Glass fiber wounded filters
Puerwound GF Series – Glass Fiber String Wound Filter Cartridge
glass fiber wounded filters – The Puerwound GF series glass fiber string-wound filter cartridge is designed for superior control of particulate contamination in high-temperature and chemically aggressive high viscosity liquids.
It is manufactured using premium glass fiber yarn wound in a precise honeycomb structure over a stainless steel 304 or 316 spiral tube.
The cartridge features a graded density depth filtration design, with:
- A low-density outer layer for capturing coarse particles and reducing pressure drop
- A progressively tighter inner layer for fine particle retention
Each layer of glass fiber wounded roving contributes to true depth filtration, effectively trapping particles throughout the cartridge thickness rather than only on the surface.
Why Purewound filters work at high temperature?
Metal Inner Core
No melting, softening, or degradation at elevated temperatures
No binder or polymer that breaks down
NO Thermal Swelling
Pore size stays stable
Filtration accuracy is maintained
High thermal shock resistance
Can handle rapid temperature changes without cracking
Why they work with high-viscosity fluids?
Rigid pore structure
- High viscosity means high pressure drop
- Rigid filters don’t collapse or blind easily
Lower flow resistance geometry
- Wedge-wire / mesh designs have:
- Straight-through flow paths
- Large open area
- Less tortuosity
Surface filtration (not depth)
- Thick fluids struggle to penetrate deep media
- Surface filters allow:
- Easier flow
- Easier cleaning
Purewound advantages for viscous, Hot fluids
Can be cleaned by backflushing or burning off residue
Withstand high differential pressure
Reusable → lower operating cost
Compatible with oils, polymers, resins, bitumen, molten materials
Specifications:
Outer diameter: 55 mm or 65 mm
Lengths: 10″ to 70″
Core material: SS 304 / SS 316
Media: High-temperature glass fiber
Filtration mechanism: Depth filtration
Advantage Glass Fiber wounded Filter
- One-piece metal extended canter core
- Suitable for Parker Fulflo Multi cartridge vessel
- Double Open End (DOE)
- Chemical compatibility
- Max temperature 401oC
Applications:
- High-temperature viscous fluids
- Hot oils and resins
- Chemical processing
- Petrochemical and industrial process filtration
Important checks before final selection
To ensure optimal performance, confirm:
- Maximum operating temperature
- High Viscosity (cP) of the liquid
- Required micron rating
- Differential pressure limits
- Chemical compatibility (especially binders, if any)
More look at
We have other range of wounded filter Cartridges in RO Protect pre filtration
