High Efficiency Lowe Energy Roots Vacuum Pump for Carbon Monoxide Transport

High Efficiency Lowe Energy Roots Vacuum Pump for Carbon Monoxide Transport

We make all kinds of roots blower, centrifugal blower, Our Major merchandise are as beneath:

Variety Diameter Charge of flow Pressure
ESR-MJ(Intensive Sort) Φ50~Φ300mm .5~140m³/min 9.8KPa~98.8Kpa
ESR(Ordinary Variety) Φ50~Φ350mm .five~140m³/min nine.8KPa~78.4Kpa
ESR-H(Large-strain Type) Φ50~Φ350mm .7~160m³/min 58.8KPa~98.8Kpa
ESR-V(Vacuum Pump) Φ50~Φ350mm .5~160m³/min 9.8KPa~53.3Kpa
EL Collection Φ200~Φ600mm twenty.three~750m³/min nine.8KPa~fifty eight.8Kpa
Multistage Centrifugal Blower
or C-Series
Φ250~Φ500mm 50~500m³/min nine.8KPa~98Kpa
ERR-ERG Variety Φ250~Φ500mm 120~420m³/min 9.8KPa~98.8Kpa

The functioning theory of the three-blade roots blower: two 3-lobed rotors are arranged in the cavity, and the
suction port and the discharge port are opened on the two sides of the cavity. Via the action of a pair of
synchronous gears, the two rotors rotate in opposite directions and Relying on the mutual engagement of the two
rotors, the suction port and the discharge port are isolated, and the gasoline in the chamber is pushed to obtain the
objective of blowing.

Attribute of our roots blower:
one. Huge adjustment of the air quantity
two. Minimal Sound
3. Higher efficiency
four. Reduced energy cosumption
5. Lengthy time life
6. Reputable working, straightforward servicing,tiny footprint

The parameters of our roots blower:

