Shangu Tri-lobe High-Capacity Roots Blower for the Pneumatic Conveying Industry

Shandong Mingtian Machiney Group Joint Stock Co, Ltd ，It covers an area of more than 76000 m³, building surface is more than 39000m³, with more than 190 employees,among of them including 22echnicians, 5 technical engineers, and 3 domestic chief experts.
We are manufacturing and exporting roots blower, vacuum pumps and MVR compressors since 2007 with Shangu Brand. With at advanced CNC processing centers and test equipment, we are able to manufacture roots blowers, roots vacuum pumps and MVR compressors in 10 series and 220 models, with air capacity 0.6-1000 m2/min and pressure rise 9.8-196kPa.Our advantages are High pressure blower, large size blower, gas blower, stainless steel blower. With reliable quality and stable performance, Shangu roots blowers are widely used in industries such as pneumatic conveying, wastewater treatment, aquaculture, petroleum, chemicals, metallurgy, electric power, cement, food processing, coal preparation, and vacuum packaging.

If you want know more information ,contact me anytime.

Jason 
+8618253185223(wechat/whatsapp)

jason@cnrootsblower.com

1. Core Component Materials
- Casing: High-strength HT250 gray cast iron; offers high rigidity, vibration resistance, wear resistance, and dimensional stability; suitable for high-pressure operating conditions.
- Impeller: High-precision HT250 cast iron three-lobe impeller; dynamically balanced for smooth operation, minimal wear, and long service life.
- Bearings: Precision bearings designed for high-speed, heavy-load applications; high-temperature resistant, low-friction, and durable.
- Seals: Combination of high-precision labyrinth seals and radial shaft seals (oil seals); ensures excellent sealing performance and prevents oil or air leakage.
2. Motor Specifications
- Motor Type: Three-phase asynchronous explosion-proof or standard energy-saving motor (YE3 ultra-high efficiency motor; explosion-proof Exd II BT4 optional).
- Rated Voltage: Customizable.
- Power Range: 0.75 kW – 400 kW; compatible with the full product series.
- Protection Class: IP55.
- Insulation Class: F.
- Starting Method: Standard direct-on-line (DOL) starting; high-power models support star-delta reduced-voltage starting or variable frequency starting.
3. Standard Configuration List
Main unit, energy-saving motor, inlet and outlet silencers, flexible joints, safety valve, pressure gauge, base frame, anchor bolts, drive belts, pulleys, and belt guard.
4. Core Performance Parameters
- Air Medium: Clean air.
- Rotational Speed: 500 – 2000 rpm; standard operating range is 1000 – 1450 rpm.
- Inlet Temperature: ≤40°C (standard conditions).
- Vacuum Level: Up to -80 kPa for vacuum models.
- Operation Mode: Continuous 24-hour operation; suitable for long-term industrial applications.
- Drive Method: Belt drive or direct drive options available.
- Air Quality Characteristics: Pure mechanical meshing air delivery; output air is free of oil and impurities, ensuring high cleanliness.
- Noise Level: <85 dB under standard operating conditions (measured at 1 meter from the equipment).