318H Subtotal: $2,799.00
BelAire 3112D Air Compressor – 12HP Duplex
$5,424.00
The BelAire 3112D duplex air compressor eliminates system downtime bottlenecks by driving an alternating control panel across dual motors to secure fail-safe electrical redundancies inside single-phase industrial production shops.
Combined free air delivery of 37 CFM.
High pressure performance reaching 175 Psi.
Massive 120 gallon horizontal storage tank.
Dual 5 HP reciprocating pump configurations.
Operates cleanly across 230V single phase.
In Stock
Free Standard Shipping Worldwide
|
US/CA 11–23 · AU 8–17 · Other countries 30–45 business days
Description
The BelAire 3112D duplex air compressor eliminates system downtime bottlenecks by driving an alternating control panel across dual motors to secure fail-safe electrical redundancies inside single-phase industrial production shops.
Combined free air delivery of 37 CFM.
High pressure performance reaching 175 Psi.
Massive 120 gallon horizontal storage tank.
Dual 5 HP reciprocating pump configurations.
Operates cleanly across 230V single phase.
| BelAire 3112D Specs | |
| Brand | BelAire |
|---|---|
| Full Model Code | 3112D (Duplex) |
| Country of Origin | USA |
| Compressor Type | Reciprocating Piston (Two-Stage / Duplex) |
| Lubrication Style | Splash Lubricated |
| Cooling System | Air Cooled |
| Motor Power | 5 HP (Per Pump / 10 HP Total) |
| Max Working Pressure | 175 Psi |
| Free Air Delivery / Capacity | 37.0 CFM @ 175 Psi (Combined) |
| Drive Type | Belt Drive (Dual Electric Motors) |
| Noise Level | 78-82 dB(A) |
| Outlet Connection Size | 1 Inch NPT |
| Tank Volume | 120 Gallons (Horizontal) |
| Dimension (LxWxH) | 2032 x 711 x 1321 mm |
| Net Weight | 445 kg |
| Control Panel Type | Alternating Duplex Control Panel |
| Voltage/Phase/Frequency | 230V / 1 Phase / 60 Hz |
| Maintenance Interval | 1000 Hours |
| Application | Commercial shops requiring redundancy and high CFM output on single-phase circuits. |
You may also like…
-
Unlike standard compressors, the BelAire 3312D uses two separate compressor pumps mounted on a single tank. During low air demand, only one compressor operates, reducing energy consumption. As demand increases, the second compressor automatically engages to maintain consistent air pressure and airflow. This design also provides backup capability, allowing one compressor to continue operating if the other requires maintenance. -
The DXCM201 is designed around a high-pressure 200 PSI system, which gives it a key advantage: it can store more usable air in the tank compared to lower-pressure 20-gallon compressors. This translates into longer tool runtime before the compressor needs to refill.
However, its real working strength is the 6.2 SCFM at 90 PSI, which places it in the light-to-medium duty class:
- Good for impact wrenches (intermittent use)
- Suitable for air ratchets and nail guns
- Works for tire inflation and shop maintenance
- Not ideal for continuous high-demand tools like grinders or sandblasting
-
The Champion HPL20-24 is designed for facilities where compressed air is a critical production utility. The large 240-gallon receiver tank helps stabilize system pressure during peak demand periods, while the PL-70A pressure-lubricated pump ensures superior reliability under continuous operation.
Unlike conventional splash-lubricated compressors, the PL-Series lubrication system continuously delivers filtered oil to bearings, connecting rods, and other critical components. This significantly reduces wear, improves cooling, and extends service life in high-duty-cycle environments.
The compressor is capable of supporting:
- Multiple CNC machining centers
- Automated production lines
- Large fabrication shops
- Industrial painting systems
- Multi-user pneumatic tool networks
- Central plant compressed air systems
-
The C583VS4 is built around a slow-turning cast iron pump design, which is one of its biggest advantages over standard 5 HP compressors. Instead of pushing high RPM for output, it prioritizes:
- Lower operating temperature
- Reduced internal wear
- Improved air dryness (less condensation buildup)
- Longer service intervals
This makes it especially suitable for shops where the compressor runs frequently throughout the day.
-
The BelAire 338HE is designed for facilities that require consistent air pressure, long duty cycles, and reduced downtime. The two-stage pump compresses air more efficiently than single-stage units, lowering heat and improving overall lifespan. Combined with the 80-gallon tank, it reduces frequent cycling and helps maintain stable air delivery during peak demand.
This model is commonly used in professional environments where air reliability directly impacts productivity, such as repair bays, fabrication shops, and production lines.
-
The RCP-10123D is designed for users who need stable airflow and redundancy in a compact industrial footprint. The duplex system allows:
- Alternating operation to balance wear between pumps
- Backup operation if one pump requires maintenance
- Improved uptime in busy workshop environments
The cast iron two-stage pump design improves efficiency by compressing air in two stages, reducing heat and increasing durability. The system is optimized for:
- Automotive repair shops
- Tire service centers
- Light fabrication workshops
- Maintenance facilities
- Small manufacturing operations
The 120-gallon receiver tank helps stabilize pressure during peak demand, reducing compressor cycling and improving tool performance consistency.
Related products
-
The BelAire 3312DL utilizes two independent compressor pumps and motors mounted on a single receiver tank. During periods of low air demand, only one compressor operates, reducing energy consumption and wear. When air demand increases, the second compressor automatically engages to maintain pressure and airflow. This intelligent duplex design extends equipment life while providing critical backup capability should one compressor require maintenance. -
The BelAire 4918VN is designed for users who need consistent compressed air without stepping up to a large industrial duplex system. The two-stage compression system improves thermal efficiency and extends pump life, while the 80-gallon tank helps stabilize air pressure during tool usage.
It is especially popular in auto repair shops and small manufacturing setups, where reliability and simplicity are more important than extreme airflow capacity.
-
BelAire 4312DL4 Air Compressor: Industrial 12HP Duplex system configured for 460V power, combining low-RPM quiet technology with dual-pump redundancy for heavy-duty service.- Industrial Spec: 12HP Quiet Duplex
- Discharge Rate: 1274 L/min (45.0 CFM)
- Force Rating: 175 PSI (12 Bar)
- Cylinder Capacity: 120 Gallon Horizontal
- Voltage Requirement: 460V 3-Phase
-
Unlike standard compressors, the BelAire 3312D uses two separate compressor pumps mounted on a single tank. During low air demand, only one compressor operates, reducing energy consumption. As demand increases, the second compressor automatically engages to maintain consistent air pressure and airflow. This design also provides backup capability, allowing one compressor to continue operating if the other requires maintenance.
-
Campbell Hausfeld CE7051: High-performance 5HP two-stage compressor designed for 230V single-phase grids, providing increased air pressure for heavy-duty pneumatic tools.- Power Configuration: 5.0 HP Two-Stage
- Volume Delivery: 495 L/min (17.5 CFM)
- Compression Limit: 175 PSI (12 Bar)
- Tank Orientation: 80 Gallon Vertical
- Build Quality: 15,000 Hour Pump Rating
-
The BelAire 3G3HKL is engineered for technicians who need reliable compressed air in the field. Its gas-powered engine eliminates dependence on electricity, while the two-stage pump ensures stable pressure and efficient air delivery even under heavy load.
The 30-gallon tank provides a balance between portability and usable air reserve, making it ideal for service vehicles and mobile repair units.
Reviews
There are no reviews yet.