External Pressure High Flow Filter Cartridge BWD
- Innovative horizontal folding structure greatly expands the effective fil tration area.
- High dirt-holding design enhances impurity interception and extends s ervice life.
- High-flow performance reduces filtration cost per unit flow.
- Quick-install structure minimizes downtime for
- Overview
- Product Parameters
- Quality Control
- Application Fields
- Product Dimension Drawing
- Recommended Products

I. Structural Design & Material Advantages
Adopting a dual O-ring sealing system with double sealing structure and elastic compensation mechanism to enhance sealing reliability, effectively preventing medium leakage and adapting to high pressure difference working conditions.
The inner skeleton made of glass fiber reinforced polypropylene features high strength and excellent chemical stability with outstanding deformation resistance, providing solid support for the filter cartridge.
The outer tightly wrapped polypropylene woven mesh forms a mechanical barrier to protect the filter material and improve particle impact resistance.
Combined with deep filtration design and multi-layer gradient pore structure, it builds a progressive interception system from outside to inside to capture impurity particles of different sizes and achieve precise filtration.
II. Performance Advantages & Technical Highlights
Ultra-large filtration area and high dirt holding capacity: The large-diameter structure expands filtration space, greatly improves dirt holding capacity and reduces replacement frequency.
Low-resistance smooth operation: Optimized fluid path design ensures low operating resistance and stable high flow output for a long time.
Excellent pressure resistance & chemical compatibility: The high-strength skeleton ensures superior pressure resistance; the material resists various acids, alkalis and solvents for wide medium adaptability.
Sustained filtration efficiency: The multi-layer gradient pore structure maintains stable filtration effect throughout the service life without performance attenuation.
III. Application Value & Cost-Effectiveness
Wide industry adaptability: Suitable for chemical industry, water treatment, food & pharmaceutical, metal processing and other fields to meet liquid filtration demands of various working conditions.
Cost-effective performance: Large dirt holding capacity extends replacement cycles; dual sealing design reduces maintenance costs; efficient filtration optimizes equipment investment and realizes overall cost savings.

Product Parameters
| Filter Element Length | 40" |
| Outer Diameter | 158mm |
| Filter Media | Polypropylene(PP),Glass Fiber(GF) |
| Core/Skeleton | Polypropylene (PP),Glass Fiber(GF) |
| Inner Core Structure | Pleated |
| Sealing Gasket | EPDM,Red Silicone,Nitrile Rubber (NBR) |
| Filtration Accuracy | 0.5μm,1μm,3μm,5μm,10μm,20μm,50μm,100μm |
Operating Conditions
| Max.Operating Temp. | PP82℃,GF121℃ |
| Max.Operating P | PP3.4bar@20°℃ GF3.4bar@20℃ |
| Rec.Filter Change P | 2.4bar@20°℃ |
| Flow Direction | Outside→Inside |
| Max.Design Flow | 40"30m3/h |
Quality Control
- Compliant with FDA 21 CFR standards, applicable to food and beverage processing.
- It meets the acceptance standard DL/T 1866-2018 issued by the National Energy Administration.
- The ISO 9001:2015 quality management system is strictly Operating Conditions implemented.
Application Fields
- RO Security Filtration System
- Used for NF/RO pretreatment
- Circulating Cooling Water
- Pharmaceutical wastewater
- Seawater Desalination
- Electronic industry wastewater
- power plant condensate filtration;
- filtration of raw materials,
- solvents and water in biopharmaceutical industry;
- filtration of bottled water, s
- ugar solution, edible oil, fruit juice, soft drinks, milk, etc.
Product Dimension Drawing
