GWPES

Summary

Product identification

GWPES-Series High Purity Water Service Grade Polyethersulfone Filter Cartridges are a value-oriented, reduced surface area choice for cost-effective, general purpose membrane filtration. They feature a highly retentive polyethersulfone membrane with excellent flux density and low protein-binding. The naturally hydrophilic membrane wets easily for maximum utilization of surface area. Cartridges are manufactured in a clean-room environment and designed to tolerate repeated hot water sanitization and in-situ steam sterilization cycles.

Typical Applications:

• Deionized Water Systems
• General-Use Water Filtration
• Liquid Clarification
• Recirculating Fluids
• Chemical Filtration

Mechanical / hydraulic

Dimensions:

• Length: 10 to 40 inches (25.4 to 101.6 cm) nominal
• Outside Diameter: 2.70 inches (7.0 cm) nominal

Operating limits:

• Change Out ΔP (recommended): 35 PSID
• Temperature (max): 176˚F (80˚C)
• Differential Pressure (max): 50 PSID (3.4 bar) at 68˚F (20˚C)

Flow Rate vs Pressure Drop: See the official PDF for specific flow rate versus pressure drop curves.

Food Safety Compliance

Materials of construction comply with FDA regulations for food and beverage contact use as detailed in the US Code of Federal Regulations, 21CFR. Materials used to produce filter media and hardware are deemed safe for use in contact with foodstuffs in accordance with EU Directives 2002/72/EC, 1935/2004, and/or 10/2011.

Materials of Construction

• Membrane: Polyethersulfone
• Support Media: Polypropylene
• End Caps: Polypropylene
• Center Core: Polypropylene
• Outer Support Cage: Polypropylene
• O-Rings/Gaskets: Buna, EPDM, Silicone, Teflon® Encapsulated Viton®, Viton®, Teflon® Encapsulated Silicone

Sanitization and Sterilization

• Filtered Hot Water: 80˚C for 30 min.
• Steam Sterilization: 121˚C for 30 min., multiple cycles
• Chemicals: Cartridges are compatible with most chemical sanitizing agents.
• Note: A stainless steel insert option is required for all cartridges being hot water sanitized or steam sterilized.

Toxicity

All polypropylene components meet the specifications for biological safety per USP Class VI – 121˚C for plastics.

Ordering Information

The GWPES product code allows for customization based on several parameters:

• Rating (µ): 0.04, 0.1, 0.2, 0.45, 0.65, 0.8
• Length:
  • 10” (25.4 cm)
  • 20” (50.8 cm)
  • 30” (76.2 cm)
  • 40” (101.6 cm)
• End Cap Style:
  • 2 = DOE Flat Gasket
  • 3 = 222 w/ Fin
  • 4 = 222 w/ Flat Cap
  • 6 = 226 w/ Flat Cap
  • 7 = 226 w/ Fin
  • 16 = 213 Internal O-Ring
  • 28 = 222 3-tabs w/ Fin
• O-Rings/Gaskets:
  • B = Buna
  • E = EPDM
  • S = Silicone
  • T = Teflon® Encapsulated Viton®
  • V = Viton®
  • Z = Teflon® Encapsulated Silicone
• Adders:
  • CS = 316SS Compression Spring
  • I = Stainless Steel Insert
  • R = 18 Megaohm Rinse

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Disclaimer: This summary is based on extracted text and may not include all figures, footnotes, or the latest revisions. Contractual data must match the OEM PDF revision used on the project.

Official datasheet (PDF)

Lenntech datasheet mirror