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Contact ShanGu For Roots Blower & Vacuum Pump. WhatsApp Us Directly For Inquiry & Quotation.
Brand: ShanGu (China Famous Trademark)
Manufacturer: Shandong MingTian Machinery Group Joint Stock Co., Ltd
Official Website: www.mingtianblower.com
WhatsApp Contact: +8618766117068
Factory Address:Fenghuangshan Industrial Park, Puji Subdistrict, Zhangqiu District, Jinan City, China
Tel: +86 0531-83828569 | After-sales Hotline: 0531-83833832
MingTian Group Brand Introduction (ShanGu Series Roots Blower)
Shandong MingTian Machinery Group founded in 2007, national high-tech enterprise, national specialized "Little Giant" enterprise, member of China General Machinery Fan Association. Registered trademark "ShanGu" certified as Shandong Famous Trademark. Two production workshops covering over 70 acres, equipped with full CNC machining centers, 3-coordinate measuring machines, dynamic balancing equipment. R&D team: 1 professor-level senior engineer, 4 doctors, 10 masters, long-term technical cooperation with Shandong University, Jinan University, Shandong University of Technology. All ShanGu series roots blowers adopt CAD/CAPP design, CNC precision processing, imported spiral silencer structure, high precision hard tooth surface gears, fully dynamic balanced rotors. Output air 100% oil-free, low vibration, ultra-low noise, compact structure. Full range includes RSR/MJSR/MTRF/MTRG/HRE/HRG/HRZ roots blower & vacuum pump series, motor power range 0.75-1120kW.
RSR65 Roots Blower Technical Performance Parameters
Basic Spec Table
Item ShanGu RSR65 Parameter
Model RSR65
Bore Diameter DN65 (65mm)
Rotation Speed Range 1240r/min ~ 3000r/min
Theoretical Air Flow Qth 2.5 ~ 6.05 m³/min
Actual Inlet Flow Qs 2.09 ~ 5.34 m³/min
Differential Pressure Range 9.8kPa ~ 78.4kPa
Matched Motor Power Po 0.75kW / 1.1kW / 1.5kW / 2.2kW / 3kW / 4kW / 5.5kW/ 7.5kW
Shaft Power La 0.46~ 6kW
Cooling Mode Air cooling standard; water cooling optional
Lubrication Requirement Drive side oil tank 0.35L, Driven side oil tank 0.8L, grease filling 10~15g
Cooling Water Flow (Water-cooled) 5~8 L/min, cooling water temp <25℃, inlet pressure 196-294kPa(2–3 kgf/cm²)
Standard Rotor Type Three-lobe precision cast rotor
Transmission Type Belt pulley drive / Elastic coupling direct drive
RSR65 Roots Blower Structure Drawing & Overall Dimension
ShanGu RSR Series Roots Blower Outline Drawing (Belt Drive)
Model / Mark Bore A B C D Ed Es F G H J
RSR65 65A 65A 255 165 130 950 243 285 221 600 450 100
Model / Mark Bore L M Nd Ns P Q n*Φl R S Weight (kg)
RSR65 65A 65A / 370 153 190 15 80 4*Φ13 510 780 160
Note : Ed, Nd = Single Oil Tank Type; Es, Ns = Double Oil Tank Type. Weight does not include the motor.
ShanGu RSR Series Roots Blower Outline Drawing (Coupling Drive)
Model / Mark Bore A B C D E F G H J
RSR65 65A 65A 750 221 142 950 227 135 700 500 100
Model / Mark Bore K L M N O P Q R n*Φl Weight (kg)
RSR65 65A 65A / / 370 340 112 15 80 70 4-φ18 155
Note: The weight doesn't include the motor weight.
ShanGu RSR50 Standard Complete Piping Layout Diagram
1.Air Filter, 2. Silencer, 3. Roots blower, 4. Safety Valve, 5. Pressure Gauge, 6. Flexible Connector, 7. Empty Valve, 8. Empty Silencer, 9. Tee Joint, 10. Check Valve, 11. Connecting Pipe, 12. Gate Valve
Note: Standard Supply Scope does not include Empty Tee Joint, Empty Silencer, Valves and Connecting Pipe parts.
