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  3. MAC VALVES INC MV-A2B-A111-PM-871JC

MAC VALVES INC MV-A2B-A111-PM-871JC Manifolds PME-871JC 25PSI 150PSI 24VDC

Mv-a2b-a111-pm-871jc Mac Valves Inc / Pme-871jc 25psi - 150psi 24vdc Tested

( Brand: Mac Valves Inc ), ( Manufacturer Part Number: MV-A2B-A111-PM-871JC ), ( Part Type: Manifold ), ( Valve Operation: Solenoid )

Review MAC VALVES INC 25psi 150psi 24vdc Tested

The **Mac Valves MV-A2B-A111-PM-871JC** is a high-performance, dual-pressure, electrically actuated solenoid valve designed for precision control in demanding industrial, automation, and fluid handling applications. This robust valve combines advanced engineering with versatility, making it an ideal solution for systems requiring both **25 PSI (1.7 bar) and 150 PSI (10.3 bar) operating pressures**, ensuring seamless integration into diverse pneumatic or hydraulic circuits. The **24VDC** power supply compatibility allows for easy integration with standard control systems, offering reliable and efficient operation in environments where electrical reliability is critical. Constructed with a durable **aluminum or stainless steel housing**, the MV-A2B-A111-PM-871JC is built to withstand harsh conditions, including exposure to dust, moisture, and temperature fluctuations, making it suitable for both indoor and outdoor installations. Its **normally closed (NC) or normally open (NO) configurations** (depending on the specific model variant) provide flexibility in system design, allowing operators to tailor the valve s behavior to their exact requirements. The **PME-871JC** designation indicates a **pilot-operated, proportional control** mechanism, enabling precise flow regulation and smooth actuation, which is essential for applications demanding fine-tuned performance, such as CNC machinery, robotic systems, or automated assembly lines. With a **quick-exhaust design**, this valve minimizes response time, ensuring rapid and efficient switching without compromising stability. Additionally, its **low-power consumption** and **long operational lifespan** contribute to cost-effective, energy-efficient performance, reducing maintenance overhead while maintaining peak functionality. Whether deployed in manufacturing, material handling, or specialized automation setups, the **Mac Valves MV-A2B-A111-PM-871JC** delivers a perfect blend of strength, adaptability, and precision, making it a standout choice for engineers and technicians seeking a dependable, high-performance valve solution.

### **Pros and Cons of buying a Mac Valves MV-A2B-A111-PM-871JC (PME-871JC, 25psi/150psi, 24VDC)**

#### **Pros:**

1. **Dual Pressure Range (25psi/150psi)** Offers flexibility for different applications, allowing the valve to function in both low-pressure (e.g., pneumatic tools) and high-pressure (e.g., industrial systems) environments without needing separate valves.

2. **24VDC Operation** Compatible with standard electronic control systems, making it suitable for automated or computer-controlled pneumatic circuits. This reduces the need for additional power conversion components.

3. **Compact and Modular Design** The valve appears to be part of Mac Valves **PME series**, which is known for being compact and easy to integrate into existing systems. This can save space in control panels or machinery.

4. **Reliable Brand Reputation** Mac Valves is a well-established manufacturer in the pneumatic industry, offering products with good durability and performance. Their valves are commonly used in industrial, automotive, and automation sectors.

5. **Solenoid-Activated** The electric solenoid actuation allows for precise control, enabling quick opening/closing cycles, which is beneficial for high-speed applications like packaging machines or robotic arms.

6. **Potential for Remote Control** Since it s electrically actuated, it can be integrated into PLC (Programmable Logic Controller) systems, allowing for centralized control and automation.

7. **Compatibility with Common Pneumatic Systems** Works with standard air compressors and pneumatic tubing, making it easy to retrofit into existing setups.

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#### **Cons:**

1. **Higher Upfront Cost** Compared to mechanical or pneumatic-only valves, electrically controlled solenoid valves (especially with dual pressure ranges) tend to be more expensive. The cost may be justified for industrial applications but could be overkill for simple, low-pressure uses.

2. **Electrical Dependence** Unlike purely pneumatic valves, this valve requires a stable 24VDC power supply. Power failures, voltage fluctuations, or wiring issues could disrupt operation, potentially causing downtime in critical applications.

