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BelAire
BelAire 3312D4 2 x 5HP 120G 2-Stage H Elec Duplex Air Compressor
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BelAire
BelAire 3312D4 2 x 5HP 120G 2-Stage H Elec Duplex Air Compressor
BelAire 3312D4 2 x 5HP 120 Gallon Horizontal Two Stage Three Phase Electric Duplex Air Compressor
⚠ CRITICAL REQUIREMENT:
This compressor MUST have three-phase electric power (460V / 3-Phase). Verify your facility has the correct electrical service before ordering.
The BelAire 3312D4 represents a professional-grade solution for demanding compressed air applications where reliability and continuous operation are paramount. This duplex air compressor system combines two 5 HP motors with a 120-gallon horizontal tank, delivering impressive performance of 37.0 CFM at 100 PSI and 33.2 CFM at 175 PSI. Engineered for facilities that cannot afford downtime, this two-stage compressor features an intelligent alternator system that ensures optimal pump utilization and extended equipment life.
This compressor arrives 100% factory tested at full pressure, complete with everything you need to optimize your work and minimize interruptions. The duplex configuration means you have built-in redundancy—if one pump requires maintenance, the other continues operating to keep your operations running. With solid cast iron cylinder construction, magnetic starters, and ASME-certified tank and safety valves, the 3312D4 is built to deliver years of dependable service in professional automotive, industrial, and commercial environments.
Why Choose the BelAire 3312D4 Duplex Compressor?
The BelAire 3312D4 is engineered for shops and facilities that demand continuous compressed air availability and superior reliability:
- Duplex Redundancy Design – Two independent 5 HP pumps and motors with an intelligent alternator system provide built-in backup and extended component life through balanced operation
- Two-Stage High-Pressure Performance – Delivers up to 175 PSI maximum pressure with efficient two-stage compression for cooler operation and better air quality
- Substantial 120-Gallon Horizontal Tank – Large air reservoir minimizes pump cycling and provides steady air supply for multiple tools and users simultaneously
- Industrial Cast Iron Construction – Solid cast iron cylinders dissipate heat effectively and deliver professional longevity in demanding environments
- Complete Full 2-Year Warranty – Comprehensive coverage including valves demonstrates BelAire's confidence in their engineering and manufacturing quality
Engineered for Professional Performance
The 3312D4 features a comprehensive set of professional-grade components designed for reliability and ease of service. Dual pressure switch control ensures precise pressure management across both pumps, while tri-voltage motors provide installation flexibility in three-phase industrial environments. The inclusion of magnetic starters protects the electrical system and motors from voltage fluctuations and overload conditions.
With dimensions of 77" x 27" x 56" and a shipping weight of 778 lbs, this is a substantial piece of equipment designed for permanent installation in professional facilities. The horizontal tank configuration maximizes stability while fitting through standard doorways, and ASME certification ensures compliance with industrial safety standards. Every unit undergoes rigorous factory testing at full pressure before shipping, guaranteeing reliable performance from day one.
Key Highlights
- 37.0 CFM @ 100 PSI and 33.2 CFM @ 175 PSI for versatile application support
- 460V / 3-Phase power configuration with tri-voltage motor capability
- Dual 5 HP motors with alternator for balanced operation and extended component life
- Two-stage compression delivers higher pressures with improved efficiency
- 100% factory tested at full pressure ensures reliable out-of-box performance
Looking for full specifications and features?
Check out the Product Specifications and Product Features tabs above for complete specs, dimensions, and detailed feature breakdowns.
BelAire Compressors, Seller, warrants products against defects in workmanship and materials under normal use and service, as follows:
BELAIRE TWO-STAGE STANDARD WARRANTY
Two-stage packaged compressors shall be warranted for twenty-four (24) months from date of start-up or thirty (30) months from date of shipment from the factory, whichever occurs first, to include parts and labor. Parts shall be warranted for ninety (90) days from installation or for the remainder of the warranty on the
product being repaired, whichever is longer.
BELAIRE SINGLE-STAGE STANDARD WARRANTY
Single-stage packaged compressors and bare pump compressors shall be warranted for twelve (12) months from date of start-up or eighteen (18) months from date of shipment from the factory, whichever occurs first, to include parts. Parts shall be warranted for ninety (90) days from installation or for the remainder of the warranty on the product being repaired, whichever is longer.
Warranty coverage is reimbursed at 70% posted shop labor rate. Travel is reimbursed at $0.50 per mile. Miscellaneous charges require pre-approval.
Seller requires that all warranty service work be authorized prior to a service call for all claims. Parts should be taken to every service call to take care of the problem in one trip. Seller does not reimburse troubleshooting.
To be eligible for warranty consideration, Claimant must:
- (a) Follow all recommended installation and service procedures as outlined by the Seller
- (b) Use only factory parts, accessories and fluids on the compressor
- (c) All returned goods must have an authorized RGA# from Seller
Notice of alleged defect must be given to Seller in writing with all identifying details including serial number, model number, equipment type and date of purchase, within thirty (30) days of discovery of defect during the warranty period.
Seller’s sole obligation on this warranty shall be, at its option, to repair, replace or refund the purchase price of any product or part which proves to be defective. If requested by Seller, such product or part thereof must be promptly returned to Seller, freight collect for inspection.
This warranty shall not apply and Seller shall not be responsible nor liable for:
- (a) Consequential, collateral or special losses or damages
- (b) Equipment conditions caused by fair wear and tear, abnormal conditions of use, accident, neglect or misuse of equipment, improper storage or damages resulting from shipment
- (c) Deviation from operating instructions, specifications or other special terms of sales
- (d) Labor charges, loss or damage resulting from improper operation, maintenance or repairs made by person(s) other than Seller or Seller’s authorized service station
- (e) Improper application of product
- (f) Dryers, motors or engines. These items are covered by the original manufacturer’s warranty and service network
In no event shall Seller be liable for any claims, whether arising from breach of contract or warranty claims of negligence or negligent manufacture, in excess of the purchase price of the equipment. It is incumbent on the user to provide complete and accurate records of maintenance and verifiable proof of purchase and use of genuine factory repair and replacement parts.
THIS WARRANTY IS THE SOLE WARRANTY OF SELLER AND ANY OTHER WARRANTIES, EXPRESS, IMPLIED IN LAW OR IMPLIED IN FACT, INCLUDING ANY WARRANTIES OF MERCHANTABILITY AND FITNESS FOR PARTICULAR USE, ARE HEREBY SPECIFICALLY EXCLUDED.