Mark Ironair Air Compressor – 20HP Duplex
Extreme Piston Strength: Generates massive 20.0 HP output
Massive Duplex Setup: Features dual 10 HP cast iron pump units
High Voltage Phase: Requires three-phase industrial electrical power connection
Maximum Industrial Pressure: Maintains consistent 175 PSI delivery
Unrivaled Plant Utility: Powers massive pneumatic grids and production lines
Description
Mark Ironair 20HP Duplex Industrial Compressor
The Mark Ironair 20HP Duplex is a flagship reciprocating system designed for high-demand industrial environments requiring maximum air volume and built-in redundancy. By utilizing two 10HP motors and dual cast iron pumps on a single 120-gallon horizontal tank, this system delivers an impressive 70 CFM at 175 PSI, ensuring that even if one pump requires maintenance, your facility remains operational at 50% capacity.
Thermal efficiency is managed through finned aftercoolers and a low-RPM pump design that reduces mechanical stress and noise levels. Selecting industrial reciprocating air compressors from the Ironair Duplex series provides a reliable, pre-wired solution with magnetic starters and oversized intake filters to maximize volumetric efficiency in dusty workshop conditions.
Mark Ironair 20HP Key Features
- Tank Size: 120 Gallon Horizontal
- Lubrication: Splash Lubricated Pump
- Starting System: Lead-Lag Alternating Control
- Fuel System: 460V Three Phase
- Max Pressure: 175 PSI Rating
- Air Displacement: 70 CFM Delivery
- Warranty: 1 Year Limited
Redundant Dual Pump System
This duplex configuration features two independent 100% cast iron pumps that alternate as the lead unit to ensure even wear across both motors. The V-cylinder pump design provides superior balance and reduced vibration compared to standard inline models. Stainless steel disc valves and precision-honed cylinders allow for high-pressure 175 PSI operation while maintaining the thermal stability required for continuous industrial duty cycles.
Heavy Manufacturing and Production
Perfectly suited for large-scale automotive centers, manufacturing plants, and sandblasting operations, the 20HP Duplex provides a stable and massive air reserve. The unit includes a simple, user-friendly control system and an extended oil drain for spill-free maintenance. Industrial facility managers value this model for its plug-and-play installation and its ability to power multiple high-consumption pneumatic tools simultaneously.
Secure your facility’s pneumatic uptime with the high-output redundancy of the Mark Ironair 20HP Duplex compressor. Contact our technical team to Request Technical Quote or Check Availability at Muldepot.com.
Mark Ironair Air Compressor 20HP Specs
| Brand | Mark Ironair |
| Full Model Code | 20HP Duplex Cast Iron |
| Country of Origin | USA |
| Compressor Type | Reciprocating Piston (Two-Stage / Duplex) |
| Lubrication Style | Splash Lubricated |
| Cooling System | Air Cooled |
| Motor Power | 10 HP (Per Pump / 20 HP Total) |
| Max Working Pressure | 175 Psi |
| Free Air Delivery / Capacity | 70.0 CFM @ 175 Psi (Combined) |
| Drive Type | Belt Drive (Dual Electric Motors) |
| Noise Level | 84-88 dB(A) |
| Outlet Connection Size | 1-1/4 Inch NPT |
| Tank Volume | 240 Gallons (Horizontal) |
| Dimension (LxWxH) | 2134 x 813 x 1473 mm |
| Net Weight | 795 kg |
| Control Panel Type | Alternating Duplex Control Panel |
| Voltage/Phase/Frequency | 460V / 3 Phase / 60 Hz |
| Standard Warranty | 1 Year Limited |
| Maintenance Interval | 1000 Hours |
| Application | Critical plant air supply for massive industrial operations requiring total system reliability and ultra-high flow. |
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