Type Ratary Speed
Pressure Increase
Shaft Energy
Motor Unit Maximn
ESR-fifty 1100-2120 9.8-fifty eight.8 .65-two.fifty eight .three-three.54 .75-four 128-158
ESR-65 1100-2130 nine.8-58.eight .94-three.sixty six .38-four.46 .75-5.5 one hundred fifty five-185
ESR-eighty 1140-1900 9.8-58.eight two.34-five.forty three 1.04-7.42 two.2-11 one hundred fifty five-277
ESR-one hundred 1060-1980 9.eight-fifty eight.eight 4.57-9.05 one.35-twelve.15 3-15 309-377
ESR-one hundred twenty five 980-1850 9.8-58.eight 5.35-twelve.4 1.65-5.19 five.five-18.5 408-451
ESR-125C 970-1830 nine.8-fifty eight.eight 7.five-17.fifty seven three.2-eighteen.five four-22 408-451
ESR-one hundred fifty 810-1730 nine.eight-58.8 10.37-27.fifteen three.84-forty.82 7.five-45 688-848
ESR-175 970-1520 9.8-58.eight 19.sixty five-36.65 seven.two-forty five.95 eleven-fifty five 980-1080
ESR-200B 740-1450 9.eight-58.eight 19.65-44.8 ten.15-sixty.44 fifteen-75 1272-1546
ESR-200 810-1480 nine.8-58.8 27.65-59.two eight.05-eighty,twelve fifteen-ninety 1272-1546
ESR-250B 1100-1480 nine.8-fifty eight.8 fifty four.seventy seven-77.fifty five 19.97-90.97 thirty-110 1490-2454
ESR-250 990-1480 nine.eight-fifty eight.eight sixty one.4-97.52 twenty.1-117.three thirty-132 1490-2454
ESR-300 990-1480 9.eight-fifty eight.8 87.1-138.1 26.4-167.8 37-185 3326-3446
ESR-350 730-1480 nine.8-fifty eight.8 78.41-177.31   fifty five-250  
ESR-50H 1230-2120 63.7-98 .45-two.02 two.05-6.twelve 3-7.five one hundred sixty–one hundred seventy
ESR-65H 1240-2130 sixty three.seven-ninety eight .78-2.53 two.89-seven.fifty five four-eleven 198-230
ESR-80H 1140-1900 63.seven-98 one.82-4.55 four.09-10.one 5.5-15 316-326
ESR-100H 1060-1980 63.7-ninety eight 2.sixty five-8.06 six.36-seventeen.two seven.5-22 398-459
ESR-125H 980-1850 63.7-98 4.sixty four-11.23 8.92-24.2 eleven-thirty 544-630
ESR-150H 810-1730 sixty three.seven-ninety eight 9.53-25.seventy six seventeen.sixteen-sixty five eighteen.5-75 752-1571
ESR-200H 810-1480 63.seven-ninety eight twenty five.34-fifty six.ninety two 42.34-120 55-132 1426-1934
ESR-250H 990-1480 sixty three.7-98 fifty eight-ninety three.seven eighty three.two-205 ninety-220 2980-3468
ESR300H 990-1480 63.seven-ninety eight 86.9-134.1 114.seven-270 132-280 3476-3998
ERF-245 650-980 9.8-ninety eight 47.five-97.4 16-183 18.5-two hundred 3630-3690
ERF-250 650-980 9.8-98 sixty one.six-120.four 19-227 22-250 4450-4500
ERF-290 650-980 nine.8-78.four 92.three-128 22-213 thirty-250 4890-4710
ERF-295 650-980 9.8-78.four ninety seven.3-152.5 23-227 thirty-250 4890-4880
ERF-297 650-980 nine.eight-78.4 87.5-167.6 26-249 30-280 5330-5520
ERF-three hundred 650-980 9.8-78.4 a hundred and one.five-188.7 29-278 37-315 5330-5520
ERF-350 650-980 nine.eight-seventy eight.four 126-224.nine 34-249 45-280 5210-6470
ERG-three hundred 590-730 nine.eight-98 128.three-196 38-362 45-400 9440-15710
ERG-350 590-730 9.8-98 159.three-231.six 43-420 fifty five-450 9700-1571
ERG-400 590-730 nine.eight-83.3 203.1-290.nine fifty two-449 seventy five-five hundred 10090-11390
ERG-445 590-730 nine.eight-73.five 229.seven-327.eight 58-477 75-560 10600-12230
ERG-450 590-730 9.eight-73.5 262.4-366.2 64-496 seventy five-560 10600-12230
ERG-500 590-730 9.eight-63.7 327.four-452.4 78-529 90-560 12790-14620
ERF-240-V 650-980 -nine.eight- -49 38.one-seventy eight thirteen-76 eighteen.five-90 3420-3285
ERF-245-V 650-980 -9.8- -forty nine 47.5-ninety seven.four 16-95 22-one hundred ten 3425-3360
ERF-250-V 650-980 -9.eight- -forty nine 63-120 19-117 22-132 3910-3830
