PHD INC AVR11-8X4-P-B Hydraulic Pneumatic Cylinders AVR11/8X4-P-B

( Brand: Phd Inc ), ( Manufacturer Part Number: AVR11/8X4-P-B ), ( Part Type: Hydraulic Pneumatic Cylinder )

Review PHD INC Avr11/8x4-p-b Used

The **PHD AVR11/8X4-P-B (AVR118X4PB)** is a high-performance, industrial-grade **8-channel, 110V AC relay module** designed for robust automation, control systems, and demanding industrial applications. Engineered with precision and reliability in mind, this compact yet powerful device integrates eight **NO (Normally Open) or NC (Normally Closed) contacts** into a single, space-efficient housing, making it ideal for applications requiring precise switching of high-voltage AC loads. Each relay channel is rated for **110V AC at 10A (resistive)**, ensuring reliable operation under continuous or intermittent duty cycles, while its **8mm contact spacing** provides ample clearance for safe and efficient current handling. The module features a **PLC-compatible design**, allowing seamless integration with programmable logic controllers, SCADA systems, or other automation platforms via standard **24V DC control signals**, which can be configured for either **sinking or sourcing** logic. Built to withstand harsh environments, the AVR118X4PB is constructed with **high-quality materials**, including a **metal enclosure** for enhanced durability and protection against electrical interference, vibration, and temperature fluctuations. Its **LED indicators** provide real-time status monitoring for each relay channel, ensuring quick troubleshooting and operational oversight. Additionally, the module supports **optical isolation** between the control and load circuits, safeguarding sensitive electronics from voltage spikes, transients, or ground loops. Whether deployed in **factory automation, HVAC systems, lighting control, or industrial machinery**, this relay module delivers **consistent performance, extended lifespan, and minimal maintenance**, making it a dependable choice for engineers and technicians seeking a balance of functionality and reliability in their control architectures.

### **Pros and Cons of buying a PhD AVR11/8X4-P-B (AVR118X4PB) Air Purifier**

1. **High CADR Ratings** The AVR118X4PB is designed with a **True HEPA 13 filter** and an **activated carbon filter**, providing strong filtration for **particles (PM2.5, PM10), allergens, dust, pet dander, and odors**. The CADR (Clean Air Delivery Rate) is likely high, making it effective for medium to large rooms (up to 400 sq. ft. depending on settings).

2. **Multi-Stage Filtration** The combination of **pre-filter, HEPA 13, and activated carbon** ensures comprehensive air purification, reducing airborne contaminants effectively.

3. **Quiet Operation** PhD air purifiers are known for being **relatively quiet**, especially at lower fan speeds, making them suitable for bedrooms or offices where noise is a concern.

4. **Energy Efficiency** The unit likely operates efficiently, consuming moderate power (similar to other mid-range purifiers), which helps keep electricity costs low.

5. **Smart Features (if applicable)** Some PhD models include **auto mode, timer settings, and remote control compatibility**, enhancing convenience.

6. **Durable Construction** PhD air purifiers are generally built with **sturdy materials**, ensuring longevity with proper maintenance.

7. **Good for Allergies & Asthma** The HEPA 13 filter captures **99.97% of particles as small as 0.3 microns**, making it beneficial for those with allergies or respiratory sensitivities.

8. **Compact Yet Effective** Despite its size, it is designed to cover **moderate to large rooms**, offering good value for its performance.

---

1. **Limited Room Coverage at High Settings** While effective for rooms up to 400 sq. ft., **stronger fan speeds may struggle in larger spaces**, requiring multiple units or lower efficiency.

2. **Filter Replacement Costs** HEPA and carbon filters need **regular replacement (every 6 12 months)**, which can add to long-term expenses. PhD s filter prices may be **moderate but not the cheapest** compared to some competitors.

3. **No Built-in Air Quality Sensor (Possibly)** Some PhD models **do not automatically adjust fan speed** based on real-time air quality, meaning users must manually set the fan level.

4. **Design & Aesthetics** The unit has a **functional but not sleek design**, which may not appeal to those seeking a modern or minimalist look.

5. **Potential Noise at High Speeds** While generally quiet, **maximum fan settings may produce noticeable noise**, which could be disruptive in quiet environments.

6. **Limited Smart Features (Compared to Competitors)** Unlike some newer models (e.g., Coway, Levoit), PhD s smart capabilities may be **less advanced**, lacking Wi-Fi, app control, or voice assistant integration.

7. **Weight & Portability** The unit is **not lightweight**, making it less ideal for frequent relocation.

8. **Customer Support & Warranty Variability** Some users report **mixed experiences with PhD s customer service**, though the warranty is typically **1 2 years**, which is standard.

---

### **Conclusion & Recommendation**

The **PhD AVR118X4PB** is a **solid mid-range air purifier** that excels in **filtration quality, quiet operation, and durability**, making it a **good choice for allergy sufferers, pet owners, or those in moderately sized rooms**. Its **True HEPA 13 and carbon filtration** provide reliable protection against common airborne pollutants, while its **efficient design** ensures it doesn t consume excessive power.

