PP Melt Blown Filter Cartridge | What Is a PP Melt Blown Filter and What Is It Used For?
The PP melt blown filter cartridge is a depth filter made from 100% virgin polypropylene microfibers with gradient density structure. The outer layer captures larger particles, while the inner layers trap finer contaminants, providing high dirt holding capacity and long service life. It is widely used for RO pre-filtration, drinking water systems, chemical filtration, and industrial process water treatment. Available in micron ratings from 1 to 100 microns.
1. Dimensional Specifications
| Length (Nominal) | 10" (250 mm) / 20" (500 mm) / 30" (750 mm) / 40" (1000 mm) |
| Outer Diameter (OD) | 2.5" (63 mm) — standard; 4.5" (115 mm) Big Blue available |
| Inner Diameter (ID) | 1.1" (28 mm) — standard |
| Tolerance | Length: ±2 mm / OD: ±1 mm |
2. Performance Specifications
| Micron Ratings (Nominal) | 1m, 5m, 10m, 20m, 50m, 100m |
| Initial Pressure Drop | <0.05 bar (10" cartridge at rated flow) |
| Max Differential Pressure | 3.4 bar (50 psi) at 25°C |
| Recommended Max DP for Replacement | 2.0 bar (30 psi) |
| Dirt Holding Capacity | ~200-500 g (20" 5m, depending on feed water) |
| Filtration Efficiency | >99% at rated micron (single-pass) |
3. Material Specifications
| Filter Media | 100% Virgin Polypropylene (PP) microfiber |
| Core Material | PP (standard) / SS304 (optional) |
| End Cap Material | PP (UV-stabilized) |
| FDA Compliance | Available on request (21 CFR 177.1520) |
4. Operating Conditions
| Max Operating Temperature | 60°C (140°F) continuous |
| Max Intermittent Temperature | 80°C (176°F) |
| pH Range | 1 — 13 (continuous) |
| Chemical Compatibility | Excellent with acids, alkalis, solvents, oils |
5. End Cap / Adapter Options
| DOE (Double Open End) | Standard flat gasket ends |
| SOE-222 | Single open end with 222 O-ring |
| SOE-226 | Single open end with 226 O-ring (bayonet) |
| SOE-120 | Single open end with 120 O-ring |
| 2-222 / 3-222 | Double/triple O-ring options |
| Custom | Available (MOQ applies) |
6. Flow Rate Guidelines
| 10" Cartridge | 0.5 GPM (1.9 L/min) — 5m |
| 20" Cartridge | 1.0 GPM (3.8 L/min) — 5m |
| 30" Cartridge | 1.5 GPM (5.7 L/min) — 5m |
| 40" Cartridge | 2.0 GPM (7.6 L/min) — 5m |
| Note | Higher flow rates possible at lower efficiency |
7. Applications
| Primary | RO pre-filtration, drinking water systems |
| Industrial | Process water, chemical filtration, electronics washing |
| Commercial | Food & beverage, hotels, hospitals |
| Municipal | Water treatment plants, booster stations |
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Wound String Filter Cartridge | What Is a Wound String Filter and How Does It Work?
The wound string filter cartridge is constructed from polypropylene, cotton, or nylon yarn tightly wound around a central core, offering filtration precision from 1 to 100 microns. It is suitable for water filtration, chemical processing, oil filtration, and coating applications where consistent depth filtration is required. The uniform winding pattern ensures long service life and reliable performance in standard 10 to 40 inch sizes.
Dimensional Specifications
| Length | 10" / 20" / 30" / 40" |
| OD / ID | 2.5" × 1.1" (standard) |
| Other Sizes | Custom upon request |
Material Options
| Fiber Material | PP (Polypropylene) / Cotton / Nylon |
| Core Material | PP / SS304 / SS316 |
Specifications
| Micron Ratings | 1m, 5m, 10m, 20m, 50m, 100m |
| Max Temp (PP fiber) | 60°C |
| Max Temp (Cotton fiber) | 90°C |
| Max DP (recommended) | 2.0 bar (30 psi) |
| End Caps | DOE, SOE-222, SOE-226 |
Applications
| Pre-filtration | High sediment well water, river water |
| Industrial | Paint, electroplating, chemical, oil & gas |
| Food & Beverage | Wine, beer, juice (cotton grade) |
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Carbon Block Filter Cartridge | What Is a Carbon Block Filter and Does It Remove Chlorine?
