MAC 924A-PM-111JB Pneumatic Solenoid Valve 120V-AC 25-150PSI

( Brand: Mac ), ( Manufacturer Part Number: 924A-PM-111JB ), ( Part Type: Pneumatic Valve Solenoid ), ( Coil Voltage: Ac ), ( Reference Sku: 1758118 ), ( Product Condition: Used Excellent )

Review MAC Pneumatic Solenoid Valve 120v-ac 25-150psi

The **Mac 924A-PM-111JB** is a high-performance, normally closed, direct-acting pneumatic solenoid valve designed for precision control in industrial, commercial, and automation applications. Engineered with robust construction, this valve operates on a **120V AC** power supply, delivering reliable and consistent performance in environments where air pressure regulation is critical. Its **25 150 PSI** working range ensures versatility across a wide array of systems, from light-duty pneumatic actuators and clamping mechanisms to heavier industrial processes requiring controlled air flow. The valve features a **direct-acting design**, meaning the solenoid coil directly engages the valve s internal mechanism, eliminating the need for external piloting and ensuring rapid response times with minimal lag. This design also enhances durability, reducing wear on internal components and extending the valve s operational lifespan under continuous use.

Constructed from high-quality materials, the **924A-PM-111JB** incorporates a **stainless steel or brass body**, depending on the specific model variant, which resists corrosion, abrasion, and temperature fluctuations, making it ideal for both clean and harsh environments. The valve s **normally closed (NC) configuration** ensures that air flow is halted when power is removed, providing an inherent safety feature that prevents unintended activation. The **1/4" NPT male inlet and outlet ports** offer standard compatibility with common pneumatic tubing and fittings, simplifying integration into existing systems without the need for additional adapters. For added convenience, the valve is equipped with a **quick-connect or threaded connection option**, allowing for easy installation and maintenance.

The **120V AC** solenoid coil is designed for efficient energy consumption while delivering strong, consistent magnetic force to actuate the valve s internal piston or diaphragm mechanism. This coil is engineered to withstand frequent cycling, ensuring long-term reliability even in applications with high on/off cycles. The valve s **low power consumption** and **fast response time** make it an efficient choice for automation systems where energy savings and rapid actuation are priorities. Additionally, the **924A-PM-111JB** is compatible with a variety of control interfaces, including PLCs, timers, and manual switches, making it adaptable to both automated and manually operated setups.

Safety and ease of use are further enhanced by the valve s **fail-safe design**, where the absence of power results in a closed state, preventing potential hazards in critical applications. The valve s **compact yet sturdy build** allows for installation in tight spaces, while its **durable sealing materials** ensure minimal air leakage, maintaining system efficiency. Whether used in manufacturing, packaging, material handling, or HVAC systems, the **Mac 924A-PM-111JB** delivers dependable performance, precision control, and long-term reliability, making it a trusted component in pneumatic automation solutions.

### **Pros and Cons of buying a Mac 924A-PM-111JB Pneumatic Solenoid Valve (120V AC, 25 150 PSI)**

1. **Reliable Performance** The Mac 924A series is known for durability and consistent operation in industrial and automation applications, making it suitable for long-term use in pneumatic systems.

2. **Wide Pressure Range (25 150 PSI)** The valve accommodates a broad range of pressure requirements, allowing flexibility in system design without needing multiple valve models.

3. **120V AC Power Supply** Compatibility with standard North American electrical systems simplifies installation and reduces the need for additional power conversion equipment.

4. **Compact and Modular Design** The valve s compact form factor makes it easy to integrate into tight spaces, and its modular construction may allow for easier maintenance or replacement of components.

5. **Direct-Acting Solenoid** The direct-acting mechanism typically provides faster response times compared to pilot-operated valves, improving system efficiency in applications requiring quick actuation.

6. **Common in Industrial Automation** As a well-established model, spare parts and technical support are widely available, reducing downtime and repair costs over time.

7. **Normally Closed (NC) or Normally Open (NO) Options** Depending on the specific model variant, it can be configured for either NC or NO operation, offering versatility in system control logic.

8. **Low Maintenance Requirements** Pneumatic solenoid valves like this one generally require minimal upkeep, primarily involving periodic lubrication and coil cleaning to prevent dust buildup.

---

1. **Limited Flow Rate** The valve may not be ideal for high-flow applications, as its design is optimized for moderate pneumatic control rather than large-volume air distribution.

2. **Potential for Coil Failure** Solenoid coils can degrade over time due to thermal stress or electrical surges, requiring eventual replacement. This adds to long-term maintenance costs.

3. **Pressure Drop Considerations** At higher pressures (near 150 PSI), the valve may introduce noticeable pressure drops, which could affect system efficiency if not accounted for in design.

4. **Dependence on Power Supply Stability** Fluctuations in 120V AC input (e.g., voltage spikes or brownouts) could cause intermittent operation or premature coil failure.

5. **No Built-In Diagnostics** Unlike some advanced industrial valves, this model lacks integrated diagnostic features (e.g., fault monitoring or position feedback), which may complicate troubleshooting.

6. **Compatibility with Specific Air Sources** The valve assumes clean, dry compressed air. Contaminants (oil, moisture, or particles) in the air supply can reduce lifespan or cause malfunctions, requiring additional filtration upstream.

7. **Limited Customization** The standard model may not offer advanced features like proportional control, digital communication (e.g., Modbus), or integrated sensors, restricting its use in sophisticated automation setups.

