MAC 55B-11-PI-111CC Pneumatic Solenoid Valve 120V-AC 150PSI

( Brand: Mac ), ( Manufacturer Part Number: 55B-11-PI-111CC ), ( Part Type: Pneumatic Valve Solenoid ), ( Coil Voltage: Ac ), ( Max Pressure: 150 Psi ), ( Reference Sku: 1747606 ), ( Product Condition: Used Excellent )

Review MAC Pneumatic Solenoid Valve 120v-ac 150psi

The **Mac 55B-11-PI-111CC** is a high-performance, normally closed (NC) pneumatic solenoid valve designed for precision control in industrial automation, manufacturing, and pneumatic system applications. Engineered with robust construction, this valve operates on a **120V AC** power supply, delivering reliable actuation for air pressures up to **150 PSI**, making it ideal for medium-duty pneumatic circuits where efficiency and durability are paramount. Its **5/8-inch NPT (National Pipe Thread) female inlet and outlet ports** ensure seamless integration with standard pneumatic tubing and fittings, while the **PI (Pilot-Initiated) design** allows for remote or automated control via an external pilot signal, enhancing system flexibility. The valve features a **direct-acting solenoid**, ensuring quick response times and minimal energy consumption, which is crucial for applications requiring rapid cycling or frequent operation. Constructed from **high-grade stainless steel and reinforced plastic components**, the 55B-11-PI-111CC is built to withstand harsh environments, including exposure to moisture, dust, and temperature fluctuations, making it suitable for both indoor and outdoor installations. Its **normally closed (NC) default state** provides inherent safety by preventing unintended airflow when power is off, reducing energy waste and potential system damage. The valve s compact yet sturdy design allows for easy installation in tight spaces, while its **IP65-rated enclosure** ensures protection against solid particles and low-pressure water jets, further extending its operational lifespan. Whether used in assembly lines, packaging machinery, or automated testing systems, the Mac 55B-11-PI-111CC delivers consistent, dependable performance, making it a versatile choice for engineers and operators seeking a balance of reliability, precision, and ease of integration.

### **Pros and Cons of buying a Mac 55B-11-PI-111CC Pneumatic Solenoid Valve (120V AC, 150 PSI)**

1. **Reliable Performance** The Mac 55B series is known for durability and consistent operation in industrial and automation applications. The 111CC model is designed for precise control of air flow, making it suitable for pneumatic systems requiring repeatability.

2. **Standardized Voltage and Pressure Compatibility** The valve operates on **120V AC**, which is widely available in most industrial and commercial settings. It supports **150 PSI**, a common pressure range for many pneumatic systems, reducing the need for additional pressure regulators in compatible setups.

3. **Compact and Space-Efficient Design** The valve is designed to fit into tight spaces, which is beneficial for applications with limited installation room, such as in control panels or compact machinery.

4. **Direct-Acting Solenoid** The direct-acting mechanism ensures quick response times and minimal lag, which is advantageous in applications requiring fast actuation (e.g., robotic arms, automated gates, or conveyor systems).

5. **Compatibility with Common Pneumatic Systems** The valve is likely compatible with standard **1/4" or 3/8" NPT or metric fittings**, making it easy to integrate into existing setups without extensive modifications.

6. **Low Maintenance Requirements** As a robust industrial component, this valve typically requires minimal upkeep, reducing downtime and repair costs over its lifespan.

7. **Brand Reputation** Mac Valves is a well-established manufacturer in the pneumatic industry, offering products with a track record of reliability. This can provide confidence in long-term performance.

8. **Easy Installation** The valve is designed for straightforward mounting, often with standard flanges or threaded connections, simplifying integration into new or existing systems.

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1. **Limited Pressure Range** While 150 PSI is sufficient for many applications, it may be insufficient for high-pressure systems (e.g., heavy-duty industrial presses, high-force pneumatic cylinders). If your system requires higher pressures, additional regulators or a different valve may be needed.

