YHZKB YE2-112M-2 Ring Vacuum Pump Torr SK-1.2A M3/MIN 4KW 460V 3PH 47

( Brand: Yhzkb ), ( Manufacturer Part Number: YE2-112M-2 ), ( Model: SK-1.2A ), ( Part Type: Ring Vacuum Pump Min )

Review YHZKB Liquid Ring Vacuum Pump 1.2 M3/min 4kw 460v 3ph 47 Torr

The **YHZKB YE2-112M-2 SK-1.2A** is a high-performance, oil-sealed rotary vane vacuum pump designed for demanding industrial applications requiring precise and reliable vacuum generation. Engineered with robust construction and advanced engineering, this pump delivers a maximum displacement of **1.2 cubic meters per minute (m /min)** while maintaining an ultimate vacuum level of **47 torr (6.26 kPa)**, making it ideal for processes such as degassing, drying, freeze-drying, and vacuum packaging. Powered by a **4-kilowatt (4 kW), three-phase (3 ) electric motor rated at 460 volts**, this unit ensures efficient operation with minimal energy consumption while providing consistent performance under continuous or intermittent use.

The pump s **SK-1.2A** designation indicates a specialized design optimized for low-noise operation and extended service life, featuring a sealed vane mechanism that minimizes oil contamination and wear. Its **rotary vane configuration** ensures smooth, pulsation-free operation, reducing stress on connected systems and improving overall process stability. The robust **cast iron housing** and precision-machined components enhance durability, while the integrated **oil circulation system** maintains optimal lubrication, reducing maintenance requirements and prolonging the pump s operational lifespan. This model is particularly well-suited for applications in pharmaceuticals, food processing, chemical manufacturing, and laboratory settings where clean, reliable vacuum performance is critical.

With a compact yet sturdy design, the **YHZKB YE2-112M-2** is engineered for easy installation and integration into existing vacuum systems. Its **460V, 3-phase motor** ensures compatibility with standard industrial power supplies, while the pump s **self-priming capability** allows for quick startup without the need for pre-evacuation. The unit is equipped with **pressure relief and oil level indicators**, providing real-time monitoring to prevent overloading and ensure safe operation. Additionally, the pump s **low-maintenance oil system** combined with its efficient displacement makes it an economical choice for high-volume applications where energy efficiency and operational reliability are paramount. Whether used in vacuum drying, vacuum filtration, or other industrial processes, this pump delivers consistent, high-performance vacuum generation with minimal downtime.

### **Pros and Cons of buying a YHZKB YE2-112M-2 SK-1.2A Ring Vacuum Pump (1.2 m /min, 4 kW, 460V, 3-Phase, 47 Torr)**

1. **High Flow Rate (1.2 m /min)** Suitable for medium to large-scale applications requiring moderate vacuum levels, such as industrial processes, laboratory setups, or small-scale manufacturing.

2. **Powerful Motor (4 kW)** Provides sufficient power for efficient operation, reducing energy inefficiencies in continuous use.

3. **Three-Phase Operation (460V, 3-Phase)** Ideal for industrial environments where three-phase power is standard, ensuring stable and reliable performance.

4. **Low Final Pressure (47 Torr)** Capable of achieving a relatively strong vacuum, making it versatile for applications like degassing, filtration, or vacuum drying.

5. **Durable Construction** Likely built for industrial use, suggesting longevity if properly maintained.

6. **Oil-Sealed Design (Ring Vacuum Pump)** Offers better sealing and longer oil life compared to dry pumps, reducing maintenance frequency.

7. **Compatibility with Various Systems** Can be integrated into HVAC systems, chemical processing, or vacuum furnaces with appropriate modifications.

8. **Cost-Effective for Medium-Duty Use** Generally more affordable than high-end industrial pumps while still delivering reliable performance.

1. **Single-Phase vs. Three-Phase Limitation** Requires a three-phase power supply (460V), which may not be available in all facilities, especially smaller labs or homes.

2. **Oil Maintenance Required** Oil-sealed pumps need regular oil changes and monitoring to prevent contamination and ensure efficiency, adding maintenance overhead.

3. **Noise and Vibration** Oil-sealed pumps can generate noticeable noise and vibration, which may be problematic in sensitive environments.

4. **Limited Final Pressure for Some Applications** While 47 Torr is strong for many uses, it may not be sufficient for ultra-high-vacuum applications (which typically require

5. **Higher Initial Cost Than Small Pumps** More expensive than small, single-phase pumps but may not justify the expense for low-volume or low-vacuum needs.

6. **Space Requirements** Industrial-sized pumps occupy more space, which may be a constraint in tight work environments.

7. **Potential for Oil Leakage** If not properly maintained, oil can leak, contaminating the system or requiring cleanup.

8. **Dependence on Power Stability** Fluctuations in three-phase power can affect performance, requiring stable electrical infrastructure.

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The **YHZKB YE2-112M-2 SK-1.2A** is a **reliable, mid-range industrial ring vacuum pump** well-suited for applications requiring **moderate to high flow rates (1.2 m /min) and a vacuum level around 47 Torr**. It excels in **industrial, laboratory, or manufacturing settings** where three-phase power is available and where **oil-sealed performance is acceptable**. However, it is **not ideal for ultra-high-vacuum applications, single-phase environments, or settings where noise and maintenance are critical concerns**.

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- You need a **durable, high-flow vacuum pump** for **industrial or semi-industrial use** (e.g., HVAC, chemical processing, vacuum drying).

- Your facility has **three-phase 460V power** and can accommodate the pump s size and noise.

- You are willing to **perform regular oil maintenance** to ensure longevity.

- The **47 Torr vacuum level** meets your application requirements.

- You require **ultra-high vacuum (

- Your workspace is **small, quiet, or lacks proper electrical infrastructure**.

- You prefer **low-maintenance, oil-free pumps** (e.g., dry screw or diaphragm pumps).

- The **cost exceeds budget** for your specific application needs.

- For **lower vacuum needs**, a smaller single-phase pump (e.g., 0.5 1 m /min) may suffice.

- For **ultra-high vacuum**, a **diffusion pump or turbomolecular pump** would be necessary.

- For **noise-sensitive environments**, a **dry vacuum pump** (e.g., scroll or claw-type) could be a better fit.

**Final Verdict:** This pump is a **solid industrial choice** for its intended use but requires proper setup and maintenance for optimal performance.

Details:

Country of Manufacture China. Part NumberYE2-112M-2. Items in Lot1. Model's K-1.2A.

Condition Used. Ask our experts. Has a 3Ph 4kw motor. And the cost of return shipping.

Liquid ring vacuum pump.

part #: ye2112m2 price

• $1749.99

specifications valvplu:

• brand: Yhzkb
• mpn: Ye2-112m-2
• model: Sk-1.2a
• part type: Ring Vacuum Pump Min

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• Pumps Pump Accessories > Vacuum Pumps > Piston Pumps
• condition: Used

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• started: March 9, 2026
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