China Factory High-Pressure Pneumatic Conveying Equipment RSR-300 Twin Oil Tank Compressor Roots Blower for Wastewater Treatment Aeration

Shandong Tomorrow Machinery Group Co., Ltd. covers an area of over 76,000 square meters, with a building area of more than 39,000 square meters. It currently employs over 190 staff members, including 22 technical personnel, 5 senior technical engineers, and 3 leading domestic industry chief experts.
Since 2007, we have been committed to the manufacturing and export of "Shangu" brand Roots blowers, vacuum pumps, and MVR compressors. Relying on advanced CNC machining centers and testing equipment, we are capable of producing products across 10 series and 220 models, with an air volume range of 0.6 to 1000 m³/min and a pressure rise range of 9.8 to 196 kPa. Our core advantageous products include high-pressure blowers, large blowers, gas blowers, and stainless steel blowers.

Applications: pneumatic conveying, wastewater treatment, aquaculture, chemical industry, petroleum, metallurgy, power generation, food vacuum packaging, cement plants, power plants, powder conveying, coal grinding, textile mills, and other fields.

Contact: Mr. Li (Sales Manager)

Tel: +8618253185223 (WeChat/WhatsApp)

Email: Jason@cnrootsblower.com

1. Core Component Materials
- Casing: High-strength HT250 gray cast iron; featuring 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, low wear, and long service life.
- Bearings: High-precision bearings specifically designed for high-speed, heavy-load conditions; high-temperature resistant, low friction, and durable.
- Seals: Combination of high-precision labyrinth seals and radial shaft seals (oil seals); ensuring excellent sealing performance and preventing oil or gas leakage.
2. Motor Specifications
- Motor Type: Three-phase asynchronous explosion-proof motor or standard energy-efficient motor (YE3 super-premium efficiency motor; optional Exd II BT4 explosion-proof type).
- Rated Voltage: Customizable.
- Power Range: 0.75 kW – 400 kW; compatible with the full product series.
- Protection Class: IP55.
- Insulation Class: Class F.
- Starting Method: Standard direct-on-line (DOL) starting; star-delta reduced voltage starting or variable frequency starting supported for high-power models.
3. Standard Configuration List
Roots blower, energy-efficient motor, inlet and outlet silencers, flexible connections, safety valve, pressure gauge, base frame, anchor bolts, V-belt, belt pulley, and belt guard.
4. Core Performance Parameters
- Conveying Medium: Clean air.
- Rotational Speed: 500 – 2000 rpm; standard operating range is 1000 – 1450 rpm.
- Inlet Air Temperature: ≤40°C (standard conditions).
- Vacuum Degree: Up to -80 kPa for vacuum-type models.
- Operating Mode: 24-hour continuous operation; suitable for long-term industrial applications.
- Drive Method: Optional belt drive or direct coupling drive.
- Air Quality Characteristics: Pure mechanical meshing gas delivery; output gas is oil-free and impurity-free, ensuring high cleanliness. - Noise Level: <85 dB under standard operating conditions (measured at a distance of 1 meter from the equipment).