Operational Versatility: No Tools Required

We prioritize the operator’s time. Our housings are available with various closure systems to suit your maintenance schedule:

Single Bag Units: Feature Quick-Change Clamp or Eye-Bolt closures for tool-free, rapid bag replacement.

Multi-Bag Units (Up to 36 Bags): For massive flow requirements, we offer Swing-Top Closures equipped with Davit Arms and Spring-Lifting Covers. This allows a single operator to manage even the largest vessels safely and easily.

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Key Technical Features Liquid Bag Filter Housing 

High Flow Efficiency: Ideal for high-viscosity liquids or high-flow water treatment where cartridge filters might clog too quickly.

Easy Maintenance: Equipped with quick-swing bolts or davit arm covers for rapid bag change-outs, minimizing downtime

Precision Sealing: Designed with a positive seal mechanism to prevent “bypass,” ensuring 100% of your liquid passes through the filter bag.

Standard Compatibility: Fits all global standard filter bag sizes (Size #1: 7×17 inches, Size #2: 7×32 inches).

Frequently Asked Questions (FAQ)

1. How many bags can the K Filter LBFH housing accommodate?

We offer a standard range from single-bag units up to 36-bag multi-vessels. For specialized industrial requirements, we can provide fully customized housings beyond 32 bags to meet your specific flow rate.

2. Are your housings suitable for the Oil & Gas industry in the Middle East?

 Yes. Our housings are built from high-grade SUS316L, Carbon Steel and super duplex, designed to withstand the high temperatures and pressures common in petrochemical and oil & gas plants across the Middle East and Africa.

3.Do I need special tools for bag changes?

 No. Our “Quick-Change” models utilize clamp or eye-bolt closers that allow for tool-free maintenance. For larger multi-bag units, the davit arm and spring-lifting mechanism make opening the heavy top cover effortless.

4. How does the design protect the filter bag?

Our internal geometry is engineered to separate pressure and prevent turbulence. This reduces the physical stress on the filter bag, preventing premature bursting and ensuring a lower pressure drop (ΔP) across the system.

5. Can these housings be used for medical or food-grade liquids?

Absolutely. We manufacture in SUS304 ,SUS316L and super duplex with high-quality surface finishes that are stain-resistant and meet the hygiene standards required for European medical and food-processing applications

6. What inlet/outlet sizes do you offer for multi-bag filter housings?

Our multi-bag housings (up to 32 bags) are available with flange sizes ranging from 2″ to 14″ (DN350). We can also provide custom sizes for specific high-flow industrial requirements.

7. Can I get a bag filter housing with a Victaulic connection?

Yes. While flanges are standard, we frequently manufacture bag housings with Victaulic (grooved) ends for customers in the water treatment sector who require fast, flexible assembly.

8. Are the connections rated for high temperatures?

Absolutely. Our flanged and threaded connections are designed to match the high-temperature rating of the SUS316L or Carbon Steel vessel, ensuring safety even in extreme industrial processes.

9. Are your bag housings suitable for corrosive chemicals?

Yes. By utilizing SUS316L stainless steel , Super duplex and specialized interior coatings, our bag housings are specifically designed to handle aggressive chemicals and medical-grade liquids without staining or structural degradation.

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Are you able to prove third-party certification 

Yes, K Filter can provide and support Third-Party Certification for all our filter housings. Because our products are used in high-pressure and critical-care environments (like medical and chemical processing), we ensure they meet the rigorous standards required for the Middle East, Europe, and Africa.

Here is how we handle third-party verification:

1. Available Certifications & Compliance

We manufacture according to international pressure vessel codes. Upon request, we can provide documentation for:

• CE Marking (PED 2014/68/EU): Essential for the European market to ensure pressure equipment safety.

• ASME Section VIII: The global standard for pressure vessel design, often required in the Middle East oil and gas sectors.

• ISO 9001:2015: Certification for our quality management and manufacturing processes.

• Material Traceability (EN 10204 3.1): We provide mill test reports to prove the chemical composition of our SUS304, SUS316L, and Carbon Steel.

2. Third-Party Inspection Agencies

We regularly work with world-renowned inspection bodies. You can request a third-party witness or “Thread/Stamp” from:

• SGS

• TÜV SÜD / TÜV Rheinland

• Bureau Veritas (BV)

• Intertek

3. Testing Protocols

Before any third-party certification is issued, every housing undergoes:

• Hydrostatic Pressure Testing: Usually at 1.5× the design pressure.

• Non-Destructive Testing (NDT): Including X-ray or Ultrasonic testing on weld joints.

Surface Roughness Testing: For sanitary/medical housings to ensure they are “stain-free” and polished to your exact Ra requirements.

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When choosing between Stainless Steel 316L and Super Duplex, you are essentially choosing between “Standard High Quality” and “Extreme Engineering.”

In the markets you serve—particularly the Middle East (Desalination & Oil) and Europe (Chemical & Marine)—this choice is critical for the lifespan of the filter housing.

Comparison: 316L Stainless Steel vs. Super Duplex (S32750/S32760)

Feature	Stainless Steel 316L	Super Duplex Steel
Composition	16-18% Cr, 10-14% Ni, 2-3% Mo.	25% Cr, 7% Ni, 4% Mo + Nitrogen.
Corrosion Resistance	Excellent for general use and fresh water.	Extreme. Resistant to high-chloride and seawater.
Yield Strength	Approx. 290 MPa (Standard).	Approx. 550+ MPa (Double the strength).
Pitting Resistance (PREN)	Typically 24 – 26.	Typically 40 – 45 (Superior in salt spray).
Weight Advantage	Standard.	Thinner walls can be used due to high strength.
Cost	Economical and widely available.	High Investment (due to complex alloy).