Duragaf Filter bags

Summary

Product Identification

DURAGAF™ Extended Life Filter Bags are state-of-the-art needled felt bag filter media, designed to offer significantly longer lifespan and improved filtration performance compared to ordinary felt media. They typically last 2-5 times longer.

Key features and benefits include:

• Extended Lifespan: 2-5 times longer than ordinary felt media, leading to reduced operating costs through lower bag consumption, downtime, change-out labor, storage, and disposal.
• Superior Dirt Holding Capacity: Utilizes a fiber blend with a finer fiber diameter and higher weight, resulting in dramatically higher dirt holding capacity at the same efficiency and differential pressure.
• All-Welded Construction: 100% welded fabrication and the HAYWARD SENTINEL seal eliminate bypass common in standard sewn filter bags. Proprietary welding technology ensures a super-strong seam.
• Patented SENTINEL Seal: Standard on all DURAGAF filter bags, this unique, pressure-actuated ring improves its seal as differential pressure increases.
• No Downstream Fiber Contamination: Manufactured with a proprietary downstream surface treatment to prevent fiber migration. The surface is glazed, melting fibers together to form a tight, secure downstream matrix. Weld seams are heat bonded to eliminate loose fibers.

Available materials:

• Polypropylene (code POXL)
• Polyester (code PEXL)

Product Codes and Options

PRODUCT CODES

• POXL: Polypropylene
• PEXL: Polyester
• POXLF: Polypropylene Food Grade
• PEXLF: Polyester Food Grade

Collar/Ring Type

• P: Plain
• E: Polypropylene SENTINEL Ring, Welded (for POXL, POXLF)
• H: Hytrel SENTINEL Ring, Welded (for PEXL)
• Z-WW: Santoprene SENTINEL Ring, Welded (for PEXLF)

Food and Beverage Applications

DURAGAF filter bags are available in models (POXLF, PEXLF) which are compliant with FDA and EC requirements for food contact.

Mechanical / Hydraulic

DURAGAF filter bags feature a unique construction of "Extended Life Felt" which includes finer fibers, more pores, and thicker media compared to standard polypropylene felt. The surface of this extended life felt is designed for no fiber release and full flow through surface channels.

Micron Ratings

Available micron ratings:

• 1 µm
• 5 µm
• 10 µm
• 25 µm
• 50 µm
• 100 µm

Bag Sizes

• Code 01: ø 180 x 430 mm
• Code 02: ø 180 x 810 mm

Packaging

• Bags/Box: 30 or 50
• Box Size (mm): See the official PDF for exact tabulated values, as the coding in the extract is ambiguous.

Performance

Graphs in the original document illustrate that DURAGAF filter bags (both Polypropylene and Polyester) provide significantly longer relative filter bag life across all tested micron ratings (1, 5, 10, 25, 50, 100 µm) compared to standard filter bags.

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Disclaimer: This summary is based on extracted text and may not include all figures, footnotes, or the latest revisions from the original OEM PDF. For contractual data, always refer to the specific OEM PDF revision used on the project.

Official datasheet (PDF)

Lenntech datasheet mirror