Elt-150 High Efficiency Low Engergy Roots Vacuum Pump

Elt-150 High Efficiency Low Engergy Roots Vacuum Pump

We make all sorts of roots blower, centrifugal blower, Our Principal products are as below:

Type Diameter Charge of movement Stress
ESR-MJ(Intensive Type) Φ50~Φ300mm .5~140m³/min 9.8KPa~98.8Kpa
ESR(Normal Type) Φ50~Φ350mm .5~140m³/min nine.8KPa~78.4Kpa
ESR-H(Higher-force Variety) Φ50~Φ350mm .seven~160m³/min 58.8KPa~98.8Kpa
ESR-V(Vacuum Pump) Φ50~Φ350mm .five~160m³/min nine.8KPa~fifty three.3Kpa
EL Series Φ200~Φ600mm twenty.3~750m³/min nine.8KPa~fifty eight.8Kpa
Multistage Centrifugal Blower
or C-Collection
Φ250~Φ500mm fifty~500m³/min nine.8KPa~98Kpa
ERR-ERG Type Φ250~Φ500mm one hundred twenty~420m³/min nine.8KPa~ninety eight.8Kpa

The operating principle of the a few-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. By way of the action of a pair of
synchronous gears, the two rotors rotate in reverse instructions and Relying on the mutual engagement of the two
rotors, the suction port and the discharge port are isolated, and the fuel in the chamber is pushed to accomplish the
goal of blowing.

Feature of our roots blower:
one. Big adjustment of the air volume
two. Minimal Sound
3. Higher effectiveness
four. Low vitality cosumption
5. Lengthy time daily life
six. Dependable operating, effortless upkeep,tiny footprint

The parameters of our roots blower:

