PHD INC HVB3-4X3-1-4-V Hydraulic Pneumatic Cylinders HVB3/4X3-1/4-V

( Brand: Phd Inc ), ( Manufacturer Part Number: HVB3/4X3-1/4-V ), ( Part Type: Hydraulic Pneumatic Cylinder )

Review PHD INC Hvb3/4x3-1/4-v Used

The **PhD HVB3/4x3-1/4-V HVB34X314V** is a high-performance, heavy-duty hydraulic valve block designed for precision fluid power applications in industrial, agricultural, and mobile machinery. Engineered with robust construction and meticulous engineering, this valve block is ideal for systems requiring reliable control of hydraulic flow, pressure, and direction making it a versatile component in hydraulic circuits where efficiency and durability are paramount. The **HVB3/4x3-1/4-V** designation indicates its compact yet powerful design, featuring a **3/4-inch (19 mm) port size** for the main hydraulic connections and a **3/16-inch (4.8 mm) pilot port**, allowing for seamless integration into systems with varying flow demands. Its **V-series configuration** suggests a versatile mounting orientation, accommodating both vertical and horizontal installations, which enhances flexibility in system design and space optimization.

Constructed from high-grade **cast aluminum alloy**, this valve block offers an excellent balance of strength, weight savings, and resistance to corrosion, ensuring longevity even in demanding environments. The internal architecture incorporates precision-machined passages and chambers, minimizing internal leakage and maximizing hydraulic efficiency. The **HVB34X314V** variant is equipped with a **3-position, 4-way directional control valve**, enabling precise control over actuator movement ideal for applications such as lifting mechanisms, clamping systems, or hydraulic cylinders in construction, material handling, or agricultural equipment. The valve s **spring-centered design** provides stable operation, reducing the risk of unintended movement or drift, while its **pilot-operated mechanism** allows for smooth, responsive control via external pilot pressure.

Safety and reliability are prioritized in its design, with features such as **pressure relief protection** to prevent system overload and **sealed internal components** to maintain cleanliness and reduce wear. The valve block is compatible with a wide range of hydraulic fluids, including mineral-based oils, synthetic blends, and biodegradable alternatives, making it suitable for diverse industrial applications. Its **standardized thread connections** (typically **SAE J512 or metric equivalents**) ensure easy integration with existing hydraulic systems, while the **compact footprint** allows for efficient use of space in tight installations. Whether deployed in heavy-duty machinery, mobile hydraulics, or precision industrial automation, the **PhD HVB3/4x3-1/4-V HVB34X314V** delivers consistent performance, durability, and adaptability, making it a dependable choice for engineers and operators demanding high standards in hydraulic system design.

### **Pros and Cons of buying a PhD HVB3/4x3-1/4-V (HVB34X314V) Vacuum Pump**

1. **High Efficiency and Performance** This oil-sealed rotary vane vacuum pump is designed for reliable, high-vacuum performance, making it suitable for applications requiring precise pressure control, such as laboratory equipment, industrial processes, and vacuum furnaces.

2. **Durable Construction** Built with robust materials, including high-quality bearings and seals, the HVB34X314V is engineered for long-term durability, reducing the need for frequent maintenance or replacements.

- **Laboratories** (for vacuum ovens, freeze dryers, and analytical instruments)

- **Industrial processes** (vacuum degassing, packaging, and coating)

- **Medical and pharmaceutical** (sterilization and vacuum-assisted procedures)

- **HVAC and refrigeration** (for leak detection and system testing)

4. **Quiet Operation** Compared to some other vacuum pumps, the HVB series is designed to operate with relatively low noise levels, making it more suitable for environments where noise reduction is important.

5. **Easy Maintenance** The pump features accessible components, such as oil filters and seals, which can be replaced or serviced without extensive downtime. The oil-sealed design also helps prevent contamination of the vacuum system.

6. **Energy Efficiency** Rotary vane pumps like this one are generally energy-efficient for their class, consuming less power than some other types of vacuum pumps while maintaining performance.

7. **Compatibility with Various Systems** The HVB34X314V can be integrated into larger vacuum systems, making it a flexible choice for custom setups.

8. **Proven Reliability** PhD (a brand under the Vacuum Brand Group) is known for producing reliable industrial vacuum equipment, and this model has a track record of consistent performance in demanding applications.

---

1. **Oil Maintenance Required** As an oil-sealed rotary vane pump, it requires regular oil changes and monitoring to prevent contamination of the vacuum system. Improper oil maintenance can lead to reduced efficiency or pump failure.

