Sanitary Precision Filter (Stainless Steel Cartridge Filter Housing)

Product Overview

Zhongbo’s industrial precision filter (also known as a security filter or sanitary cartridge filter housing) is engineered to remove trace micro-particles, sediments, and bacterial impurities from processed liquids. Positioned as a critical guarding stage, it is widely utilized before high-pressure pumps, UV sterilizers, membrane filtration systems, or right before final packaging lines.

Constructed from heavy-duty stainless steel, our industrial precision filtration equipment ensures absolute clarity and biological safety for premium liquid processing lines, effectively protecting your high-value downstream machinery from particulate wear.

Technical Specifications & Working Principle

The liquid enters the filter chamber through the inlet and passes from the outside to the inside of the high-precision filter elements (such as PP melt-blown, pleated, or wire-wound cartridges).

Impurities and micro-particles are trapped securely on the surface or inside the multi-layered depth of the filter cartridges. The perfectly clarified, filtered fluid then flows upward and exits through the outlet port.

• Filtration Rating Options: 0.1 μm, 0.22 μm, 0.45 μm, 1 μm, 5 μm to 100 μm.

• Cartridge Capacity: Accommodates single or multiple cartridges (3-core, 5-core, up to 100+ cores) based on plant flow rate requirements.

Key Performance Features

• Full Stainless Steel Construction: Available in food-grade SS304 or superior pharmaceutical-grade SS316L. Every unit features mechanical or electrolytic mirror polishing ($Ra \le 0.4\,\mu\text{m}$) inside and out to prevent any material retention or bacterial growth.

• Quick-Opening Design: Features an ergonomic swing-bolt or quick-release V-clamp top closure style, allowing operators to complete filter cartridge inspection, cleaning, and replacement in minutes without specialized tools.

• No Bypass Leakage: Engineered with precise top-plate compressing mechanisms and high-temperature silicone/EPDM/Viton O-rings to guarantee zero bypass leakage under heavy hydraulic pressure.

• Full Sanitary Compliance: Designed in full accordance with hygienic engineering guidelines, complete with pressure gauge ports, air vent valves, and independent bottom drain valves for seamless integration into automatic lines.

Typical Industrial Applications

Our precision cartridge filters excel at polishing low-to-medium viscosity fluids across multiple processing industries:

• Beverage & Dairy: Final polishing of mineral water, beer, wine, syrups, fruit juices, and liquid dairy.

• Pharmaceuticals: Filtration of sterile water, biological infusions, eye drops, and medical solvent purification.

• Chemical & Water Treatment: Pre-filtration for RO (Reverse Osmosis) desalination systems and high-purity chemicals.

Complete Processing Train Integration

To maximize system protection and achieve automated fluid processing, this single filtration hardware can be seamlessly integrated into a wider Zhongbo production train:

• Downstream Thermal Treatment: Position this unit directly upstream of our high-capacity Sterilization Equipment lines (such as UHT tube sterilizers) to clear particles before thermal heating.

• High-Purity Flow Transfer: Pair with our tightly sealed Stainless Steel Pump configurations to transfer fluids through the precision cartridges without introducing seal wear or structural leakages.

Request a Factory-Direct Technical Quote

Are you seeking to enhance fluid purity, upgrade your reverse osmosis pre-treatment, or source bulk multi-cartridge housings?

Contact Zhongbo’s Engineering Team for a Custom Sizing Quote.

FAQs

Q: How do I choose the correct filtration rating (micron level) for my liquid process?

A: The micron rating depends entirely on your production goals and downstream equipment protection needs. For coarse pre-filtration or protecting high-pressure pumps, a 5μm to 10μm rating is standard. For clarifying juices, wines, or dairy liquids, 1μm to 3μm is common. If you require sterile filtration or cold biological polishing in pharmaceutical lines, we recommend choosing a 0.22μm or 0.45μm high-purity cartridge.

Q: What type of filter cartridges can this stainless steel housing accommodate?

A: Including PP melt-blown, stainless steel wire mesh, pleated membrane (PTFE/PES/PVDF), and activated carbon elements.

Q: How often should the filter cartridges be replaced or cleaned?

A: Cartridge replacement is typically determined by pressure variance rather than a fixed timeframe. We equip our housings with inlet and outlet pressure gauges. When the differential pressure (pressure drop) between the inlet and outlet reaches 0.15 MPa – 0.2 MPa, it indicates that the internal elements are saturated and should be replaced or cleaned to maintain optimal flow rates and prevent bypass leakage.

Q: Can this filter housing handle high-temperature liquids or CIP cleaning cycles?

A: Yes, absolutely. Manufactured from premium SS304 or SS316L, our housings easily withstand continuous high-temperature fluids and standard CIP (Clean-In-Place) or SIP (Sterilization-In-Place) thermal sterilization loops up to 120°C to 140°C. For high-temperature setups, we equip the housing seals with pharmaceutical-grade Viton or PTFE O-rings instead of standard silicone.