Sort Ratary Velocity
Strain Increase
Shaft Electrical power
Motor Unit Maximn
ESR-50 1100-2120 9.eight-fifty eight.eight .sixty five-2.fifty eight .three-three.fifty four .seventy five-four 128-158
ESR-65 1100-2130 nine.8-fifty eight.8 .ninety four-three.sixty six .38-four.forty six .seventy five-5.five a hundred and fifty five-185
ESR-eighty 1140-1900 9.8-fifty eight.8 2.34-five.43 1.04-seven.42 two.2-11 one hundred fifty five-277
ESR-100 1060-1980 9.8-58.eight 4.fifty seven-9.05 one.35-12.15 three-15 309-377
ESR-125 980-1850 nine.8-fifty eight.eight five.35-12.four 1.65-five.19 5.5-18.five 408-451
ESR-125C 970-1830 9.8-fifty eight.8 7.five-seventeen.fifty seven 3.2-18.5 4-22 408-451
ESR-one hundred fifty 810-1730 9.eight-58.8 10.37-27.fifteen three.eighty four-40.eighty two seven.five-forty five 688-848
ESR-one hundred seventy five 970-1520 9.8-fifty eight.8 19.65-36.65 7.two-45.ninety five eleven-fifty five 980-1080
ESR-200B 740-1450 nine.eight-58.8 19.sixty five-forty four.8 10.fifteen-60.forty four 15-seventy five 1272-1546
ESR-two hundred 810-1480 nine.8-fifty eight.8 27.65-59.2 8.05-80,twelve 15-90 1272-1546
ESR-250B 1100-1480 nine.8-58.eight fifty four.seventy seven-77.55 19.ninety seven-ninety.97 30-one hundred ten 1490-2454
ESR-250 990-1480 nine.eight-58.eight 61.four-97.fifty two twenty.one-117.3 30-132 1490-2454
ESR-300 990-1480 nine.eight-fifty eight.8 87.one-138.1 26.4-167.eight 37-185 3326-3446
ESR-350 730-1480 9.eight-fifty eight.8 78.41-177.31   fifty five-250  
ESR-50H 1230-2120 63.7-ninety eight .forty five-2.02 two.05-six.twelve 3-7.5 one hundred sixty–one hundred seventy
ESR-65H 1240-2130 63.seven-ninety eight .seventy eight-two.53 two.89-seven.55 4-eleven 198-230
ESR-80H 1140-1900 sixty three.7-ninety eight 1.82-4.fifty five 4.09-ten.1 five.5-15 316-326
ESR-100H 1060-1980 sixty three.seven-98 two.65-8.06 6.36-17.2 seven.5-22 398-459
ESR-125H 980-1850 sixty three.7-ninety eight four.64-eleven.23 eight.ninety two-24.two eleven-thirty 544-630
ESR-150H 810-1730 63.7-98 nine.fifty three-twenty five.76 seventeen.sixteen-sixty five 18.five-75 752-1571
ESR-200H 810-1480 63.seven-ninety eight 25.34-fifty six.92 forty two.34-one hundred twenty 55-132 1426-1934
ESR-250H 990-1480 sixty three.7-ninety eight 58-93.seven eighty three.two-205 90-220 2980-3468
ESR300H 990-1480 sixty three.7-98 86.9-134.1 114.seven-270 132-280 3476-3998
ERF-245 650-980 nine.eight-ninety eight 47.five-ninety seven.four sixteen-183 18.5-200 3630-3690
ERF-250 650-980 9.8-ninety eight sixty one.six-a hundred and twenty.four 19-227 22-250 4450-4500
ERF-290 650-980 nine.eight-seventy eight.4 ninety two.3-128 22-213 30-250 4890-4710
ERF-295 650-980 9.eight-seventy eight.four 97.three-152.five 23-227 30-250 4890-4880
ERF-297 650-980 9.8-seventy eight.4 87.five-167.six 26-249 30-280 5330-5520
ERF-300 650-980 nine.eight-78.4 one hundred and one.five-188.seven 29-278 37-315 5330-5520
ERF-350 650-980 nine.8-78.four 126-224.9 34-249 45-280 5210-6470
ERG-three hundred 590-730 nine.eight-ninety eight 128.three-196 38-362 45-four hundred 9440-15710
ERG-350 590-730 nine.8-98 159.3-231.6 43-420 55-450 9700-1571
ERG-four hundred 590-730 nine.eight-eighty three.3 203.one-290.9 52-449 75-500 10090-11390
ERG-445 590-730 nine.8-73.5 229.seven-327.eight 58-477 seventy five-560 10600-12230
ERG-450 590-730 nine.8-73.five 262.four-366.2 sixty four-496 seventy five-560 10600-12230
ERG-500 590-730 nine.eight-63.7 327.four-452.4 78-529 90-560 12790-14620
ERF-240-V 650-980 -nine.eight- -49 38.1-seventy eight 13-76 18.five-ninety 3420-3285