The carbon block filter cartridge is made from high-grade coconut shell activated carbon, effectively reducing chlorine, taste, odor, and organic contaminants at 5 to 10 micron filtration precision. It is widely used in drinking water systems, food service equipment, and industrial water polishing applications. The high carbon content ensures superior adsorption capacity and meets NSF/ANSI standards for quality and safety.
Specifications
| Length | 10" (250mm) / 20" (500mm) |
| OD Options | 2.5" Slim Line / 4.5" Big Blue |
| Micron Ratings | 5m, 10m (nominal) |
| Carbon Type | Coconut Shell GAC, Iodine Value >1000 mg/g |
| Chlorine Reduction (at rated flow) | >97% |
| VOC Reduction | >95% (per NSF 53) |
| Material | PP binder + Activated Carbon |
| Max Temp | 52°C (125°F) |
| Max DP | 2.0 bar (30 psi) |
| End Caps | DOE / SOE-222 / SOE-226 (slim); DOE / SOE (Big Blue) |
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PTFE Filter Cartridge | What Is a PTFE Membrane Filter and Why Is It Essential for High-Temp & Chemical Filtration?
The PTFE membrane filter cartridge features a microporous polytetrafluoroethylene (PTFE) membrane laminated on a support layer, delivering absolute filtration ratings and excellent chemical compatibility. It withstands temperatures up to 260掳C and resists virtually all chemicals, making it the preferred choice for pharmaceutical sterile filtration, chemical processing, and lithium battery electrolyte filtration.
Specifications
| Length | 10" / 20" / 30" / 40" |
| OD / ID | 2.5" × 1.1" (other on request) |
| Micron Ratings | 0.1渭m, 0.22渭m, 0.45渭m, 1渭m, 5渭m |
| Media | PTFE Membrane + PP / Polyester Support |
| Filtration Area (20") | >0.6 m² |
| Max Temp | 260掳C (500掳F) |
| Max DP | 4.2 bar (60 psi) at 25掳C |
| End Caps | DOE / SOE-222 / SOE-226 / SOE-120 |
| Applications | Pharmaceutical, Chemical, Li-ion Battery, Food & Beverage |
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PES Membrane Filter Cartridge | What Is a PES Membrane Filter and Why Is It Used in Pharma?
The PES (polyethersulfone) membrane filter cartridge offers hydrophilic filtration with low protein binding and high flow rates. Available in 0.22 and 0.45 micron ratings, it delivers consistent and reliable performance for critical applications in pharmaceutical processing, food and beverage production, and microelectronics manufacturing. The asymmetric pore structure provides higher flow rates than nylon or PVDF membranes at equivalent ratings.
Specifications
| Length | 10" / 20" / 30" / 40" |
| OD / ID | 2.5" × 1.1" (other on request) |
| Micron Ratings | 0.22渭m, 0.45渭m |
| Media | Hydrophilic PES (Polyethersulfone) |
| Support Layers | PP / Polyester |
| Filtration Area (20") | >0.6 m² |
| Max Temp | 80掳C (176掳F) |
| Max DP | 5.0 bar (72 psi) at 25掳C |
| End Caps | DOE / SOE-222 / SOE-226 / SOE-120 |
| Applications | Pharmaceutical, Food & Beverage, Microelectronics, Cosmetics |
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RO Membrane 4040 | What Is a 4040 RO Membrane and What Is Its Salt Rejection Rate?
The 4040 RO membrane element features thin-film composite (TFC) polyamide construction with 200 to 300 GPD output and 99.5 percent salt rejection rate. It is designed for brackish water desalination, tap water purification, industrial water treatment, and commercial RO systems. This standard 4-inch by 40-inch membrane is compatible with most RO pressure vessels and delivers consistent performance with proper pretreatment.
