Sanitary Stainless Steel Filter Housing: Design And Materials Of Miniature Wine Filters

For wine filtration in 1"-10" sanitary processing lines, a sanitary stainless steel cartridge housing micro filter achieves microbial stability and clarity through pore size selection. Select 0.45 μm cartridges for complete bacterial reduction; 0.65 μm cartridges for yeast removal. Use SS316L with Ra ≤ 0.8μm finish for wine acidity resistance; SS304 suits water service. Install with clamp connections for frequent cartridge changes or threaded for permanent installation. Vertical orientation with drain ports enables complete evacuation. The sanitary strainer (pre-filter) protects the cartridge from large particulates, extending cartridge life.

Pore Size Selection for Wine Applications

The filtration mechanism retains microorganisms based on particle size. Bacteria require 0.45 μm pores for effective reduction. Yeast cells are retained at 0.65 μm.

Filtration parameters:

• 🔬 0.45 μm nominal: Complete microbial stabilization

• 🧫 0.65 μm nominal: Yeast removal, partial bacteria reduction

• 📊 Depth cartridge: Graded pore structure for particle loading

• 🧪 Surface cartridge: Membrane retention for defined cut-off

Cartridge Housing Design

The sanitary filter housing stainless construction features SS316L wetted parts with internal surfaces polished to Ra ≤ 0.8μm. This finish prevents bacterial adhesion and enables effective CIP protocols. SS304 offers adequate performance for water and less aggressive media.

Housing specifications:

• Material: SS316L (wetted), SS304 (non-wetted)

• Connections: Clamp or thread (1"-10" sizes)

• Pressure rating: 10 bar at 130°C

• Surface finish: Ra ≤ 0.8μm internal

Sanitary Strainer and Filter Integration

The sanitary strainer provides pre-filtration using reusable wire mesh (100-500 μm) to protect the cartridge filter from large particulates. The cartridge filter then captures fine particles down to sub-micron levels. This two-stage approach extends cartridge life and reduces operating costs.

System configuration:

1. Inlet strainer: Removes coarse particles

2. Cartridge housing: Holds replaceable filter elements

3. Vent port: Allows air release and integrity testing

4. Drain port: Complete evacuation for CIP/SIP

Material Selection

The sanitary filter housing stainless with SS316L provides resistance to wine acidity (pH 3.0-3.6) and sulfite preservatives. EPDM gaskets suit general service; silicone offers higher temperature tolerance for SIP cycles.

Connection Types and Installation

Clamp connections:

• Tool-free assembly and disassembly

• Crevice-free joint meeting 3A standards

• Suited for frequent cartridge changes

Threaded connections:

• Permanent, leak-tight installation

• Lower cost than clamp connections

• Requires thread sealant for closure

Installation checklist:

1. Verify housing orientation (vertical preferred for drainage)

2. Install cartridge with proper O-ring seating

3. Torque connections to specification

4. Test integrity with pressure hold or bubble test

Maintenance and Service Life

Maintenance schedule:

1. Replace cartridges when pressure differential exceeds 2 bar

2. Inspect housing gaskets quarterly for cracking or hardening

3. Clean housing internally with CIP solution

4. Validate filter integrity post-replacement

The sanitary filtration system ensures wine clarity and microbial stability. The sanitary strainer and cartridge housing work together to optimize efficiency. Proper selection of the sanitary filter housing stainless material and connection type determines service life and maintenance frequency.

Sanitary Stainless Steel Cartridge Housing Micro Wine Filter

These filter housings are manufactured from 304 or 316L stainless steel of the highest quality, available in 1,3,5,8.....45 round configurations and in 10 inch, 20 inch, 30 inch and 40 inch length cartridge.
Stainless steel cartridge filter housings are suitable for a variety of liquid filtration applications(high purity beverage, chemicals and pharmaceuticals, water treatment, alcohol beverage industry, etc). 

• Mirror Surface Finish Complete Stainless Steel Construction;
• Easy To Install Design With Sanitary Connections, Easy to Clean;
• Housings Accommodate From One (1) to Many 10", 20", 30" or 40" Cartridges;
• Clean-in-Place (CIP) /Steam-in-Place (SIP) Design;

Product Description