ERF-290-V 650-980 -9.eight- -forty nine seventy two.6-144 22-136 30-160 4415-4270
ERF-295-V 650-980 -nine.8- -49 seventy six.6-152 23-145 30-one hundred sixty 4425-4485
ERF-297-V 650-980 -9.8- -49 eighty four.3-166.8 26-one hundred sixty 30-one hundred eighty 5000-4980
ERF-three hundred-V 650-980 -9.eight- -forty nine 97-192 29-178 37-two hundred 5000-4980
ERF-350-V 650-980 -9.8- -49 116-225 34-209 forty five-250 5400-5700
ERG-300V 590-730 -9.eight- -49 133-193 38-184 forty five-220 7800-9100
ERG-350V 590-730 -nine.eight- -forty nine 163-231 forty three-216 55-250 9500-9470
ERG-400V 590-730 -nine.8- -49 199-290 fifty two-269 seventy five-315 9900-10130
ERG-445V 590-730 -9.8- -49 224.8-326.nine fifty eight-303 seventy five-355 9900-10130
ERG-450V 590-730 -9.eight- -forty nine 255-365 64-335 75-four hundred 11230-11300
ERG-500V 590-730 -nine.8- -49 314-452 seventy eight-412 132-450 13630-13850
ERF-245W 650-980 -13.three- -53.three fifty three.5-one hundred and one 21.5-102 30-a hundred and ten 3630-3360
ERF-250W 650-980 -thirteen.three- -53.3 69-127 26.five-127 thirty-a hundred and sixty 3985-4115
ERF-290W 650-980 -thirteen.three- -fifty three.three 82.6-a hundred and fifty thirty.5-149 37-185 4340-4580
ERF-295W 650-980 -thirteen.three- -fifty three.three 87-158 32-158 37-185 4440-4580
ERF-297W 650-980 -13.3- -53.3 ninety five-174 36-174 45-two hundred 5230-5130
ERF-300W 650-980 -13.3- -fifty three.3 109-195 40-193 fifty five-220 5230-5130
ERF-350W 650-980 -thirteen.3- -53.three 129-230 50-230 seventy five-250 5840-5670
ERG-300W 590-730 -thirteen.3- -fifty three.3 142-197 fifty two-201 seventy five-220 9100-9000
ERF-350W 590-730 -thirteen.three- -fifty three.3 168-234.four fifty nine-235.five seventy five-280 9500-9600
ERG-400W 590-730 -thirteen.3- -fifty three.3 220-276.six seventy one-292 ninety-315 9900-10130
ERG-445W 590-730 -thirteen.3- -fifty three.3 244-294.6 82-331 90-400 11230-11300
ERG450W 590-730 -thirteen.3- -fifty three.3 275-368.five 91-366 a hundred and ten-four hundred 11230-11300
650-980 98-196 sixty four.8-112 135-355 one hundred sixty-400 8700-8600
650-980 ninety eight-196 eighty.eight-139 167-439 185-five hundred 9200-9100
650-980 98-176.4 102-174 206-497 250-560 10320-10500
650-980 ninety eight-137.2 124-207 241-473 280-560 10700-11110
ETRG-four hundred
(three hundred,four hundred)
590-740 ninety eight-176.4 205-273 380-773 450-900 21350-24200
590-740 ninety eight-176.four 263-428 476-955 560-one thousand 24200-27600
650-980 -fifty three.three–eighty 72-121 seventy five.six-121 90-160 6100-6470
650-980 -fifty three.3–80 ninety three.eight-154 ninety nine.5-186 a hundred and ten-220 7000-6400
650-980 -fifty three.3–80 116-189 a hundred and fifteen-220 132-250 7750-7760
EL81WD 580-980 nine.eight-fifty eight.8 54.2-130 eighteen-151 45-185 3595
EL82WDB 580-980 nine.eight-fifty eight.8 seventy two.8-161 22-191 forty five-220 3860
EL83WDA 580-980 nine.8-fifty eight.nine one hundred and one-213 28.five-202 45-220 4300
EL84WDA 580-980 nine.8-fifty eight.eight 129-267 35.four-252 forty five-280 4720
EL93WDA 580-730 nine.8-49 230-329 fifty six.four-311 75-355 7765
EL94WDA 580-730 9.8-49 263-373 sixty four-353 seventy five-400 8130
EL95WDA 490-580 nine.eight-58.eight 308-434 eighty one.4-414 ninety-450 11500
EL96WDA 580 58.8 381 497 560 11500
E397WN one thousand-1650 40 five-nine      
E408WN 870-1650 40 10-22      
E517WN 980-1580 forty twenty-30      
E520WN 930-1550 forty 24-forty five      
E607WN 750-1250 forty 45-76      
E610WN 750-1250 forty seventy five-one hundred thirty      

