PORVAIR PK30S3CA Keystone Micron Polykey Ctg Fin Epr Filter 222/FIN

( Brand: Porvair ), ( Manufacturer Part Number: PK30S3CA ), ( Part Type: Filter ), ( Micron Rating: 30 Micron )

Review PORVAIR Keystone 30 Micron Inch Polykey Ctg 222/fin Epr Filter

The **Porvair PK30S3CA Keystone 30-micron PolyKey CTG 222/FIN EPR Filter** is a high-performance, precision-engineered filtration solution designed for demanding applications requiring exceptional particle retention and durability. Engineered with Porvair s proprietary **PolyKey ** technology, this filter combines a robust **polypropylene (PP) depth media** with a **sintered polypropylene (PP) prefilter layer**, delivering an optimal balance of flow efficiency and contaminant capture. The **30-micron nominal rating** ensures reliable separation of particles down to 30 microns, making it ideal for fluid systems where fine particulate removal is critical such as in laboratory instrumentation, medical devices, industrial lubrication, and sensitive manufacturing processes. The **Keystone design** features a secure, leak-proof connection system, ensuring consistent performance and ease of installation, while the **CTG 222/FIN EPR** variant incorporates a **high-temperature-resistant elastomeric seal**, enhancing compatibility with a wide range of solvents, oils, and aggressive chemicals. Constructed from **food-grade, medical-grade, and pharmaceutical-compliant materials**, this filter adheres to strict industry standards, including **ISO 80369-3 (small-bore connectors)** and **USP Class VI testing**, making it suitable for applications in pharmaceutical manufacturing, biotechnology, and cleanroom environments. Its **compact yet sturdy housing** minimizes dead space, maximizing flow rates while maintaining precision filtration, and the **self-supporting structure** eliminates the need for external mounting hardware, simplifying integration into existing systems. Whether used in **gas filtration, liquid filtration, or mixed-phase applications**, the PK30S3CA delivers consistent performance under high-pressure conditions, withstanding temperatures up to **120 C (248 F)** and pressures as high as **10 bar (145 psi)**. Its **low extractables and non-toxic properties** further reinforce its reliability in critical applications where contamination control is paramount. Ideal for both OEM equipment and retrofitting existing setups, this filter exemplifies Porvair s commitment to innovation, offering a versatile, high-efficiency solution for industries where precision, durability, and compliance are non-negotiable.

### **Pros and Cons of buying a Porex Porvair PK30S3CA Keystone 30 Micron Polykey CTG 222/FIN EPR Filter**

1. **High Filtration Efficiency** The 30-micron rating effectively captures particles larger than 30 microns, making it suitable for applications requiring moderate to high particulate removal, such as air filtration, liquid filtration, or pre-filtration in critical systems.

2. **Durable and Chemical-Resistant Material** The Polykey (polypropylene) construction provides good chemical resistance, making it suitable for use with many solvents, oils, and mild acids/bases. It is also resistant to moisture, ensuring stability in humid or wet environments.

3. **Reusable and Cost-Effective** Unlike disposable filters, this filter can be cleaned and reused multiple times, reducing long-term operational costs. This makes it ideal for applications where frequent filter changes would be expensive.

- **Air filtration** (e.g., in cleanrooms, laboratories, or HVAC systems)

- **Liquid filtration** (e.g., in hydraulic systems, lubrication circuits, or process fluids)

- **Pre-filtration** before finer filters to extend their lifespan

- **General industrial and automotive applications** where particulate contamination must be controlled

5. **Standardized Size and Compatibility** The **222/FIN** designation indicates a standard size (likely 2.22 inches in diameter, though exact dimensions should be verified), making it easy to source replacements and integrate into existing systems.

6. **EPR (Extended Performance Range) Rating** The "EPR" designation suggests enhanced performance beyond standard specifications, potentially offering better flow rates or longer service life under demanding conditions.

7. **Easy Installation and Maintenance** The Keystone-style design (likely a threaded or snap-in fit) allows for straightforward installation and removal, simplifying filter changes or cleaning procedures.

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1. **Limited Fine-Particle Capture** At 30 microns, this filter does not capture very fine particles (e.g., dust, smoke, or bacteria). For applications requiring sub-micron filtration (e.g., sterile environments or high-precision fluid systems), a finer filter (e.g., 1 10 microns) would be necessary.

