Dsr200V Oilless Dry Biogas Booster Pump Roots Blowers and Compressors Lobe Air Vacuum Pump for Sale

Model NO.: DSR200V
Air Capacity: 27.08 - 58.65 M3/Min
Rotating Speed: 810 - 1480 Rpm
Motor Power: 18.5 - 75 Kw
Driving Method: Belt and Coupling Drive
Net Weight: 860 Kg
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: DSR200V
Origin: China
HS Code: 841459
DSR200V Oilless Dry Biogas Booster Pump Roots Blowers and Compressors Lobe Air Vacuum Pump For Sale

Product Introduce
Dsr200V Oilless Dry Biogas Booster Pump Roots Blowers and Compressors Lobe Air Vacuum Pump for Sale
DICHENG DSR200V Series Roots Vacuum Pump adopts the advanced technology of Japan,
its air capacity is 27.08m3/min - 58.65m3/min,
the negative pressure is from -9.8Kpa to -49Kpa. 
The main characteristic of our air blower is small volume, light weight, flow strong, noise small, steadily reliable operation.

Product Feature
Dsr200V Oilless Dry Biogas Booster Pump Roots Blowers and Compressors Lobe Air Vacuum Pump for Sale
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.
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.
Type of technology Positive displacement blowers
Design Negative pressure
Air capacity 27.08 to 58.65 m³/min
Negative Pressure -9.8 to -49Kpa
Medium Air, Neutral gases
Conveying Oil-free
Weight 860kg
Discharge Diameter 200mm(or customized)

Blower Structure Diagram
Dsr200V Oilless Dry Biogas Booster Pump Roots Blowers and Compressors Lobe Air Vacuum Pump for Sale
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   1
11 Bearing sleeve 45 4 24 Vent   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. 
Dsr200V Oilless Dry Biogas Booster Pump Roots Blowers and Compressors Lobe Air Vacuum Pump for Sale

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
 transportation		 Draw welding waste gas
Remove residual debris from the machine Powder or granules
 (such as plastic materials, etc.) can be transported by pressure or vacuum		 Remove fumes and dust from welding to ensure operator health
Printing machine adsorption    
Using the adsorption force fixed in printing operations    

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
Dsr200V Oilless Dry Biogas Booster Pump Roots Blowers and Compressors Lobe Air Vacuum Pump for Sale

FAQ
1. What's the information should I 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. 
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
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.
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? 
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: Zhangqiu Mingshui, Jinan City, Shandong province, China 250200.
Website: http://www.chinadicheng.com
Tel: +86 0531-83216898
Fax: +86 0531-83216898
Cellphone: +86 013188890202

Zinc or Nickel Plating Production Line

Metal electroplating line is widely used in aircraft and auto parts, machinery parts, metal, hardware processing industries, including cooper plating, silver plating, zinc plating, nickel plating, gold plating, chrom plating, anodizing, electrophoresis production line,etc.

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The zinc-nickel alloy plating bath has weak acid chloride type, sulfate type and alkaline zinc acid type.

The surface condition and processing requirements during electroplating, select the appropriate steps, and perform the necessary finishing processing on the surface of the part, so that the part has a smooth and clean surface, which is an important link in obtaining a high-quality coating.

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