Spare areas and framework of our roots blower:

Bundle of our Roots Blower

Pack into iron situation, two layer,blower human body and motor in reduced layer, inlet/out silencer and so forth in higher layer

Roots blower pack strategy very same as iron situation, just change to Fumigation Totally free Plywood Scenario

Our manufacturing unit is a skilled company of Roots blowers which has above 20 years’ experience in machinery
production. It is located in Xihu (West Lake) Dis. East CZPT Park, 50 kilometers to the east of ZheJiang provincial
funds— HangZhou. Our organization also has convenient site visitors transportation, as it is 15 kilometers away from
Diaozhen City station of HangZhou-HangZhou expressway, and 30 kilometers absent from East HangZhou station of
ZheJiang -ZheJiang expressway.The major merchandise of our firm is ESR -type Roots Blower. The roots
vacuum pump is a new sort of high-effectiveness roots blower, which is designed independently dependent on the
domestic and foreign sophisticated systems. Numerous patented technologies have been adopted on Roots
Blower, and as a result we have created important effects in power conservation and noise reduction, and so forth.. So considerably, our
business has invested a lot more than thirty,000,000 RMB to introduce such advanced specialist products as
horizontal machining centre, vertical machining centre, two-way CNC surface planer, CNC lathe, CNC milling
device, CNC planer, aircraft grinder, cylindrical grinding machine, and 3 coordinates testing device.
Apart from, we have taken numerous actions to CZPTize the method movement this kind of as working and cooperating
with several scientific research units, schools and universities at house and overseas. We also repeatedly attempt to
soak up and boost the domestic innovative generation systems, so as to advertise the upgrading and
optimization of the item and make the product good quality attain the advanced amount at residence and overseas.
ESR -kind Roots Blower involves a number of sequence these kinds of as 3-leaves Type, Two-leaves Variety and Centrifugal
Type,which can be even more divided to hundreds of kinds. The items are extensively used in sewage treatment,
pneumatic conveying,vacuum packaging, aquaculture, meals processing, electrical energy, petrochemical, cement,
mining and other industries. Our merchandise have this kind of positive aspects as low sound, strength saving, secure good quality,
and lengthy services existence, and so on.. With the income outlets throughout the domestic cash towns, our items sell effectively all
in excess of the region, and have been exported to North America,Russia, Malaysia, Indonesia, Vietnam, South Africa
and some other nations around the world. Possessing got the ISO9001 CZPT CZPT Technique Certification, we have
set up and improved the top quality assurance of the products creating, producing, and set up.
From the method of design, investigation and development to the concluded items, we have got the total
method managed independently, as a result providing the total foundation and reliability ensure for the products steadiness
and durability. Getting a perfect sales community and after-revenue provider, we give our consumers with greater-
high quality and more productive services.All workers of our company sincerely welcome the broad masses of pals to
information, and negotiate organization with us.

Our Roots Blower Workshop

         Doosn Horzitonal CZPT Center

The Software of the Roots Blower

Servicing and inspection
(one) Verify all fasteners and finding pins problems whether they are loosening.
(two) Always examine whether or not the leakage phenomenon of the human body.
(3) Pay out consideration to lubrication, volume of grease and noises when managing,
figure out no matter whether it performs underneath the required situations.
(4) CZPT & grease: The lubricant is for medium load industrial equipment oil
(quality 220, kinematic viscosity of 198 ~ 242mm2 / s 40ºC, flash point ≥ 200ºC)
The grease is butter (artificial lithium grease penetration 220-250, fall stage ≥
190ºC). Substitute the lubricant and grease right after first 200 hrs managing, and change
once again soon after a moth working. Afterwards, substitute the lubricant and grease according to the
environment and lubricant (grease) quality propose a suitable substitution for three
(5) Often examine the inlet air filter, cleanse or substitute the filter in time.
(six) Blower overload often not quickly displayed, so shell out consideration to
the intake and exhaust strain, bearing temperature and the recent boost traits
of motor to figure out whether the blower functions generally
(seven) Just before disassembling the blower, the assembling relation and dimensions
need to be recorded or calculated, make marks on factors to make certain the CZPT
specifications right after assembling.
(eight) When freshly device or overhaul, the oil tank must be cleaned before use
and propose replace all grease following eight several hours managing.

