PI9211DRGVST25 Oil Filter Element

Products Description

The PI9211DRGVST25 replacement hydraulic oil filter is a high-performance stainless steel wire mesh filter cartridge designed to be fully compatible with the original PI9211DRGVST25 series filtration systems. This replaceable filter element is the essential consumable component within PI9211 series filter modules and compatible industrial filtration assemblies, widely used in hydraulic power units, lubrication systems, steel mills, power plants, and mobile machinery.

Within hydraulic and lubrication systems, the PI9211DRGVST25 replacement filter element is typically installed in pressure line filters, suction filters, or continuous oil purification circuits where reliable removal of solid contaminants is critical to system reliability and component longevity. As a surface filter with stainless steel wire mesh media, the element captures solid particles larger than the rated micron size on the mesh surface.

Specification

This is the specification of the standard PI9211DRGVST25 oil filter element. If you need other part number, please contact us.

Type	PI 9211 DRG VST 25
Nominal filter flow rate	110 L/min
Height	248 mm
Outer diameter	47 mm
Inner diameter	25.50 mm
Mounting diameter	25.50 mm
Filter material	Stainless-steel wire mesh
Filter element filtration rating	25 micron
Filtration surface area	1,030 cm²
Operating pressure	210 bar
End-cap material	Stainless-steel end cap

Features

High-Efficiency Depth Filtration: Features advanced pleated media designed for excellent contaminant capture and retention, effectively maintaining required fluid cleanliness levels to protect sensitive components.

Durable & Reliable Construction: Built with a robust inner support core and securely bonded end caps to withstand pressure differentials and prevent media migration, ensuring stable performance throughout its service life.

Essential System Protection: Safeguards sensitive hydraulic components from abrasive wear, helping to maintain operational efficiency, reduce repair frequency, and maximize equipment uptime.

Cost-Effective Maintenance Solution: Provides a high-value, reliable alternative for preventive maintenance programs, contributing to a lower total cost of ownership.

Manufacturer of Replace Oil Filter Element

Huahang Filter is a professional filtration manufacturer with over a decade of experience in designing and producing high-quality replacement filter cartridges. Since our founding in 2009, we have focused on delivering filtration solutions that balance performance, durability, and cost-effectiveness.

Product Profile of Huahang Filter

Huahang serves a global clientele across vital sectors. Our portfolio spans:

Sintered Filters: For high-temperature gas filtration, polymer melt filtration, and critical fluid protection.
Replacement Filter Elements: Precision equivalents for major OEM brands (including Parker, Hydac, Pal and others), ensuring system compatibility without compromise.
Oil Filter Cartridges: A full spectrum of depth, particulate, and coalescing filters for lubrication, hydraulic, and fuel systems.

In addition to standard models, Huahang filter can also provide customized service according to customer needs, including dimensions, materials, end caps, and filter housings. Please contact us for specific information.

Applications

Steel Mills and Heavy Metal Processing : Filters hydraulic and lubricating oil in rolling mills, continuous casting lines, blast furnace controls, and heavy plate processing equipment. The reusable design reduces long-term consumables costs in these high-wear environments.
Power Generation : Protects turbine bearing lubrication systems, coal mill lubrication circuits, generator cooling oil systems, and hydraulic control systems in thermal, hydroelectric, and wind power facilities.
Industrial Hydraulic Systems : Removes solid particles and gelatinous contaminants from hydraulic fluid in manufacturing equipment, plastic injection molding machines, hydraulic presses, and machine tools.
Petrochemical and Chemical Processing : Filters process fluids, chemical streams, and lubrication circuits in refineries, chemical plants, and gas processing facilities where stainless steel provides superior chemical resistance.
Marine and Shipbuilding : Protects hydraulic steering systems, deck machinery controls, thruster hydraulics, and engine lubrication circuits operating in saltwater environments.

FAQ

Q1: What is the flow direction through this element?
A: The flow direction is outside-in. Hydraulic fluid enters from the outside of the element and passes through the filter media to the inner core, capturing contaminants on the outer layers.

Q2: How do I know when to replace this filter element?
A: Replace when the differential pressure indicator signals, when pressure drop reaches the manufacturer’s recommended maximum, or during scheduled maintenance intervals (typically every 2000-4000 operating hours).

Q3: What industries commonly use this PI9211DRGVST25 filter element?
A: This element is widely used in metallurgy (rolling mills, continuous casting), power generation (turbine lubrication, speed control systems), injection molding, heavy industrial machinery, petrochemical processing, marine applications, and various industrial hydraulic systems requiring high-pressure filtration.

Custom Service

At Huahang Filter, we offer robust customization services to meet your specific filtration requirements.