ERF-245-V 650-980 -nine.eight- -forty nine 47.5-97.four sixteen-95 22-one hundred ten 3425-3360
ERF-250-V 650-980 -nine.eight- -49 sixty three-one hundred twenty 19-117 22-132 3910-3830
ERF-290-V 650-980 -nine.eight- -forty nine 72.6-a hundred and forty four 22-136 30-a hundred and sixty 4415-4270
ERF-295-V 650-980 -nine.8- -forty nine seventy six.6-152 23-145 thirty-a hundred and sixty 4425-4485
ERF-297-V 650-980 -nine.8- -49 84.three-166.eight 26-one hundred sixty thirty-one hundred eighty 5000-4980
ERF-300-V 650-980 -9.eight- -49 97-192 29-178 37-200 5000-4980
ERF-350-V 650-980 -nine.eight- -forty nine 116-225 34-209 45-250 5400-5700
ERG-300V 590-730 -9.8- -49 133-193 38-184 forty five-220 7800-9100
ERG-350V 590-730 -nine.8- -49 163-231 forty three-216 55-250 9500-9470
ERG-400V 590-730 -9.8- -49 199-290 52-269 75-315 9900-10130
ERG-445V 590-730 -nine.eight- -49 224.eight-326.nine 58-303 75-355 9900-10130
ERG-450V 590-730 -9.8- -forty nine 255-365 sixty four-335 seventy five-four hundred 11230-11300
ERG-500V 590-730 -9.eight- -49 314-452 78-412 132-450 13630-13850
ERF-245W 650-980 -thirteen.3- -53.3 fifty three.5-one zero one 21.5-102 30-a hundred and ten 3630-3360
ERF-250W 650-980 -thirteen.three- -53.3 sixty nine-127 26.five-127 thirty-a hundred and sixty 3985-4115
ERF-290W 650-980 -thirteen.3- -53.three 82.6-a hundred and fifty thirty.5-149 37-185 4340-4580
ERF-295W 650-980 -13.3- -53.three 87-158 32-158 37-185 4440-4580
ERF-297W 650-980 -13.three- -fifty three.three ninety five-174 36-174 45-two hundred 5230-5130
ERF-300W 650-980 -13.3- -fifty three.3 109-195 40-193 55-220 5230-5130
ERF-350W 650-980 -13.three- -53.three 129-230 50-230 75-250 5840-5670
ERG-300W 590-730 -thirteen.3- -53.three 142-197 52-201 75-220 9100-9000
ERF-350W 590-730 -thirteen.three- -fifty three.3 168-234.4 fifty nine-235.five 75-280 9500-9600
ERG-400W 590-730 -13.3- -fifty three.3 220-276.6 seventy one-292 90-315 9900-10130
ERG-445W 590-730 -13.3- -fifty three.3 244-294.six eighty two-331 90-four hundred 11230-11300
ERG450W 590-730 -thirteen.three- -53.3 275-368.5 91-366 a hundred and ten-four hundred 11230-11300
650-980 98-196 64.8-112 one hundred thirty five-355 one hundred sixty-four hundred 8700-8600
650-980 98-196 80.eight-139 167-439 185-five hundred 9200-9100
650-980 98-176.4 102-174 206-497 250-560 10320-10500
650-980 98-137.2 124-207 241-473 280-560 10700-11110
(300,four hundred)
590-740 98-176.4 205-273 380-773 450-900 21350-24200
590-740 ninety eight-176.4 263-428 476-955 560-a thousand 24200-27600
650-980 -53.three–80 seventy two-121 75.six-121 90-160 6100-6470
650-980 -53.3–80 ninety three.8-154 99.five-186 one hundred ten-220 7000-6400
(2505/three hundred)
650-980 -fifty three.three–80 116-189 one hundred fifteen-220 132-250 7750-7760
EL81WD 580-980 9.8-58.eight 54.two-a hundred thirty eighteen-151 forty five-185 3595
EL82WDB 580-980 nine.eight-58.8 seventy two.eight-161 22-191 forty five-220 3860
EL83WDA 580-980 nine.eight-58.nine 101-213 28.five-202 forty five-220 4300
EL84WDA 580-980 9.8-58.8 129-267 35.4-252 forty five-280 4720
EL93WDA 580-730 nine.8-49 230-329 56.four-311 seventy five-355 7765
EL94WDA 580-730 9.eight-49 263-373 sixty four-353 seventy five-400 8130
EL95WDA 490-580 nine.eight-58.eight 308-434 eighty one.4-414 90-450 11500
EL96WDA 580 58.eight 381 497 560 11500
E397WN 1000-1650 forty five-nine      
E408WN 870-1650 40 10-22      
E517WN 980-1580 forty 20-thirty      
E520WN 930-1550 forty 24-45      
E607WN 750-1250 forty forty five-seventy six      
E610WN 750-1250 40 seventy five-a hundred thirty      

