Choosing the right stainless steel bag filter housing depends on flow rate, pressure rating, and the type of liquid being treated. This guide highlights five robust options suitable for industrial filtration, oil and water separation, or purification tasks. Each product is described with who it’s best for, why it was selected, and a practical caveat. The summary table below helps compare core specs at a glance.
| Product | Material | Inlet/Outlet | Max Pressure | Best For |
|---|---|---|---|---|
| TTeralmon 2″ NPT | 304/SS | DN50 | 150 psi | Heavy-duty filtration, large bags |
| TBVECHI 2″ NPT | 304SS | 2″ | 150 psi | Adjustable height, easy maintenance |
| TTeralmon 1.5″ NPT | 304SS | Side inlet | 1 MPa | Compact, efficient filtration |
| Pazcii 2″ NPT | 304SS | 2″ | 150 psi | High filtration area, turbulence reduction |
| YIYIBYUS PRM 2″ NPT | 304SS | 2″ | 150 psi | Solid-liquid separation, reinforced basket |
2″ NPT Stainless Steel Bag Filter w/Mesh 150 PSI — TTeralmon
The TTeralmon 2″ bag filter housing is built for multi-purpose filtration at up to 150 psi. It features a stainless steel bag with reinforced mesh and a quick-opening mechanism. The filter assembly is designed for easy maintenance and strong circulation. Suitable for industrial liquids with moderate particulate loads and higher flow requests.
Best for: facilities requiring a compact, rugged filter with straightforward operation and a relatively high flow potential.
Limitation: assembly dimensions are sizable; ensure adequate installation space and mounting provisions. The surface finish is polished for easier cleaning but may require periodic maintenance to sustain seal integrity.
2″ NPT Heavy Duty Bag Filter Housing — TBVECHI
TBVECHI’s 2″ NPT filter housing emphasizes adjustable height (about 1145 mm) and a smooth exterior achieved through sandblasting and polishing. With a low tendency for side leakage, this unit supports quick bag replacement and energy-efficient operation. It’s well-suited for systems that require easy maintenance and stable filtration in challenging industrial environments.
Best for: facilities needing a height-adjustable, easy-to-clean system with quick bag changes and reduced operating costs.
Caution: verify stable mounting and foot clearance in tight spaces to avoid interference with inlet/outlet connections.
1.5″ NPT Stainless Steel Bag Filter Housing — TTeralmon
This 1.5″ NPT unit provides a balance between footprint and filtration area, offering 2.48 ft² of filtration surface. Liquid enters from the side, promoting smooth flow and reducing turbulence that can compromise filter life. Reinforced mesh basket and a stainless steel bag contribute to reliable impurity capture and predictable filtrate quality.
Best for: smaller lines or plants needing strong filtration performance in a compact footprint.
Limitation: slightly lower flow capacity than larger models; verify system throughput matches the intended application.
2″ NPT Bag Filter Housing — Pazcii
Pazcii offers a high filtration area of 4.95 ft² in a 2″ NPT design, optimized by side inlet flow to maintain smooth liquid movement and minimize turbulence. The package includes a reinforced basket and a stainless steel filter bag suited for solid-liquid separation applications, including water, oil, or chemical filtration workflows.
Best for: processes requiring a large filtration area within a 2″ housing and predictable filtration efficiency.
Limitation: ensure compatible filter bag fineness and gasket materials to preserve integrity under compatible liquids.
PRM #2 Bag Filter Housing — YIYIBYUS
The YIYIBYUS PRM housing uses a reinforced mesh basket and a dual-port design with a 2″ NPT inlet/outlet, rated up to 150 psi. It emphasizes easy height adjustment via movable feet to fit installation height requirements. This unit is designed for solid-liquid separation and reliable filtration in industrial settings.
Best for: environments needing adjustable mounting height and dependable filtration performance with a robust stainless steel frame.
Caution: confirm compatible filter bags and seals for long-term leak prevention in demanding liquids.
Duda Energy 304 Stainless Steel Filter Bag — 7″ x 32″
This Duda Energy bag features 100-mesh (149 microns) 304 stainless steel, with dual hanging straps and a welded ring for secure bag support. It is designed to withstand higher pressures than plastics and offers long-term corrosion resistance, making it a solid choice for filtration tasks that require durable filter bags.
Best for: replacing or upgrading to a corrosion-resistant filter bag with strong support rings in demanding service.
Limitation: bag fineness may affect filtration economics; verify compatibility with your system’s target particle size.
Duda Energy 304 Stainless Steel Filter Bag — 7″ x 16″
This second Duda Energy option uses 180-mesh (82 microns) stainless steel and dual hanging straps, offering high corrosion resistance and strong performance under pressure. It is suitable for tighter filtration tasks where smaller particulates must be captured and retained within the bag.
Best for: refining filtration with finer bag media in stainless steel bags for challenging liquid streams.
Buying Guide: Key Considerations For Stainless Steel Bag Filters
What liquid and particulates will you handle?
Identify the liquid type, viscosity, and typical particle sizes. Heavier or more abrasive liquids may require a tougher housing and reinforced mesh baskets, while cleaner liquids benefit from simpler, cost-effective designs.
What flow rate and pressure are required?
Match the system’s maximum flow rate and operating pressure with the housing’s rating (psig/psi). Overloading a unit beyond its intended capacity reduces filtration efficiency and may cause leaks or failures.
What bag material and fineness do you need?
Stainless steel bags come in various mesh sizes. Finer meshes capture smaller particles but may reduce flow. Ensure compatibility between bag material and the liquid to avoid chemical degradation.
Is maintenance accessibility important?
Consider quick-opening mechanisms, ease of bag change, and whether the unit’s exterior is easy to clean. Some models offer adjustable feet or removable components to simplify upkeep.
What installation space is available?
Check unit height and footprint. Adjustable stands and compact designs help when space is limited, but ensure there is room for bag changes and routine maintenance.
Are there mounting and safety requirements?
Look for built-in mounting holes, sturdy feet, and robust seals. Proper anchoring reduces vibration and movement during operation, extending the life of seals and connections.
FAQ
How do I choose between 1.5″ and 2″ bag filters?
Choose 2″ for higher flow and larger filtration areas, suitable for heavier processes. Opt for 1.5″ when space is limited or when the flow requirements are moderate.
What does “reinforced mesh basket” mean for filter bags?
It refers to a sturdier basket that supports the filter bag, preventing collapse under pressure and improving bag life and filtration consistency.
Can I reuse metal bags after cleaning?
Most metal filter bags are designed for single use or require specialized cleaning; consult the bag manufacturer’s guidelines before reusing.
Is stainless steel better than plastic for bag housings?
Stainless steel offers superior corrosion resistance, higher pressure tolerance, and longer service life in demanding liquids, making it preferable for industrial applications.
Do these units require special seals or gaskets?
Yes. Use the recommended O-rings or gasket materials compatible with your liquid to prevent leaks and maintain filtration efficiency over time.
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