Custom Filtration Ratings: Available from 1μm to 25μm to match your exact particle removal requirements.
Custom Seal Materials: NBR, Viton, EPDM, or PTFE-encapsulated options available.
Custom End Caps: Alternative materials or configurations to fit unique housings.
Special Media Options: Wire mesh for cleanable applications or enhanced cellulose blends.
Custom Packaging: Bulk packaging or individual boxes with branding and instructions.

Contact Huahang Filter today to discuss your MOOG B645662V replacement filter element requirements and request a quote!

FAQ

What is the difference between a standard filter and a custom filter?

Standard filters are mass-produced in fixed sizes and specifications, while custom filters are designed to match specific equipment dimensions, operating conditions, and filtration requirements. Custom filters improve sealing, efficiency, and service life.

How do I select the right filter for my application?

Filter selection depends on fluid or air type, particle size, flow rate, pressure, temperature, and compatibility with the system. Providing operating data helps ensure optimal filtration performance.

Will your replacement filter cartridges damage my equipment? Is the quality guaranteed?

Absolutely not. Our replacement filter cartridges strictly adhere to OEM dimensions, interfaces, and performance standards, using equivalent or superior filter materials, and have passed rigorous ISO testing and end-user validation. We provide a quality guarantee to ensure the safe operation of your equipment.

We don't have a specific model number, only operating condition requirements. Can you help us select a suitable model?

Yes, but you need to provide:

① the filtering medium (oil, gas, water, chemical liquid?);

② flow rate, pressure, and temperature;

③ required filtration accuracy;

④ connection type.

Our technical team will recommend the most economical solution for you.

How can I ensure that this filter element can be adapted to my device/system?

We have multiple ways to ensure compatibility:

Provide original filter element information: Please provide the brand, model, clear photos or detailed dimension drawings of your existing filter element (especially the interface type and size, length, outer diameter, inner diameter).

Provide equipment information: Tell us your equipment brand, model or application scenario, etc.

Contact us: Our technical team has rich experience and can quickly determine or design a fully compatible replacement filter element based on the information you provide. It is recommended that you contact us directly to obtain the most accurate adaptation plan.

How do you ensure the quality and performance of the filter element?

Quality is our lifeline. We insist on:

Strict material selection: Use high-quality raw materials that meet industry standards.

Advanced technology: Use automated or precision-controlled production processes.

Multiple quality inspections: Implement full-process quality inspections from raw material storage to finished product delivery (including size, sealing, filtration efficiency, integrity testing, etc.).

Performance testing: Key products will undergo actual working condition simulation testing.

Compliance with standards: Our production and products comply with [e.g.: ISO 9001].

Customized verification: For customized filter elements, we will confirm key performance indicators with customers and provide test reports (if necessary).

What is a dust collector filter used for?

Dust collector filters remove airborne dust and particulate matter from industrial processes such as welding, grinding, woodworking, and powder handling to protect equipment and improve air quality.

How often should dust collector filter cartridges be replaced?

Replacement depends on dust load, operating hours, and cleaning efficiency. A consistent increase in pressure drop is a common indicator that the filter needs replacement.

Can dust collector filters be cleaned and reused?

Many cartridge filters are designed for pulse-jet cleaning, but they are not permanently reusable. Over time, media fatigue reduces performance and replacement becomes necessary.

What micron rating is best for hydraulic oil filtration?

Common hydraulic filters range from 3 to 25 microns. The optimal rating depends on system sensitivity and manufacturer specifications.

What happens if a hydraulic oil filter is not replaced on time?

Delayed replacement can cause pressure loss, valve sticking, pump wear, and reduced system efficiency, leading to costly downtime.

Where are precision filters commonly used?

Precision filters are widely used in electronics manufacturing, pharmaceuticals, food processing, chemical processing, and high-purity fluid systems.

How does precision filtration affect system performance?

Precision filtration improves product quality, extends equipment life, and reduces unplanned downtime caused by contamination.

What is the difference between a coalescer filter and a separator filter?

They are two distinct technologies often used together to remove liquids from a gas or liquid stream. The key difference is their core function:

A Coalescer Filter merges tiny, invisible liquid droplets into large, heavy ones.

A Separator Filter catches and drains those large droplets from the flow.

How They Work:

Coalescer: The stream passes through a special media (like fine fibers). Microscopic aerosol droplets collide and merge (coalesce) into drops large enough to drain. It solves the problem of suspended mist.

Separator: The flow then enters a chamber with baffles or vanes. The now-large droplets hit the surfaces, fall out by gravity, and collect in a sump. It provides the final, clean separation.

Are stainless steel filter elements washable?

Yes, most stainless steel filter elements can be cleaned using backflushing, ultrasonic cleaning, or chemical cleaning methods.

PI 9211 DRG VST 25 Oil Filter Element

Products Description

Specification

Features

Manufacturer of Replace Oil Filter Element

Product Profile of Huahang Filter

Applications

FAQ

Custom Service

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