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Product Introduce
DICHENG DSR65V Air Blower Roots Vacuum Pump adopts the advanced technology of Japan,
its air capacity is 1.45m3/min - 3.57m3/min,
the negative pressure is from -9.8Kpa to -49Kpa.Â
The main characteristic of our air blower is small volume, light weight, flow strong, noise small, steadily reliable operation.
Product Feature
1. Air flow and pressure can be customized
2. Stable air flow and less pressure variation
3. Clean air not with oil moist
4. Construction simple and easy maintenance
5. Bearing are all lubricated by oil moist
6. Long service life
Description of Performance parameters
The performance parameters table shows the model, outlet diameter, rotate speed, discharge pressure, air capacity and power of motor.
Type of technology
Positive displacement blowers
Design
Negative pressure
Air capacity
1.45 to 3.57 m³/min
Negative Pressure
-9.8 to -49Kpa
Medium
Air, Neutral gases
Conveying
Oil-free
Weight
81kg
Discharge Diameter
65mm(or customized)
Blower Structure Diagram
No.
Name
Material
Q' ty
No.
Name
Material
Q' ty
1
Shell
HT200
1
14
Z sealing ring
Nitrile rubber
1
2
Impeller
HT200
2
15
Gear
35CrM
2
3
Drive shaft
45Cr
1
16
Gear lock washer
Q235
2
4
Driven shaft
45Cr
1
17
Gear lock nut
SS400
2
5
Drive side siding
HT200
1
18
Gearbox
HT200
1
6
Gear side siding
HT200
1
19
Sleeve
45
1
7
Drive bearing
NSK
2
20
End cover
Q235
2
8
Driven bearing
NSK
2
21
Pin
45
1
9
Sealing ring
Nitrile rubber
2
22
Plug
35
1
10
Sealing ring
Nitrile rubber
2
23
Oil gauge
Â
1
11
Bearing sleeve
45
4
24
Vent
Â
1
12
Bearing cover
HT200
1
25
Grease nipple
C3605
2
13
Bearing cover
HT200
1
26
Gearbox seals
Barley paper
2
Blower Accessorie
Inlet filter silencer, Discharge silencer, Anchor bolts, Baseframe, Safety valve, Check valve, Discharge pressure gauge, Flexible connections, Lubricant oil. 
Roots Vacuum Blower Application
Vacuum packaging
Exhaust dust emissions
Vacuum dehydration
Vacuum packaging using vacuum suction
Remove dust or toxic gas from tunnels and small construction sites
 Pulp dewatering, sludge dewatering, cloth dehydration and etc.
Industrial vacuum cleaner
Powder and granules
 transportationDraw welding waste gas
Remove residual debris from the machine
Powder or granules
 (such as plastic materials, etc.) can be transported by pressure or vacuumRemove fumes and dust from welding to ensure operator health
Printing machine adsorption
Â
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Using the adsorption force fixed in printing operations
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Common malfunctions and Solution
Malfunctions
Reason
Solution
Blower
Can not rotate
Can rotated by hand
The motor is damaged
Repair or replace the motor
Can rotated round by hand
The lobes are locked
Open to repair
The impurity in blower
Open to clean
Can rotate
Abnormal sound or vibration
Skid, v-belt is too tight or too loose
Adjust v-belt tension
Pulley offset
Reset pulley
Pulley and belt cover friction
Adjust belt cover
Bearing oil lack or aging
To replace the oil
Gear oil lack or aging
To replace the oil
The safe valve leakage
Adjust the safe valve
Foundation insufficient strength
To strengthen the foundation strength
Piping resonance
Eliminate by the silencer and support
Exhaust pressure rises abruptly
See *annotated
Anchor bolt is too loose
Tighten
Rotor interference
Open to repair
The impurity in blower
Open to clean
Check valve bad
Replace
Overheating
Exhaust pressure rises abruptly
See *annotated
Temperature of working environment  exceeds 40 ºC
Ventilated working environment
Inlet silencer obstruction
Cleaning/replace filter
Airflow insufficient
Pipeline leaks
Tighten the pipe connection
Inlet silencer obstruction
Cleaning/replace filter
The safe valve leakage
Adjust the safe valve
V-belt is too loose
Adjust v-belt tension
Exhaust pressure rises abruptly
See *annotated
Exhaust pressure rises abruptly
Shut off the valve
Fully open the valve
The water level rises
Adjust water level
Inlet/outlet pipe jams
Cleaning debris
Valve bad or twist reversed direction
Replace or reverse direction twist
Airflow overpowered
Reduce round speed or exhaust
Oil leak
Lubrication oil overmuch
Refuel to the center of oil standard
Processing Workshop
FAQ
1. What's the information should IÂ provide when inquiry?
A: Air capacity
B: Pressure
C: Application
D: Use environment(Temperature, atmospheric pressure)
E: Do you need motor?
Or other specials you give us will be more appreciated.Â
2. What is your warranty?
Our warranty is 12 months after received the roots blower. During the warranty period, replace the damaged parts for free of charge. Out warranty period, to provide timely, high-quality technical services and price concessions spare parts to ensure continuous safe and high-quality equipment operation.
3. How long is the service life of roots blower?
In normal use environment
4. What is your terms of packing?
A: Generally, we pack our goods in Fumigation Free Plywood Case. If you have legally registered patent, we can pack the goods in your branded boxes after getting your authorization letters.
5. How does your factory control product quality?Â
We have quality inspection department. Before sending out product, we check each product. If there is quality problem, we will produce new one.
6.What are your terms of payment?
1. TT 40% AS THE ADVANCE PAYMENT AND TT 60% AFTER INSPECTION BEFORE SHIPPING.
2. 100% IRREVOCABLE L/C AT STGHT.
Contact Us
Shandong Dacheng Machinery Technology Co., LTD
Address:Â Zhangqiu Mingshui, Jinan City, Shandong province, China 250200.
Website:Â http://www.chinadicheng.com
Tel:Â +86 0531-83216898
Fax:Â +86 0531-83216898
Cellphone:Â +86 013188890202
Dsr65V Air Blower Roots Vacuum Pump
Model NO.: DSR65V
Air Capacity: 1.45-3.57 M3/Min
Rotating Speed: 1110 - 2150 Rpm
Motor Power: 0.75-5.5 Kw
Driving Method: Belt and Coupling Drive
Net Weight: 81kg
Type of Technology: Positive Displacement Pumps
Medium: Air, Neutral Gases
Conveying: Oil-Free
Certificate: ISO9001 and Ce Certificate
Noise: Under 80dB
Trademark: DICHENG
Transport Package: Fumigation Free Plywood Case
Specification: DSR65V
Origin: China
HS Code: 841459
DSR65V Vacuum Pump for Packing MachineDSR65V Air Blower Roots Vacuum Pump
1. The air capacity and pressure in the tables is in standard suction state. The standard suction state is 20ºC temperature, 1.033 kgf/cm2(101.3Kpa) Standard atmospheric pressure and 65% relative humidity.
2. The air capacity and pressure range of some blower models is repeated, to ensure the service life and low noise, should use the larger model.A- Service life of blower is more than 10 years.
B- Service life of Impeller is more than 60,000 hours.
C- Service life of bearing is more than 30,000 hours.
D- Service life of gear is more than 60,000 hours.