Dimensional
| Element Size | 4.0" × 40" (101.6 × 1016 mm) |
| Active Membrane Area | 85 ft² (7.9 m²) |
| Fiberglass Wrap | Standard outer wrap |
| Connections | Standard 4" male adapter |
Performance (at 2,000 ppm NaCl, 225 psi, 25°C)
| Permeate Flow Rate | 200-300 GPD (0.3-0.5 m³/h) |
| Stabilized Salt Rejection | 99.5% (nominal) / 99.0% (minimum) |
Operating Limits
| Max Operating Pressure | 4.1 MPa (600 psi) |
| Max Operating Temp | 45°C (113°F) |
| pH Range (continuous) | 2 — 11 |
| pH Range (short-term cleaning) | 1 — 13 |
| Max Feed Flow | 16 GPM (3.6 m³/h) |
| Max Feed SDI | 5 |
| Max Feed Turbidity | 1 NTU |
| Free Chlorine Tolerance | <0.1 ppm |
| Single Element Recovery | 15% max |
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RO Membrane 8040 | What Is an 8040 RO Membrane and What Flow Rate Does It Deliver?
The 8040 RO membrane element is an 8-inch by 40-inch TFC polyamide membrane delivering 1 to 1.5 cubic meters per hour with 99.5 percent salt rejection. It is used in large-scale industrial water treatment, boiler feed water systems, wastewater recycling, and seawater desalination plants. The high flow capacity and long service life make it suitable for continuous operation in standard 8-inch pressure vessels.
Dimensional
| Element Size | 8.0" × 40" (203.2 × 1016 mm) |
| Active Membrane Area | 365 ft² (34 m²) |
| Fiberglass Wrap | Standard |
| Connections | Standard 8" female adapter |
Performance
| Permeate Flow | 1.0-1.5 m³/h per element |
| Salt Rejection | 99.5% nominal / 99.0% min |
Operating Limits
| Max Pressure | 600 psi (4.1 MPa) |
| Max Temp | 45°C (113°F) |
| pH Range | 2-11 |
| Max Feed Flow | 75 GPM (17 m³/h) |
| Max SDI | 5 |
| Free Cl Tolerance | <0.1 ppm |
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Big Blue Filter Cartridge and Housing | What Is a Big Blue System and Where Is It Used?
Our Big Blue filter cartridges and housings provide maximum dirt holding capacity for high-flow applications. 20" × 4.5" (500 × 115 mm) Big Blue size, available in PP melt blown, carbon block, pleated, and wound configurations. Also known as big blue water filter, jumbo filter cartridge, or 4.5" × 20" filter cartridge. Complete housing assemblies with 1" or 1.5" NPT/BSP ports also available in PP or stainless steel.
Cartridge
| Size | 20" × 4.5" OD (500 × 115 mm) |
| Available Types | PP Melt Blown, Carbon Block, PTFE, PES, Wound |
| Micron | 5, 10, 20, 50m |
| Max Temp | 60°C |
| End Caps | DOE / SOE-222 / SOE-226 |
Housing
| Model | JZ-BB-H20 |
| Material | PP (NSF certified) |
| Port Connections | 1" NPT / 1.5" NPT / BSP |
| Max Pressure | 125 psi (8.6 bar) |
| Max Temp | 52°C (125°F) |
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Water Filter Housings | What Materials and Sizes Are Available for Filter Housings?
Our water filter housings are available in polypropylene and stainless steel (SS304 and SS316) for 10-inch and 20-inch slim and Big Blue cartridge sizes. Designed for commercial and industrial filtration systems, these housings offer pressure ratings up to 125 PSI, easy twist-open maintenance, and compatibility with standard 2.5-inch and 4.5-inch filter cartridges for versatile system integration.
Specifications
| Models | JZ-H10 (10" Slim), JZ-H20 (20" Slim), JZ-BB-H20 (20" Big Blue) |
| Cartridge Compatibility | 10"×2.5" / 20"×2.5" / 20"×4.5" Big Blue |
| Housing Material | PP (NSF certified) / SS304 / SS316 (food-grade) |
| Port Connections | 1/4", 3/8", 1/2", 3/4", 1" NPT or BSP |
| Max Pressure (PP) | 125 psi (8.6 bar) |
| Max Pressure (SS) | 150 psi (10.3 bar) |
| Max Temp (PP) | 80°C (176°F) |
| Max Temp (SS) | 100°C (212°F) |
| Mounting | Wall bracket (included) |
| Color (PP) | Blue or white |
| O-ring Material | EPDM (standard) / Viton / Silicone |
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