3. **Maintenance Requirements** Solenoid valves may require periodic cleaning of the coil, checking of electrical connections, and lubrication of internal seals to prevent wear and ensure reliable operation. Poor maintenance can lead to failures.

4. **Potential for Electrical Noise** In noisy industrial environments, electromagnetic interference (EMI) could affect the solenoid s performance, requiring shielding or proper wiring practices.

5. **Limited Lifespan of Solenoid Coils** The coil inside the solenoid is a wear item. Over time, it may degrade, leading to slower response times or complete failure. Replacement coils can be costly.

6. **Pressure Drop Considerations** While the valve handles 150psi, there may be a slight pressure drop across it, which could affect system efficiency in high-flow applications. This would need to be accounted for in system design.

7. **Specialized Knowledge for Installation** Proper wiring, grounding, and integration with control systems require technical expertise. Incorrect installation (e.g., wrong voltage, poor grounding) can damage the valve or create safety hazards.

8. **Not Ideal for Extreme Environments** If the application involves high humidity, dust, or corrosive environments, additional protection (e.g., IP-rated enclosures) may be needed, adding to the cost.

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### **Conclusion:**

The **Mac Valves MV-A2B-A111-PM-871JC (PME-871JC)** is a versatile, electrically controlled solenoid valve with a dual pressure range, making it suitable for industrial automation, pneumatic machinery, and applications requiring precise control. Its advantages such as flexibility in pressure handling, compatibility with 24VDC systems, and integration with automation outweigh its drawbacks for most professional or industrial users.

However, the **higher cost, electrical dependency, and maintenance needs** make it less ideal for simple or low-budget applications. If your system already uses 24VDC control and requires reliable, switchable pressure handling, this valve is a strong choice. For basic pneumatic tasks or environments where electrical reliability is questionable, a simpler mechanical or pneumatic valve might be more appropriate.

### **Recommendation:** - **Buy if:**

- You need a valve that can handle both low (25psi) and high (150psi) pressures in the same system.

- Your application involves automation, PLC control, or robotics where electrical actuation is necessary.

- You have a stable 24VDC power supply and can maintain the valve properly.

- Cost is not a major concern, and the valve s flexibility justifies the investment.

- **Avoid if:**

- Your application only requires a single pressure range (e.g., always 25psi or always 150psi).

- Electrical power is unreliable or the environment is highly corrosive/dusty without proper protection.

- You re working on a tight budget and can use a simpler, mechanical valve instead.

- The valve will be used in a non-critical, low-maintenance setting where solenoid failures would not cause significant downtime.

For most **industrial, automated, or high-precision pneumatic systems**, this valve is a solid investment. For **casual or low-tech uses**, consider alternatives like Mac Valves simpler solenoid valves or mechanical valves. Always verify compatibility with your specific air supply and control system before purchasing.

Details:

This solenoid valve has been tested as it was pulled off an in-use system during demolition.

part #: mva2ba111pm871jc price

  • $78.67

specifications valvesplumbing:

  • brand: Mac Valves Inc
  • mpn: Mv-a2b-a111-pm-871jc
  • part type: Manifold
  • valve operation: Solenoid

shipping Valvesplumbing:

  • class: Standard
  • type: Calculated
  • cost: $0.00
  • service: USPS Ground Advantage
  • transit: 3-9 Days
  • carrier: USPS

offer Valvesplumbing:

  • started: March 3, 2026
  • quantity: 1
  • best offers: True
  • sold: 0
  • availability: In Stock
  • options: Ship-to-home

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  • # reviews: 71
  • rating: 97.6%
  • city: Lees Summit, Missouri

general Valvesplumbing:

  • Hydraulics, Pneumatics, Pumps Plumbing > Valves Manifolds > Other Valves Manifolds
  • condition: Used

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part type: manifold, valve operation: solenoid,
category: business & industrial > hydraulics, pneumatics, pumps plumbing > valves manifolds, sku: 22800987266176793,
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1 offer $78.67 USD
  • Used. Offer #1 priced at $78.67 + $0.00 shipping estimate = $78.67* total. This solenoid valve has been tested as it was pulled off an in-use system during demolition.FREE SHIPPING

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