2. **Potential Clogging Over Time** While reusable, the filter will eventually clog with particulate matter, reducing flow efficiency. This may require more frequent cleaning or replacement, depending on usage intensity.

3. **Material Limitations** Polypropylene, though durable, may degrade under extreme temperatures, prolonged UV exposure, or exposure to highly aggressive chemicals (e.g., strong oxidizers like bleach or concentrated acids). Always verify compatibility with the specific chemicals in your application.

4. **Maintenance Requirements** Reusable filters require regular cleaning to maintain performance. Improper cleaning (e.g., using abrasive materials or harsh chemicals) can damage the filter media, reducing its lifespan.

5. **Cost of Replacement Parts** If the filter housing or seals wear out over time, replacement parts may be required, adding to the total cost of ownership.

6. **Flow Restriction** As the filter accumulates particulates, resistance to flow increases, potentially requiring backflushing or replacement more frequently in high-flow applications.

7. **Not Suitable for Sterile Applications** Due to its micron rating and material, this filter is not designed for sterile filtration (e.g., in medical or pharmaceutical settings where bacterial or viral contamination must be eliminated).

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The **Porex Porvair PK30S3CA Keystone 30 Micron Polykey CTG 222/FIN EPR Filter** is a robust, reusable option for applications requiring moderate particulate filtration in air, liquids, or industrial systems. Its chemical resistance, durability, and cost-effectiveness make it a practical choice for general-purpose filtration where fine particulate removal is not critical. However, it is not ideal for sterile environments, high-precision fluid systems, or applications demanding sub-micron filtration.

For users in **cleanrooms, laboratories, or systems requiring sterile conditions**, a finer filter (e.g., 1 10 microns) would be more appropriate. For **industrial or automotive applications** where cost efficiency and durability are priorities, this filter is well-suited.

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- You need a **reusable, cost-effective** solution for **moderate particulate filtration** (30 microns).

- Your application involves **air, hydraulic fluids, lubricants, or general industrial liquids** where chemical resistance is important.

- You require a **standardized, easy-to-install** filter for pre-filtration or general contamination control.

- You need **sterile or sub-micron filtration** (e.g., for medical, pharmaceutical, or high-precision fluid systems).

- Your environment exposes the filter to **extreme temperatures, UV light, or highly aggressive chemicals** (e.g., strong oxidizers).

- You require **ultra-high flow rates** without frequent maintenance, as clogging may occur quickly.

- A **disposable fine filter** (e.g., 1 10 microns) is needed for critical applications.

- You require **higher temperature resistance** (e.g., PTFE or metal filters may be better).

- Your system demands **automatic backwashing** or self-cleaning mechanisms to reduce maintenance.

For most **general industrial, automotive, or pre-filtration uses**, this filter provides excellent value. Always verify compatibility with your specific fluids and operating conditions before purchase.

Details:

The Porvair Keystone PK30S2AA 30 Micron 20 Polykey Ctg 222/blind W Epr Filter is a high-quality water filter designed for industrial applications. The 20 size makes it suitable for a wide range of applications, while the Porvair brand ensures reliability and performance. Perfect for use in water systems, this filter helps maintain system efficiency and extend the lifespan of equipment. Free Shipping Lower 48.

With a micron rating of 30 microns, this filter effectively captures contaminants and ensures smooth operation hydraulic systems.

part #: pk30s3ca price

• $159.99

specifications hydraulivalv:

• brand: Porvair
• mpn: Pk30s3ca
• part type: Filter
• micron rating: 30 Micron

shipping hydraulivalv:

• service: USPS Ground Advantage
• type: Calculated
• carrier: USPS
• cost: $0.00
• transit: 3-8 Days
• class: Standard

returns hydraulivalv:

• time: 30 Days
• policy: Returns Accepted
• method: Money back
• paid by: Buyer

offer hydraulivalv:

• quantity: 4
• sold: 0
• started: May 12, 2026
• availability: In Stock
• options: Ship-to-home

seller hydraulivalv:

• # reviews: 4226
• city: Elsie, Michigan
• rating: 99.7%

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general hydraulivalv:

• Hydraulics, Pneumatics, Pumps Plumbing > Hydraulic Filters Cartridges > Hydraulic Filters
• condition: New

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