluoropolymer resin provides excellent removal of small, critical-size particles to ensure low particle counts in chemical delivery systems
  • ATX: Large membrane surface area to deliver high flow rates at minimal pressure drop
 
Guardian™ AT Cartridge Filters
Materials:
 Membrane: Hydrophobic PTFE

Supports: PFA supports, core sleeve and end caps

O-rings: Teflon® fluoropolymer encapsulated Viton® fluoroelastomer O-ring (TEV), Chemraz® perfluoroelastomer, or Kalrez® perfluoroelastomer
Connections:
 Code 0 (2-222)
Membrane area:
 9000 cm2 (9.69 ft.2)
Maximum operating conditions:
 Maximum forward differential pressure: 0.45 MPa (4.5 bar, 64 PSID) at 25°C

Maximum reverse differential pressure: 0.35 MPa (3.5 bar, 50 PSID) at 25°C

Maximum operating temperature: 150°C (302°F) at 0.5 bar (7.3 PSI)
Cleanliness:
 Filter contributes <2 particles/mL >=2 μm after five-minute flush at 5 L/min.
Guardian™ ATX Cartridge Filters
Materials:
 Membrane: Hydrophobic PTFE

Supports: PFA supports, core sleeve and end caps

O-rings: Teflon® fluoropolymer encapsulated Viton® fluoroelastomer O-ring (TEV), Chemraz® perfluoroelastomer, or Kalrez® perfluoroelastomer
Connections:
 Code 0 (2-222)
Membrane area:
 20”: 26000 cm2 (28 ft.2)

10”: 13000 cm2 (14 ft.2)

4”: 5000 cm2 (5.4 ft.2)
Maximum operating conditions:
 Maximum forward differential pressure: 0.45 MPa (4.5 bar, 64 PSID) at 25°C

Maximum reverse differential pressure: 0.35 MPa (3.5 bar, 50 PSID) at 25°C

Maximum operating temperature: 150°C (302° F) at 0.5 bar (7.3 PSI)
Cleanliness:
 Filter contributes <2 particles/mL >=2 μm after five-minute flush at 5 L/min.
Guardian™ ATX Disposable Filters
Materials:
 Membrane: Hydrophobic PTFE

Supports: PFA 440 HP supports, core, and sleeve

Shell: PFA 440 HP vent plugs and housing shell made of Teflon fluoropolymer resin

Nuts: Non-wetted component, PFA 440 HP
Membrane area:
 10”: 13000 cm2 (14 ft.2)

4”: 5000 cm2 (5.4 ft.2)
Maximum operating conditions:
 Maximum forward differential pressure: 0.45 MPa (4.5 bar, 64 PSID) at 25°C

Maximum reverse differential pressure: 0.35 MPa (3.5 bar, 50 PSID) at 25°C

Maximum operating temperature: 150°C (302°F) at 0.5 bar (7.3 PSI)
Cleanliness:
 Filter contributes <2 particles/mL >=2 μm after five-minute flush at 5 L/min.
Compatibility:
 Guardian ATX disposable filters are optimized for performance in chemical delivery systems for sulfuric acid, nitric acid, acetic acid, phosphoric acid, hydrochloric acid, hydrogen peroxide, organic strippers and various non-flammable solvents. For point-of-use recirculation applications and filtration of other liquids, consult Entegris.
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