2. **Limited Ultimate Vacuum Level** While capable of achieving moderate vacuum levels (typically down to 0.1 mbar or 100 Pa), it may not reach the ultra-high vacuum levels required for some specialized applications (e.g., semiconductor manufacturing or certain scientific research). For those needs, a different type of pump (e.g., turbomolecular or diffusion pump) would be necessary.

3. **Sensitivity to Contaminants** The pump can be affected by particulate matter or corrosive gases if not properly filtered or if the inlet system is not adequately protected. This may require additional filtration or pre-pumping stages in some applications.

4. **Higher Initial Cost** Compared to simpler or lower-capacity vacuum pumps, the HVB34X314V is a mid-to-high-end model, which may have a higher upfront cost. However, this is often justified by its durability and performance.

5. **Space Requirements** The pump is physically larger than some smaller models, which may limit installation options in space-constrained environments.

6. **Potential for Oil Backstreaming** In some operating conditions, oil vapor can migrate back into the vacuum system, which may not be ideal for applications requiring ultra-clean environments (e.g., certain medical or semiconductor processes). This risk can be mitigated with proper system design and maintenance.

7. **Noise and Vibration** While generally quieter than some other pumps, it may still produce noticeable noise and vibration, which could be a concern in sensitive environments (e.g., laboratories requiring absolute silence).

8. **Dependence on Power Supply** Like all electric pumps, it requires a stable power source. Fluctuations or power outages could disrupt operations, though this is true of most industrial equipment.

---

The **PhD HVB34X314V** is a well-rounded, high-performance vacuum pump that excels in applications requiring reliable, mid-range vacuum levels. Its durability, versatility, and ease of maintenance make it a strong choice for laboratories, industrial processes, and general vacuum applications. However, its oil-sealed design requires regular upkeep, and it may not be suitable for ultra-high vacuum or contamination-sensitive environments without additional safeguards.

If your application demands **moderate to high vacuum levels, durability, and ease of use**, this pump is an excellent investment. For **ultra-high vacuum, clean environments, or specialized scientific research**, you may need to pair it with additional equipment (e.g., a roughing pump or filtration system) or consider alternative pump technologies.

---

- You need a **reliable, mid-range vacuum pump** for laboratory, industrial, or general vacuum applications.

- You can **maintain proper oil levels and filtration** to ensure longevity.

- Your system **does not require ultra-high vacuum** (e.g., below 10 -3 mbar).

- You prioritize **durability, ease of maintenance, and quiet operation** over ultra-low noise or vibration.

- You require **ultra-high vacuum** (e.g., for semiconductor or advanced scientific research), in which case a **turbomolecular or diffusion pump** may be necessary.

- Your application is **extremely sensitive to oil contamination**, and you need a dry pump (e.g., scroll or claw pumps).

- You operate in a **highly space-constrained environment**, where a smaller pump might be more suitable.

- Your budget is **limited**, and a lower-capacity or simpler pump could meet your needs.

For most **general industrial, laboratory, or medium-duty vacuum applications**, the HVB34X314V is a **solid, cost-effective choice** that balances performance, reliability, and maintainability. Ensure you pair it with the right filtration and oil management systems to maximize its lifespan and efficiency.

Details:

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

part #: hvb34x314 price

• $13.13

specifications hydraulicylind:

• brand: Phd Inc
• mpn: Hvb3/4x3-1/4-v
• part type: Hydraulic Pneumatic Cylinder

general hydraulicylind:

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

returns hydraulicylind:

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

seller hydraulicylind:

• city: 1 Millennium Dr, Willingboro, NJ 08046
• rating: 99.6%
• # reviews: 195569

shipping hydraulicylind:

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

offer hydraulicylind:

• quantity: 1
• sold: 0
• started: March 21, 2026
• options: Ship-to-home
• availability: In Stock

payments hydraulicylind:

• credit card: Diners-club
• other
• wallet: Google-pay

Phd Inc HVB3-4X3-1-4 Is Similar To:

• 51586-06-1 Phd Inc 4 Packs (33.3% similar) ...(November 23rd, 2017)
• 8410-01-001 Phd Inc Pneumatic Gripper (23.4% 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 (20.4% 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 (35% 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 (31.2% 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% 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 (28.6% 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 (32% 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 (24.5% 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 (29% 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 (27.4% similar) If another carrier such as ups or FedEx is required to ship due the size, then shipping costs may change...(October 21st, 2018)