Spare elements and structure of our roots blower:

Bundle of our Roots Blower

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

Roots blower pack strategy same as iron circumstance, just adjust to Fumigation Cost-free Plywood Situation

Our manufacturing facility is a specialist company of Roots blowers which has in excess of twenty years’ experience in equipment
producing. It is found in Xihu (West Lake) Dis. East CZPT Park, fifty kilometers to the east of ZheCZPT provincial
capital— HangCZPT. Our company also has practical site visitors transportation, as it is 15 kilometers away from
Diaozhen Town station of HangCZPT-HangCZPT expressway, and thirty kilometers absent from East HangCZPT station of
ZheCZPT -ZheCZPT expressway.The leading merchandise of our business is ESR -kind Roots Blower. The roots
vacuum pump is a new kind of large-effectiveness roots blower, which is created independently based mostly on the
domestic and foreign advanced systems. Numerous patented technologies have been adopted on Roots
Blower, and thus we have manufactured important effects in power conservation and noise reduction, etc.. So considerably, our
company has invested much more than thirty,000,000 RMB to introduce these kinds of superior expert products as
horizontal machining middle, vertical machining center, two-way CNC surface planer, CNC lathe, CNC milling
device, CNC planer, airplane grinder, cylindrical grinding machine, and a few coordinates testing machine.
Besides, we have taken a variety of measures to standardize the method flow this sort of as operating and cooperating
with many scientific research units, schools and universities at residence and abroad. We also repeatedly try to
take up and boost the domestic sophisticated generation technologies, so as to promote the upgrading and
optimization of the product and make the product top quality attain the advanced amount at home and overseas.
ESR -variety Roots Blower includes a number of sequence this kind of as A few-leaves Kind, Two-leaves Type and Centrifugal
Variety,which can be additional divided to hundreds of versions. The items are extensively used in sewage treatment,
pneumatic conveying,vacuum packaging, aquaculture, foodstuff processing, electric energy, petrochemical, cement,
mining and other industries. Our items have such positive aspects as low noise, strength preserving, secure good quality,
and prolonged support daily life, etc.. With the income outlets throughout the domestic capital metropolitan areas, our merchandise promote well all
in excess of the region, and have been exported to North The usa,Russia, Malaysia, Indonesia, Vietnam, South Africa
and some other nations. Getting acquired the ISO9001 CZPT Good quality Program Certification, we have
proven and improved the quality assurance of the items creating, producing, and set up.
From the process of style, research and development to the completed merchandise, we have got the entire
method managed independently, as a result delivering the complete basis and reliability guarantee for the goods security
and longevity. Obtaining a perfect income community and right after-product sales provider, we supply our consumers with increased-
high quality and a lot more efficient service.All employees of our business sincerely welcome the wide masses of pals to
information, and negotiate enterprise with us.

Our Roots Blower Workshop

         Doosn Horzitonal Machine Heart

The Software of the Roots Blower

Routine maintenance and inspection
(1) Check out all fasteners and locating pins conditions regardless of whether they are loosening.
(2) Constantly verify no matter whether the leakage phenomenon of the physique.
(3) Shell out focus to lubrication, sum of grease and noises when running,
establish whether it works underneath the necessary situations.
(4) Lubricant & 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 (synthetic lithium grease penetration 220-250, fall point ≥
190ºC). Substitute the lubricant and grease right after first 200 several hours managing, and change
yet again right after a moth managing. Later, exchange the lubricant and grease according to the
surroundings and lubricant (grease) quality suggest a suitable alternative for three
(5) Constantly verify the inlet air filter, clean or replace the filter in time.
(6) Blower overload at times not right away shown, so spend consideration to
the consumption and exhaust stress, bearing temperature and the existing increase developments
of motor to decide whether or not the blower performs usually
(7) Ahead of disassembling the blower, the assembling relation and dimensions
need to be recorded or measured, make marks on parts to make sure the CZPT
needs right after assembling.
(eight) When recently device or overhaul, the oil tank need to be cleaned ahead of use
and propose change all grease after 8 hrs running.