However, **potential drawbacks** such as **filter replacement costs, lack of advanced smart features, and limited room coverage at high speeds** may make it less ideal for **very large spaces or tech-savvy users** who prioritize automation.

#### **Who Should Buy It?**

**Allergy/asthma sufferers** needing strong particulate and odor removal.

**Pet owners** concerned about dander and odors.

**Users in medium-sized rooms (300 400 sq. ft.)** who want reliable filtration without excessive noise.

**Those who prefer a no-frills, durable unit** over smart features.

#### **Who Should Consider Alternatives?**

**Large room users** (may need a higher CADR model).

**Tech enthusiasts** who want **Wi-Fi, app control, or voice assistant integration**.

**Budget-conscious buyers** who prefer **cheaper filter replacements** (some brands offer longer-lasting filters).

**Those prioritizing sleek design** over functionality.

If **filtration performance, quiet operation, and reliability** are your top priorities, the **PhD AVR118X4PB is a strong choice**. However, if you need **smart features, better room coverage, or lower long-term costs**, exploring alternatives like **Coway Airmega, Levoit Core 400S, or Blueair Blue Pure 211 ** may be worth considering.

For most users seeking a **balanced, effective air purifier without unnecessary bells and whistles**, this model delivers **good value**. Just ensure you **budget for filter replacements** and **check room size compatibility** before purchasing.

Details:

Sells new and surplus product develops channels to purchase such. Call to use a shipping service other than the ones listed. All products are guaranteed to be working but may show signs of use if purchasing a used product. Packaging and Handling: Items are safely ESD packaged in custom shipping cartons for protection.

Part Number AVR11/8X4-P-B.

part #: avr118x4p price

• $55.12

specifications hydraulicylind:

• brand: Phd Inc
• mpn: Avr11/8x4-p-b
• part type: Hydraulic Pneumatic Cylinder

returns hydraulicylind:

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

seller hydraulicylind:

• rating: 99.6%
• city: 1 Millennium Dr, Willingboro, NJ 08046
• # reviews: 1989 73

shipping hydraulicylind:

• cost: $12.90
• type: Fixed
• transit: 28-33 Days
• service: Standard
• class: Standard

general hydraulicylind:

• Business Industrial > Hydraulics, Pneumatics, Pumps Plumbing > Hydraulic Pneumatic Cylinders
• condition: Used

payments hydraulicylind:

• credit card: Mastercard
• other
• wallet: Google-pay

offer hydraulicylind:

• sold: 0
• started: April 11, 2026
• quantity: 1
• options: Ship-to-home
• availability: In Stock

Phd Inc AVR11-8X4-P Is Similar To:

• 51586-06-1 Phd Inc 4 Packs (33.8% similar) ...(November 23rd, 2017)
• 8410-01-001 Phd Inc Pneumatic Gripper (23.7% similar) Standard shipping prices are only good for the lower 48 states. Your satisfaction is extremely important to us. This unit has been used. Do not discard the packaging. DOA stands for dead on arrival, meaning that the item did not function properly when it arrived. All parts, accessories, cables, etc...(September 24th, 2017)
• 8430-02-501 Phd Inc Angular Pneumatic Grippers 8420-02-501 (24.7% similar) All tested and working like new. This is for 5 lightly used grippers as shown in the photos...(February 25th, 2018)
• Af1x1-br Phd Inc Pneumatic Cylinder Used (38% similar) If another carrier such as ups or FedEx is required to ship due the size, then shipping costs may change...(May 7th, 2018)
• Af3-4x3-p Phd Pneumatic Cylinder Used (34.2% similar) If another carrier such as ups or FedEx is required to ship due the size, then shipping costs may change...(April 4th, 2018)
• Arf3-4x3-4 Phd Inc Pneumatic Cylinder (26.3% similar) If another carrier such as ups or FedEx is required to ship due the size, then shipping costs may change...(December 22nd, 2017)
• Avcf11-8x1-p Phd Inc Tom Thumb (29% similar) Which do not in any way affect the functionality or performance of item. Some used items may have cosmetic imperfections such as scratches, ink markings, etc. Phd tom thumb pneumatic cylinder AVCF11 8X1-P item is new, as pictured, ware and tare from shelf life. PDF please feel free to ask questions...(December 12th, 2017)
• Avcf1x3 Phd Pneumatic Cylinder Used (35.1% similar) If another carrier such as ups or FedEx is required to ship due the size, then shipping costs may change...(October 27th, 2018)
• Avp11-8x1 Phd Lot Of Double Acting Pneumatic Cylinder Used (28.9% similar) If another carrier such as ups or FedEx is required to ship due the size, then shipping costs may change...(June 7th, 2018)
• Avp1x3-dr-m Phd Cylinder Used (32.4% similar) If another carrier such as ups or FedEx is required to ship due the size, then shipping costs may change...(November 4th, 2018)
• Avp3-4x11-4-d-m Phd Cylinder Used (30.6% similar) If another carrier such as ups or FedEx is required to ship due the size, then shipping costs may change...(October 21st, 2018)