Stainless Steel Bag Filter – Professional Liquid Filtration Equipment

Parameter Specification

Housing material High-quality stainless steel (mirror polished / pressed / sandblasted surface)

Filtration principle Bag filtration with metal basket support

Filter media Filter bags (replaceable)

Operation mode Closed-system, pressure-driven

Structure Compact, novel design

Applications Liquid filtration, purification, separation, and recovery

Security Bag Filter – Supplementary Introduction

The security bag filter (also referred to as a precision filter) is generally constructed with a 

stainless steel shell. The internal filter elements can be selected from various types including:

· PP melt-blown filter elements

· Wire-wound filter elements

· Pleated filter elements

· Titanium filter elements

· Activated carbon filter elements

Selection of the appropriate filter element type is based on the specific filter medium and 

process design requirements.

Performance Characteristics

Feature Description

High filtration precision Uniform filter element pore size ensures consistent particle removal

Low filtration resistance High flow capacity with strong contaminant retention

Long service life Durable construction extends operational intervals

High cleanliness Filter element material does not contaminate the filter medium

Chemical resistance Resistant to acids, alkalis, and other chemical solvents

High strength Temperature-resistant; filter element resists deformation

Cost-effective Low purchase price and operating costs

Easy maintenance Simple cleaning and filter element replacement

Key Advantages

Versatile Application

Suitable for filtering various liquids across multiple industries, with flexible filter element 

options to match specific process requirements.

Efficient Solid-Liquid Separation

The bag filtration system effectively removes particles of varying sizes, achieving the desired

 liquid purity and clarity.

Durable Construction

High-quality stainless steel with polished or sandblasted surface finish provides excellent 

corrosion resistance and long-term durability.

Easy Maintenance

Filter bags can be quickly replaced without special tools, minimizing downtime and simplifying 

routine maintenance.

Closed-System Operation

The sealed design prevents contamination and ensures safe, clean working conditions.

Application Scope

The stainless steel bag filter is suitable for:

· Liquid filtration and purification across various industries

· Separation and recovery of solid particles from liquids

· Chemical and petrochemical processing

· Water treatment and wastewater filtration

· Food and beverage processing

· Pharmaceutical and cosmetic manufacturing

· Paint, coating, and ink production

· Electronics and semiconductor manufacturing

Frequently Asked Questions

Q1: What is the difference between a bag filter and a cartridge filter?

A1: A bag filter uses a fabric bag as the filter medium with higher flow capacity and larger 

dirt-holding capacity. A cartridge filter uses tubular elements (PP, titanium, etc.) with finer

 filtration precision. The choice depends on application requirements.

Q2: What filter bag materials are available?

A2: Various materials including polypropylene, polyester, nylon, and PTFE are available to 

suit different chemical compatibility and temperature requirements.

Q3: How often should the filter bag be replaced?

A3: Replacement frequency depends on the contaminant load and operating conditions. 

Monitoring the differential pressure across the filter bag is the recommended method for

 determining replacement timing.

Q4: What is the operating temperature range?

A4: The temperature range depends on the filter bag material selected. Please consult our

 technical team for specific temperature compatibility.

Q5: Is the filter suitable for corrosive liquids?

A5: Yes. The stainless steel housing provides excellent corrosion resistance, and various filter

 bag materials are available for chemical compatibility with corrosive fluids.

Q6: What customization options are available?

A6: Customization includes various stainless steel grades, connection types, filter bag materials,

 and sizes. Contact us to discuss your specific requirements.

Q7: Can the filter bag be cleaned and reused?

A7: Depending on the bag material and application, some filter bags can be cleaned and reused.

 However, replacement is recommended for consistent performance and quality.

Q8: What documentation is provided with each shipment?

A8: Each unit ships with a factory test report, operating manual, and material certificates upon

 request.

Summary

The stainless steel bag filter offers a reliable and cost-effective liquid filtration solution with 

a durable stainless steel housing, versatile filter bag options, and simple maintenance. 

Its compact design, high efficiency, and broad chemical compatibility make it suitable for 

diverse industrial applications.

Contact our technical team for detailed specifications, filter bag selection, and project-specific 

quotations.