Description
AMETEK Rotron EN757, 3 HP Regenerative Blower with Explosion Proof Motor
AMETEK Rotron regenerative blowers lead the industry in delivering high air pressures and vacuums for industrial, environmental, and chemical processing applications. With a compact yet efficient design, low acoustical noise, and a long operation lifespan, their comprehensive line offers various sizes and options to meet specific performance needs.
Environmental (EN) regenerative blowers have a rugged design that offers maintenance-free operation exceeding 25,000 hours, even in the harshest and most demanding environmental applications. Explosion-proof motors and the low-leak seal package come standard on these blowers, ensuring safety and preventing leakage.
Applications: Biogas and landfill digesters, air and gas sampling, combustible gas handling, soil vapor extraction, other hazardous locations.
Features
- Rugged cast aluminum housing, cover, impeller and muffler tower
- Removable cast iron flanges bolted to a heavy-duty manifold
- TEFC-XP motors on single-ended models
- Carbon steel shaft and zinc plated hardware
- Permanently sealed motor bearings for 20,000-25,000 hours life
- Heavy-duty cast aluminum manifold
- Spark resistant housing, cover, impeller, muffler tower, and manifold are vacuum impregnated
- Teflon Lip Seal in a stainless steel case standard for leakage containment to 25 cc/min or less
- Explosion-proof (Class 1, Division 1, Group D) motors available in a variety of voltages
- All metal-to-metal surfaces are sealed with RTV sealant
- Quiet operation within OSHA standards
- Manufactured in the USA – ISO 9001 and NAFTA compliant
Specifications
Model: EN757 – Sealed Regenerative Blower with Explosion Proof Motor
Horsepower: 3
Maximum Flow: 310 SCFM
Maximum Pressure: 80 IWG
Maximum Vacuum: 75 IWG
Inlet/Outlet Diameter: 2-1/2″
| MPN | Phase | Voltage | Weight |
|---|---|---|---|
| EN757M72XL 81176 | Three | 208-230/460 | 158 lbs |









