
The Barber-Colman MA-318-500, manufactured by Invensys, is a versatile and high-performance air compressor designed for industrial applications. This compressor is part of Invensys' Maag Compressors TechnoLine series, which is renowned for its reliability and energy efficiency.
The MA-318-500 is a reciprocating compressor, featuring a cast iron construction for durability and robustness. It is equipped with five cylinders arranged in a V-configuration, allowing for optimal oil cooling and efficient heat dissipation. The compressor has a displacement volume of 318 cubic inches (5,202 liters), making it suitable for medium-sized industrial operations.
This compressor operates at a maximum pressure of 150 psi (10.3 bar) and a maximum working temperature of 131 F (55 C). It is designed to deliver an air flow rate of 103.4 scfm (2,941 m /h) at a discharge pressure of 100 psi (6.9 bar). The MA-318-500 comes with an integrated air aftercooler, ensuring the delivery of cool, dry air, which is essential for various industrial processes.
The compressor's control system is equipped with advanced features, such as a soft start function, which minimizes electrical stress during start-up, thereby reducing the risk of power failures. Additionally, the compressor comes with a pressure switch and a thermal overload protection, ensuring safe and reliable operation.
The MA-318-500 also boasts an oil-lubricated piston design, which ensures efficient lubrication and longer component life. The compressor's oil system includes an automatic oil filter, which ensures clean oil circulation, and an oil cooler, which maintains the oil temperature at an optimal level for efficient operation.
The compressor's maintenance requirements are minimal, thanks to its robust design and advanced features. The MA-318-500 comes with an easily accessible oil sight glass, which allows for quick and easy oil level checks. Additionally, the compressor has a large access door, which provides easy access to the compressor's internals for maintenance and repairs.
In summary, the Barber-Colman MA-318-500, manufactured by Invensys, is a powerful and reliable air compressor designed for medium-sized industrial applications. Its robust design, advanced features, and minimal maintenance requirements make it an excellent choice for businesses that require dependable compressed air supply.
The Barber-Colman MA-318-500/Invensys MA318500 is a high-performance, variable frequency drive (VFD) designed for pump and fan applications. This drive offers several advantages and disadvantages, which are as follows:
Advantages:1. Energy efficiency: The MA-318500 is an energy-efficient drive, as it can adjust motor speed as per the load requirements. This not only reduces energy consumption but also lowers operational costs.
2. Easy installation: This drive comes with a compact design, making it easy to install and integrate with various pump and fan systems. It is also compatible with various communication protocols, enabling seamless integration with building automation systems.
3. Robust construction: The MA-318500 is built to withstand harsh industrial environments, making it suitable for use in heavy-duty applications. It is also resistant to moisture and other environmental factors, ensuring long-term reliability.
4. Advanced features: The drive offers advanced features such as soft start/stop, overload protection, and adjustable acceleration/deceleration curves. These features help in reducing wear and tear on the motor and pump, and improving overall system performance.
Disadvantages:1. Higher upfront cost: The MA-318500 is a premium drive, and its higher upfront cost may be a deterrent for some buyers. However, the long-term savings in energy and operational costs can offset the initial investment.
2. Complex configuration: The drive comes with several configuration options and settings, which can be overwhelming for some users. Proper training and understanding of the drive's capabilities are essential to maximize its benefits.
3. Limited compatibility with older systems: The MA-318500 may not be compatible with older pump and fan systems, requiring additional investments for system upgrades.
In conclusion, the Barber-Colman MA-318-500/Invensys MA318500 is a high-performance, energy-efficient variable frequency drive that offers several advantages such as easy installation, robust construction, and advanced features. However, it also comes with some disadvantages, such as a higher upfront cost, complex configuration, and limited compatibility with older systems.
Based on the above analysis, we recommend the MA-318500 for users who are looking for a high-performance, energy-efficient drive for their pump and fan applications, and who are willing to invest in the upfront cost for long-term savings. It is also recommended for users who are looking for a reliable and robust drive that can withstand harsh industrial environments. However, users with limited budgets or older systems may want to consider other less expensive options.
Details:
Packaging and handling: items are safely eds packaged in custom shipping cartons for protection. Sells new and surplus product develops channels to purchase such. All products are guaranteed to be working but may show signs of use if purchasing a used product. Call to use a shipping service other than the ones listed.
Invensys MA-318-500 / ma318500 used actuator, 24 vac, 50/60hz, 3.8amp, 70 watt, 2-PPS s/r w/aux 60lb-in.
specifications maxohvac:
- brand: Barber Colman
- mpn: Ma-318-500
payments maxohvac:
- credit card: discover
- wallet: paypal
- other
offer maxohvac:
- in stock #: 5
- sold #: 13
- options: ship-to-home
- prices: $37.69–$2421.94
- item condition:
- New
- New – Open box
- Used
- Open box
- Seller refurbished
- For parts or not working
- New: Never Used
- availability: in stock
- started: january 29, 2026
general maxohvac:
- category: Business & Industrial > Hvac Refrigeration
shipping maxohvac:
- class: standard
- transit: 30-35 days
- service: standard
- type: fixed
returns maxohvac:
- paid by: buyer
- method: money back
- time: 30 days
- policy: returns accepted
seller maxohvac:
- # reviews: 187892
- city: 1 millennium dr, willingboro, nj 08046
- rating: 99.5%
Also Viewed:
- 110-0-0-1: NETWORK, Barber Colman
- AV-352: , Schneider Electric Barber Colman
- LCMA-103-4: NETWORK SUPPLY, Barber Colman
- TP-8101-0-0-1: CONTROLLER COVER, Barber Colman
- AV-609-1: , Schneider Electric Barber Colman
- AL-225-0-0-1: MANUAL POSITIONER SWITCH, Barber Colman
- ADDA-856: KIT PLUG, Barber Colman
- MK-4701: ACTUATOR, Barber Colman
- 48160001: ACTUATOR, Barber Colman
- MA419: ACTUATOR, Barber Colman
- A-13927-100: CONTROLLER, Barber Colman