RSR65 Roots Blower Parts Material List
No.Name Material Qty
1 Oil Plug A3 Steel 2
2 Gear Casing HT250 Grey Iron 1
3 Lock Nut A3 Steel 4
4 Washer A3 Steel 4
5 Oil Splash A3 Steel 2
6 Gear 20CrMnTi 2
7 Bearing SUJ2 4
8 V-ring Seal Nitrile Rubber 4
9 Gear Side Wall Plate HT250 Grey Iron 1
10 Drive Shaft 45# Steel 1
No.Name Material Qty
11 Driven Shaft 45# Steel 1
12 Rotor HT250 Precision Casting 2
13 Positioning Pin 45# Steel 6
14 Casing HT250 Grey Iron 1
15 Drive Side Wall Plate HT250 Grey Iron 1
16 Drive Side Oil Tank HT250 Grey Iron 1
17 Oil Seal Nitrile Rubber 2
18 Fuel Tank Cap HT250 Grey Iron 1
19 Oil Gauge Organic Glass 2
20 Purge Plug A3 Steel 2
Wide Application Scenarios of ShanGu RSR50 Small Roots Blower
Main Usage Fields for RSR65 DN65 Roots Blower
Aquaculture Oxygen Aeration Small fish pond, shrimp pond, indoor aquaculture farm, water oxygen supply, stable low-pressure air supply, oil-free air no harm to aquatic products.
Wastewater Treatment Aeration Small domestic sewage station, printing & dyeing wastewater, electroplating wastewater aeration stirring, activated sludge oxygen supply.
Pneumatic Conveying Small grain transport, powder material feeding, plastic particle conveying, low pressure material delivery.
Food Industry Food vacuum packaging, food processing air supply, raw material stripping.
Electroplating Tank Stirring Electroplating bath mixing, uniform liquid circulation, small workshop electroplating equipment supporting blower.
Small Incinerator & Furnace Air Supply Small casting furnace, laboratory incinerator combustion-support air, low-pressure air combustion.
Printing Industry Paper Feeding Printing machine paper separation, paper conveying air source.
Vacuum Stripping & Small Vacuum Working Match vacuum pipeline for workpiece film stripping, small negative pressure process.
Biogas / Fuel Gas Delivery Clean oil-free air to mix fuel for gas combustion supporting.
Reverse Osmosis Water Filtration Water filter backwashing, small RO equipment aeration backwash.
Standard Supporting Accessories for ShanGu RSR65 Roots Blower
Inlet Air Filter (ZL type air cleaner)
Inlet Horizontal/Vertical Silencer (XF series)
Outlet Silencer (KM/KMB vertical silencer)
KXT-III Flexible Rubber Joint
Safety Pressure Relief Valve
Pressure Gauge / Vacuum Gauge
Swing Check Valve H74W, Wafer Check Valve H77X
Base Frame & Foundation Bolts
Belt Cover (Belt drive version only)
Gear Lubricant Oil, Grease for Bearings
RFQ Inquiry Form Section (Direct Copy for Customer Fill)
Get RSR65 Roots Blower Quotation - Contact MingTian ShanGu Factory
Fill your demand information below, we will reply quotation within 24 hours via WhatsApp/Email:
Required Model: □ RSR65 Belt Drive □ RSR50 Coupling Drive
Required Air Flow (m³/min): ______
Required Pressure (kPa): ______
Matched Motor Power (kW): ______
Power Voltage (380V/415V/custom) & Frequency (50Hz/60Hz/custom): ______
Application Industry: Aquaculture / Wastewater / Pneumatic Conveying / Other:______
Required Accessories: Full set / Blower main unit only
Delivery Destination Country & Port: ______
Contact WhatsApp: ______
Contact Email: ______
Our sales team: WhatsApp +8618766117068 | sales @ mingtianblower.com
RSR Series Roots Blower Page
MJSR Medium Roots Blower Page
Large MTRF/MTRG Roots Blower Page
Roots Vacuum Pump Product Page
MVR Steam Compressor Page
Company Profile Page
Factory Workshop Introduction Page
Download Full MingTian ShanGu Catalog (PDF)
Important Notice
All technical parameters, dimensions and structure drawings of ShanGu RSR65 roots blower may be updated due to technical improvement without prior notice. All specifications subject to actual delivered product. All products support OEM & ODM customized production according customer drawing & parameter demand.
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