SKL Series PTFE Capsule Filters
PureFlo® PTFE filter capsules are highly retentive, hydrophobic PTFE membrane filters that have been specially designed for critical applications. The PTFE membrane in an all-polypropylene construction provides excellent chemical compatibility and superior flow per unit area as compared to other membrane capsules. No adhesives, binders, or surfactants are used in the manufacturing process.
Details
The hydrophobic PTFE membrane is ideally suited for aggressive chemicals such as acids, bases, and solvents. In addition, the hydrophobic membrane provides superior flow and pressure-drop characteristics per unit area for gas filtration and tank venting applications. All filter capsules are 100% integrity tested to ensure filter performance each and every time out of the package. PTFE filter capsules are well-suited for critical applications where superior flow and particle removal efficiency at 0.1 to 10.0 micron is required.
Specifications:
Material of Construction
- Membrane: Hydrophobic PTFE
- Membrane Supports: Polypropylene
- Cage, Core, End Caps, Capsule: Polypropylene
- Fitting Connections: MNPT, FNPT, Quick Couplings, Compression, Hose Barb, Sanitary Flange
Dimensions (Nominal)
- Length: 1.5 in (68 mm) Length: 2.5 in (98 mm)
- Length: 5.0 in (153 mm) Length 7.5 in (221 mm)
- Length: 10 in (276mm)
- Diameter: 2.88 in (73 mm)
Effective Filtration Area
- 1.5 in – 0.70 ft2 (650 cm2) 2.5 in – 1.34 ft2 (1250 cm2)
- 5.0 in – 2.6 ft2 (2400 cm2) 7.5 in – 4.3ft2 (3980 cm2)
- 10 in – 5.2 ft2 (4800 cm2)
Operating Conditions
- Maximum Operating Pressure:
- Liquid: 5.5 bar (80psi) at 72°F/22°C
- Gas: 4.1 bar (60psi) at 72°F/22°C
- Minimum Burst Pressure:
- 8.3 bar (120psi) at 72°F/22°C
- Maximum Forward Differential Pressure:
- 4.11 bar (60psi) at 72°F/22°C
- Maximum Reverse Differential Pressure:Maximum Operating Temperature:
- 2.1 bar (30psi) at 72°F/22°C
- PP & Gamma PP: 176°F/80°C
- HDPE: 140°F/60°C
Applications
- Acids
- Bases
- Solvents
- Fine Chemicals
- Plating Solutions
- Process Water
- Ink Jets
- Electronics
- Pharmaceuticals
- Venting
- Dyes
- Lacquers
Features
- Naturally Hydrophobic PTFE Membrane
- Wide Chemical & Thermal Compatibility
- Low Filter Extractables
- Quality Manufacturing
Benefits
- High flow rates with low pressure drop per unit area as compared to other filter materials
- Superior filter lifetime and process throughputs
- Provides excellent compatibility with a wide-range of chemicals such as acids, bases, and solvents
- No media migration into the process fluid
- No adhesives, binders, or surfactants are used during the manufacturing process resulting in superior downstream cleanliness
- All cartridges are rinsed with high-purity water to reduce extractables and downtime
- Consistent and reproducible particulate removal
Custom Capsule/Cartridge Filter Specifications and Fact Sheets:
| Filter Information | Diameter |
| Junior Capsules | 41 mm |
| Junior Cartridges | 29 mm |
| SKV Series PES Filter Capsules | 70 mm |
| RD65 Series Filter Capsules | 65 mm |
| SKS Series Filter Capsules | 71.5 mm |
| SKL Series PTFE Filter Capsules | 73 mm |
| D90R Filter Capsules | 90 mm |