Common failure reason and troubleshooting

No Failure Attainable motives Elimination approaches
one Friction
between the
(one) Impurities on the impeller,
ensuing in the hole is way too modest
(2) Gear wear, resulting in a
big backlash
(3) The equipment is not properly mounted,
can not preserve the impeller
(four) Bearing dress in ensuing in
clearance increasing.
(one) Get rid of dust and verify
regardless of whether there is hurt parts
(two) Alter the equipment hole, substitute
the gears if the equipment backlash is
increased than the common thirty% to
(3)Re-assemble the gears, preserve
the taper make contact with location is to seventy five%
(4)Change the bearing
two Collision
impeller and
wall, the
impeller prime
and casing
(one) Installation hole is not right
(two) functioning pressure is way too
large, exceeding the specified
(three) Working temperature is too higher
(four) Casing or base deformation,
positioning supporter failure
(five) Bearing axial spot is not very good
(one) Adjust the hole
(two) Determine triggers of
overloading, lowered the pressure
to the specified worth
(three) Examine the set up
accuracy and reduce the pipe
(4) Verify and repair bearings,
and to make sure the clearance
3 Temperature
way too large
(1) Oil in tank is as well much, way too
thick or also soiled
(2) CZPT or silencer is blocked
(3)The force is increased than
the specified benefit
(four)Abnormal dress in of the
impeller, big gap
(5)Poor ventilation, indoor
temperature is high, ensuing in
inlet air’s high temperature
(6) The rotating pace is also reduced,end result in the belt slipping.
(1)Minimize the oil level or rely on
(2)Eliminate of blocking objects
(3)Minimizing the force through
the blower
(4)Restore its clearance
(5)Open vents to reduce space
(six) Improve pace to avert the
belt slipping.
4 Insufficient
(1) The inlet filter is blocked
(2) Impeller wear and the gap
boosts as well significantly
(three) Belt slipping
(four) Big imports strain decline
(5) Pipeline ventilation leakage
(one) Thoroughly clean the filter dust and
(two) Fix the gap
(three)Tighten the belt and increase
the variety of belts
(four)Alter the inlet pressure to the
specified price
(five) Check out and repair the pipeline
five Oil leaking or
oil leaking
into the enclosure
(1)Large tank place lead to
leakage from the discharge port
(two) Seal use, ensuing in shaft oil spills
(3) The pressure is increased than
the specified worth

(1)Lessen the oil level
(2)Exchange the seals
(three)Distinct the air vents, 2mm diameter faucet is mounted in the
center chamber, open the faucet
beneath the wall
6 Irregular
vibration and
(one)Bearing clearance exceeds the
specified price or bearing dress in
(2) The gear backlash is too
big, not in a limited fixed
(3) The foreign objects and dust
induced by the impeller and the
impeller, the impeller and the
housing collision
(4) the impeller shaft
deformation triggered the collision
triggered by overload,
(5) Friction amongst the impeller
and the inlet housing triggered by
(six) Unbalance of the impeller
caused by fouling or international
entire body
(7) Anchor bolts or other
fasteners are loosened
(1)Replace bearings or bearing
(2)Reassemble equipment and make sure
(three)Cleansing blower, check the
situation is damaged
(four)Examine the back stress, check out
the wheel and modify hole
(5)Check the filter and again
strain, improve the hole
between the impeller inlet and the
(6)Cleanse the impeller and the
casing, to make certain that the impeller
clearance perform
(seven) Tighten the anchor bolts and
leveling the foundation.
7 Motor
(1)Compared with the necessary
stress, the force variation
is huge that the back pressure or
the inlet stress is high
(two) When compared with the
products needs, blower
circulation is also massive, so its strain
(three)Inlet filter is blocked, or outlet
pipe is obstructed or blocked
(4) Collusion or friction (stuck)
rotating areas
(5) The oil stage is also high
(six) Slim V-belt is overheat,
vibration is too large, or pulley
is too tiny
(one) Minimize the force to the
specified value
(two) Exhaust the excess gas into
the atmosphere or decrease the
blower pace
(3) Take away the obstructions
(4)Immediately shut down, examine
the reason
(5) Alter the oil to the correct
(six) Check the belt pressure, and
replaced it with big diameter

Our Provider

one. Pre promote service                                                                              two. After sell service                                          
a. suggest the appropriate model                                             c. online specialized assistance,                                                                                   
b. factory tour                                                                              d. whole lifestyle CZPT and techinical help


twelve months gurantee for our roots blowers

Elt-150 High Efficiency Low Engergy Roots Vacuum Pump