8. **Potential for Leakage Over Time** Seals and O-rings can wear out, leading to air leaks, which may necessitate periodic resealing or valve replacement.

---

The **Mac 924A-PM-111JB** is a solid choice for applications requiring a **reliable, mid-range pneumatic solenoid valve** with a **120V AC power supply** and **moderate pressure handling (25 150 PSI)**. Its **durability, simplicity, and widespread availability** make it a practical option for general industrial, HVAC, or automation tasks where high flow or advanced diagnostics are not critical.

However, if your application demands **high flow rates, precise control, or long-term low-maintenance operation**, you may need to consider alternatives with **proportional control, integrated feedback, or higher pressure/temperature ratings**. Additionally, ensuring **clean air supply and stable power** will maximize the valve s lifespan and performance.

---

- You need a **cost-effective, dependable solution** for standard pneumatic control.

- Your system operates within the **25 150 PSI range** and requires **120V AC power**.

- You prioritize **simplicity and ease of installation** over advanced features.

- Spare parts and local support are readily available in your region.

- Your application requires **high flow rates, precise pressure regulation, or proportional control** (e.g., Mac 924 series with proportional solenoids).

- You need **digital communication or remote monitoring** (e.g., valves with Modbus or IO-Link compatibility).

- The environment involves **extreme temperatures, corrosive gases, or high humidity**, which may require specialized materials (e.g., stainless steel or coated valves).

- You anticipate **frequent cycling or high duty cycles**, where a **longer-lasting or more robust solenoid** (e.g., Mac 924 with reinforced coils) would be beneficial.

For most **basic pneumatic control systems**, this valve provides a **good balance of performance and affordability**. Always verify **air quality, power stability, and system compatibility** before installation to ensure optimal operation.

Details:

Pneumatic Filter-Regulators. Pneumatic Hoses. Pneumatic Cylinders. Pneumatic Grippers.

Pneumatic Directional Valves. Pneumatic Filters. Pneumatic Exhaust Valves.

part #: 924apm111jb prices

• $101.00-$170.00

specifications valvesplumbing:

• brand: Mac
• mpn: 924a-pm-111jb
• part type: Pneumatic Valve Solenoid
• coil voltage: Ac
• reference sku: 1758118
• product condition: Used Excellent

payments valvesplumbing:

• other
• wallet: Paypal
• credit card: Discover

seller valvesplumbing:

• city: Delta, Ohio
• # reviews: 126689
• rating: 100.0%

returns valvesplumbing:

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

offer valvesplumbing:

• availability: In Stock
• best offers: True
• options: Ship-to-home
• sold: 0
• quantity: 2
• started: April 7, 2026

general valvesplumbing:

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

shipping valvesplumbing:

• type: Fixed
• class: Standard, Expedited, One-day
• service: Standard, Expedited, Overnight
• transit: 6-6 Days
• cost: $0.00

Mac 924A-PM-111JB Is Similar To:

• 1111a-111 Mac Pneumatic Valve 1111a111 (49% similar) This item is used. Mac 1111A-111 pneumatic valve 1111A111 SC GW23 HW41 manufacturer: Mac model: 1111A-111TYPE: valve capacity: 150 psi used, in working condition...(October 15th, 2017)
• 111b-111aaaa Mac Solenoid Valve (46.2% similar) 8 watts VAC to 150 sinew, in original package. 111B-111AAAA Mac solenoid VALVE1 8 not PORTS120 VOLT6...(May 19th, 2018)
• 111b-111caab Mac Solenoid Valve New In Box (49% similar) If another carrier such as ups or FedEx is required to ship due the size, then shipping costs may change...(April 24th, 2018)
• 111b-591ca Mac 24 Vdc Solenoid (37.8% similar) This item is new. Mac 111B-591CA 24 CDC solenoid valve 111B-591CAAA 111B591CA manufacturer: Mac model: 111B-591CAAATYPE: pneumatic valve capacity: 150 psi solenoid: new, in working condition...(August 27th, 2017)
• 111b-611jb Mac Vdc Solenoid Valve (49.5% similar) Mac 111B-611JB 24 CDC solenoid valve 111B611JB PRI18 manufacturer: Mac model: 111B-611JBTYPE: pneumatic valve solenoid: used, in working condition. This item is used...(September 2nd, 2018)
• 111b-871jm Mac Solenoid Valve New (49.5% similar) Mac 111B-871JM solenoid valve new...(September 24th, 2017)
• 113b-611jc Mac Solenoid Valve New In Box (48% similar) If more than one item is purchased, I can try to combine packaging lower overall shipping cost for buyer. Normal knocks and scratches, etc due to being used, storage. Mac 113B-611JC solenoid valve 1/4 not 24VDC new in box pictures are of the actual item to be shipped most cases, unless I have ...(April 21st, 2018)
• 132b-111raaa Mac 163860 Old-stock Solenoid (31.4% similar) Item appears unused and has been in storage for some time...(September 25th, 2017)
• 1331g-111d-15 Mac Pneumatic Valve Air (45.4% similar) Mac pneumatic valve 150PSI, 120V. Normal wear and tear. Model 1331G-111D-15...(October 21st, 2017)
• 152ss5002000030 Mac Numatics Pneumatic Valve (40.4% similar) New old stock. This Machine is for sale locally, so the offer may be cancelled due to a local. Inventory box M4...(June 10th, 2018)
• 161b-501caaa Mac Solenoid Valve (39.6% similar) ...(October 3rd, 2018)