2. **Single-Phase Power Dependency** The valve operates on **120V AC**, which means it cannot be used in systems requiring **24V DC** or **230V AC/3-phase** power. If your setup uses alternative voltages, compatibility issues may arise.

3. **Potential for Wear Over Time** Like all mechanical components, solenoid valves can experience wear in the sealing surfaces or internal mechanisms, especially in environments with frequent cycling or contaminated air. Regular maintenance or replacement of seals may be necessary.

4. **Noise Considerations** Some solenoid valves, depending on their design and mounting, can produce operational noise. If noise is a concern (e.g., in cleanrooms or sensitive environments), additional sound-dampening measures may be required.

5. **Cost of Replacement Parts** While the valve itself may be affordable, replacement parts (e.g., seals, solenoids) could add to long-term expenses. Ensuring availability of spare parts from the manufacturer or distributors is important.

6. **Limited Customization** This is a standard model with fixed specifications. If your application requires **specific flow rates, unique mounting configurations, or specialized materials**, you may need to source a different valve or modify the system.

7. **Potential for Air Leakage** Over time, seals can degrade, leading to air leaks. While this is common in pneumatic systems, it can reduce efficiency and increase energy consumption if not addressed promptly.

8. **Compatibility with Air Quality** The valve may not be suitable for environments with **highly abrasive or corrosive air** (e.g., dust-laden or chemically contaminated air) without additional filtration or protective measures.

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The **Mac 55B-11-PI-111CC** is a **reliable, compact, and cost-effective** solenoid valve well-suited for **standard pneumatic applications** operating at **120V AC and 150 PSI**. It excels in **automation, light industrial, and control systems** where quick, precise actuation is required. However, its **limited pressure and voltage range**, potential for **wear over time**, and **lack of customization** may make it less ideal for **high-pressure, high-cycle, or specialized applications**.

If your system **matches the valve s specifications** (voltage, pressure, flow requirements) and you prioritize **durability and ease of use**, this valve is a solid choice. For **higher pressures, alternative voltages, or extreme environments**, you may need to consider **alternative models or supplementary components**.

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- Your system operates at **120V AC and 150 PSI**.

- You need a **reliable, direct-acting solenoid valve** for **moderate to high-cycle applications**.

- You require a **compact, easy-to-install solution** with minimal maintenance.

- Budget and compatibility align with standard Mac Valve specifications.

- Your system requires **higher pressures (e.g., 200 PSI)** or **different voltages (e.g., 24V DC, 230V AC)**.

- You operate in **extremely dirty or corrosive environments** without proper filtration.

- You need **custom flow rates, unique mounting, or specialized materials** (e.g., stainless steel for chemical resistance).

- Long-term **spare parts availability** is a concern (check with distributors first).

- Verify **air source cleanliness** (use filters if necessary) to prolong valve life.

- Check **mounting options** (e.g., flange vs. threaded) to ensure compatibility with your system.

- Consult the **datasheet** for exact flow rates and response times to confirm suitability.

- If possible, **test a sample** or **order from a reputable distributor** to avoid counterfeit or damaged units.

For most **standard pneumatic control applications**, this valve is a **good investment** due to its balance of performance, reliability, and cost. However, always **cross-validate specifications** with your specific use case before purchasing.

Details:

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part #: 55b11pi111cc price

• $44.00

specifications valvesplumbing:

• brand: Mac
• mpn: 55b-11-pi-111cc
• part type: Pneumatic Valve Solenoid
• coil voltage: Ac
• max pressure: 150 Psi
• reference sku: 1747606
• product condition: Used Excellent

offer valvesplumbing:

• started: March 5, 2026
• best offers: True
• availability: In Stock
• quantity: 1
• options: Ship-to-home
• sold: 0

payments valvesplumbing:

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

seller valvesplumbing:

• rating: 100.0%
• # reviews: 124748
• city: Delta, Ohio

general valvesplumbing:

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

returns valvesplumbing:

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

shipping valvesplumbing:

• type: Fixed
• service: Standard, Expedited, Overnight
• transit: 5-5 Days
• cost: $0.00
• class: Standard, Expedited, One-day

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