Typical failure explanation and troubleshooting

No Failure Feasible causes Elimination techniques
1 Friction
amongst the
(one) Impurities on the impeller,
resulting in the hole is as well small
(two) Gear wear, resulting in a
big backlash
(three) The gear is not well set,
can not maintain the impeller
(4) Bearing use ensuing in
clearance growing.
(1) Take away dust and check
whether there is harm areas
(two) Adjust the gear hole, substitute
the gears if the gear backlash is
greater than the common 30% to
(3)Re-assemble the gears, keep
the taper make contact with region is to 75%
(four)Replace the bearing
2 Collision
impeller and
wall, the
impeller top
and casing
(one) Set up hole is not proper
(two) running force is also
high, exceeding the specified
(three) Functioning temperature is also high
(four) Casing or base deformation,
positioning enthusiast failure
(5) Bearing axial spot is not good
(1) Modify the gap
(2) Recognize brings about of
overloading, lowered the stress
to the specified worth
(three) Examine the set up
precision and lessen the pipe
(4) Examine and fix bearings,
and to guarantee the clearance
3 Temperature
as well large
(one) Oil in tank is way too a lot, as well
thick or too soiled
(2) CZPT or silencer is blocked
(3)The pressure is higher than
the specified price
(4)Extreme use of the
impeller, big hole
(5)Inadequate air flow, indoor
temperature is high, ensuing in
inlet air’s high temperature
(6) The rotating speed is as well reduced,end result in the belt slipping.
(one)Reduce the oil amount or depend on
(2)Remove of blocking objects
(three)Reducing the force through
the blower
(four)Repair its clearance
(five)Open vents to lessen area
(6) Increase speed to stop the
belt slipping.
four Inadequate
(one) The inlet filter is blocked
(two) Impeller wear and the hole
raises as well much
(3) Belt slipping
(4) Huge imports pressure reduction
(five) CZPT ventilation leakage
(1) Clear the filter dust and
(two) Fix the hole
(3)Tighten the belt and increase
the variety of belts
(4)Change the inlet strain to the
specified price
(five) Check out and restore the pipeline
five Oil leaking or
oil leaking
into the enclosure
(one)Higher tank place trigger
leakage from the discharge port
(two) Seal wear, resulting in shaft oil spills
(three) The pressure is increased than
the specified worth

(1)Minimize the oil stage
(2)Exchange the seals
(3)Distinct the air vents, 2mm diameter faucet is fastened in the
center chamber, open the faucet
under the wall
six Abnormal
vibration and
(1)Bearing clearance exceeds the
specified benefit or bearing put on
(2) The gear backlash is also
large, not in a restricted mounted
(3) The overseas objects and dust
brought on by the impeller and the
impeller, the impeller and the
housing collision
(4) the impeller shaft
deformation brought on the collision
caused by overload,
(five) Friction amongst the impeller
and the inlet housing induced by
(six) Unbalance of the impeller
triggered by fouling or international
(7) CZPT bolts or other
fasteners are loosened
(1)Replace bearings or bearing
(two)Reassemble equipment and make certain
(3)Cleaning blower, check the
scenario is destroyed
(four)Examine the back stress, check
the wheel and alter gap
(5)Examine the filter and back
strain, improve the hole
between the impeller inlet and the
(6)Clear the impeller and the
casing, to guarantee that the impeller
clearance work
(seven) Tighten the anchor bolts and
leveling the base.
seven Motor
(one)In contrast with the required
pressure, the strain variation
is massive that the back force or
the inlet force is higher
(two) When compared with the
gear requirements, blower
circulation is also big, so its stress
(3)Inlet filter is blocked, or outlet
pipe is obstructed or blocked
(four) Collusion or friction (caught)
rotating components
(5) The oil degree is as well high
(6) Narrow V-belt is overheat,
vibration is way too large, or pulley
is too tiny
(one) Reduce the force to the
specified benefit
(2) Exhaust the surplus gas into
the ambiance or lessen the
blower speed
(3) Remove the obstructions
(4)Right away shut down, examine
the cause
(5) Adjust the oil to the correct
(six) Verify the belt tension, and
changed it with huge diameter

Our Services

one. Pre promote service                                                                              two. Following promote service                                          
a. recommend the suitable model                                             c. online technological assistance,                                                                                   
b. manufacturing facility tour                                                                              d. complete life spare components and techinical support


twelve months gurantee for our roots blowers

High Efficiency Lowe Energy Roots Vacuum Pump for Carbon Monoxide Transport