# Wedge Wire (WW)

> Fil-Trek Cartridge Filters. Canonical page: https://www.fil-trek.com/products/cartridge-filters/ww

Category: Cartridge Filters
Series: WW
Model format: `WW-[MEDIA]-[MICRON]-[LENGTH]-[END CAP]-[SEAL]-[OPTIONS]`
Example: `WW-S6-225-20-E2-BN`

## Overview
Stainless steel wedge wire cartridges provide precise slot filtration for demanding liquid and gas duties, with long on-stream performance and simple mechanical cleaning

## How It Works
Fluid passes through vee-shaped slots; oversized particles are retained on the surface to form a porous cake, promoting stable flow and easy backwash while clean fluid exits the core

## Applications
- High-temp/high-pressure intake strainers and coarse solids removal (50–900 µm)
- Seawater/desal intake, produced water, and refinery/chemical utility guards
- Reusable backwashable elements for CIP/solvents/caustics
- Nozzle, pump, and heat-exchanger protection

## Physical Specifications
- **flow direction:** Outside-to-inside, Inside-to-outside
- **backwash-able:** Yes
- **outside diameter options:** 2.5"
- **inner diameter options:** 1"
- **nominal length options:** 10", 20", 30", 40"
- **end cap options:** DOE W/ Gaskets, SOE W/ 222, SOE W/ 226 & Fin, SOE W/ 1" MNPT, SOE W/ 1" FNPT
- **caps materials:** Stainless 304, Stainless 316, 2507, C-276 Hastelloy
- **cores materials:** Stainless 304, Stainless 316, 2507, C-276 Hastelloy
- **gasket material options:** Buna-N, EPDM, Silicone, Viton, Teflon, Teflon encap. Viton

## Media Specifications
- **media primary options:** Stainless 304, Stainless 316, Titanium, C-276 Hastelloy
- **micron ratings:** 50, 75, 80, 100, 125, 150, 200, 225, 300, 375, 550, 900
- **media rating:** Nominal
- **changeout dp:** 15 PSID
- **burst pressure:** 300 PSID
- **max temperature:** 500°F (Synthetic seals), 1500°F (NPT)
- **approvals certifications:** None

## Housing Compatibility
- Standard cartridge filter housings

## Ordering
- Model format: `WW-[MEDIA]-[MICRON]-[LENGTH]-[END CAP]-[SEAL]-[OPTIONS]`
- Example: `WW-S6-225-20-E2-BN`

### Seal codes
- **BN:** Buna-N
- **EP:** EPDM
- **SI:** Silicone
- **VI:** Viton
- **TEV:** Teflon encap. Viton

### Media codes
- **2507:** SD 2507
- **S4:** Stainless 304
- **S6:** Stainless 316
- **C276:** C-276 Hastelloy

### Cap codes
- **E2:** Double Open End W/ Gaskets
- **E4:** Single Open End W/ 222
- **E12:** Single Open End W/ 1" MNPT
- **E13:** Single Open End W/ 1" FNPT

### Option codes
- **B:** Internal Bands Tube Guide Support

### Size codes
- **10:** OD 2.5", ID 1", length 10"
- **20:** OD 2.5", ID 1", length 20"
- **30:** OD 2.5", ID 1", length 30"
- **40:** OD 2.5", ID 1", length 40"

### Micron ratings
- 50, 75, 80, 100, 125, 150, 200, 225, 300, 375, 550, 900

## Contact
- **sales@fil-trek.com** — all filtration product inquiries, projects, filter housings, and filtration systems
- **filters@fil-trek.com** — replacement filter media, filter elements, filter bags, hardware, and spare parts

## Links
- HTML: https://www.fil-trek.com/products/cartridge-filters/ww
- Markdown: https://www.fil-trek.com/products/cartridge-filters/ww.md