Elt-125  China  in   Bhavnagar India   gear coupling falk  factory  High  in   Bokaro Steel City India   gear coupling  near me  Efficiency Low Engergy Roots Vacuum Pump with top quality lowest price

We – EPG Team the most significant couplings and gears factory in China with 5 diverse branches. For far more particulars: Cellular/whatsapp/telegram/Kakao us at: 0086-13083988828 /

We make all varieties of roots blower, centrifugal blower, Our Primary merchandise are as under:

Type Diameter Charge of stream Force
ESR-MJ(Intense Kind) Φ50~Φ300mm .5~140m³/min 9.8KPa~ninety eight.8Kpa
ESR(Normal Sort) Φ50~Φ350mm .five~140m³/min nine.8KPa~78.4Kpa
ESR-H(Substantial-force Sort) Φ50~Φ350mm .seven~160m³/min 58.8KPa~ninety eight.8Kpa
ESR-V(Vacuum Pump) Φ50~Φ350mm .5~160m³/min nine.8KPa~fifty three.3Kpa
EL Series Φ200~Φ600mm twenty.3~750m³/min nine.8KPa~58.8Kpa
Multistage Centrifugal Blower
or C-Collection
Φ250~Φ500mm 50~500m³/min 9.8KPa~98Kpa
ERR-ERG Type Φ250~Φ500mm one hundred twenty~420m³/min 9.8KPa~98.8Kpa

The operating basic principle of the three-blade roots blower: two a few-lobed rotors are organized in the cavity, and the
suction port and the discharge port are opened on each sides of the cavity. By means of the motion of a pair of
synchronous gears, the two rotors rotate in reverse directions and Relying on the mutual engagement of the two
rotors, the suction port and the discharge port are isolated, and the gas in the chamber is pushed to obtain the
goal of blowing.

Characteristic of our roots blower:
one. Large adjustment of the air quantity
two. Minimal Sounds
three. High performance
4. Minimal vitality cosumption
5. Lengthy time lifestyle
six. Reputable operating, easy maintenance,tiny footprint

The parameters of our roots blower:

Kind Ratary Pace
Strain Increase
Shaft Energy
Motor Device Maximn
ESR-fifty 1100-2120 nine.8-fifty eight.eight .65-2.58 .3-three.54 .75-4 128-158
ESR-65 1100-2130 9.eight-fifty eight.eight .94-three.66 .38-4.forty six .75-five.5 a hundred and fifty five-185
ESR-eighty 1140-1900 9.8-fifty eight.eight two.34-5.43 1.04-7.42 two.two-11 155-277
ESR-a hundred 1060-1980 nine.8-58.8 four.fifty seven-9.05 one.35-12.fifteen three-15 309-377
ESR-one hundred twenty five 980-1850 nine.8-58.8 five.35-12.four one.65-5.19 5.5-18.5 408-451
ESR-125C 970-1830 nine.8-58.eight 7.5-seventeen.fifty seven 3.two-18.five four-22 408-451
ESR-a hundred and fifty 810-1730 nine.8-58.eight ten.37-27.15 three.84-forty.82 seven.five-forty five 688-848
ESR-one hundred seventy five 970-1520 9.eight-fifty eight.eight 19.65-36.sixty five 7.two-45.95 11-55 980-1080
ESR-200B 740-1450 9.eight-fifty eight.eight 19.sixty five-forty four.8 10.15-60.44 fifteen-75 1272-1546
ESR-two hundred 810-1480 nine.eight-fifty eight.eight 27.sixty five-fifty nine.two 8.05-80,12 15-90 1272-1546
ESR-250B 1100-1480 9.eight-fifty eight.8 fifty four.seventy seven-77.fifty five 19.97-90.ninety seven thirty-a hundred and ten 1490-2454
ESR-250 990-1480 9.eight-fifty eight.eight sixty one.four-ninety seven.fifty two twenty.one-117.3 30-132 1490-2454
ESR-300 990-1480 nine.eight-fifty eight.eight 87.one-138.1 26.four-167.8 37-185 3326-3446
ESR-350 730-1480 9.eight-fifty eight.8 78.forty one-177.31   55-250  
ESR-50H 1230-2120 sixty three.seven-ninety eight .forty five-two.02 two.05-six.twelve three-seven.five one hundred sixty–one hundred seventy
ESR-65H 1240-2130 sixty three.seven-ninety eight .seventy eight-two.fifty three 2.89-seven.fifty five 4-11 198-230
ESR-80H 1140-1900 63.7-ninety eight one.82-four.55 four.09-ten.one 5.5-fifteen 316-326
ESR-100H 1060-1980 63.7-ninety eight two.65-8.06 6.36-seventeen.2 seven.5-22 398-459
ESR-125H 980-1850 sixty three.7-ninety eight 4.sixty four-eleven.23 eight.ninety two-24.two 11-30 544-630
ESR-150H 810-1730 sixty three.7-98 9.fifty three-25.76 17.16-65 eighteen.5-75 752-1571
ESR-200H 810-1480 63.7-ninety eight 25.34-56.92 42.34-a hundred and twenty 55-132 1426-1934
ESR-250H 990-1480 63.seven-ninety eight fifty eight-93.seven 83.two-205 90-220 2980-3468
ESR300H 990-1480 sixty three.7-ninety eight 86.9-134.one 114.7-270 132-280 3476-3998
ERF-245 650-980 nine.8-ninety eight 47.5-97.four sixteen-183 18.five-two hundred 3630-3690
ERF-250 650-980 nine.eight-ninety eight 61.six-a hundred and twenty.four 19-227 22-250 4450-4500
ERF-290 650-980 nine.eight-seventy eight.4 92.3-128 22-213 thirty-250 4890-4710
ERF-295 650-980 nine.eight-seventy eight.4 97.three-152.5 23-227 30-250 4890-4880
ERF-297 650-980 9.eight-78.four 87.five-167.six 26-249 30-280 5330-5520
ERF-300 650-980 9.8-seventy eight.four a hundred and one.five-188.7 29-278 37-315 5330-5520
ERF-350 650-980 9.8-78.four 126-224.nine 34-249 45-280 5210-6470
ERG-three hundred 590-730 nine.8-98 128.three-196 38-362 45-four hundred 9440-15710
ERG-350 590-730 nine.eight-ninety eight 159.three-231.6 43-420 fifty five-450 9700-1571
ERG-400 590-730 9.8-83.3 203.1-290.nine 52-449 seventy five-500 10090-11390
ERG-445 590-730 nine.eight-73.five 229.7-327.8 fifty eight-477 seventy five-560 10600-12230
ERG-450 590-730 9.8-73.5 262.4-366.2 sixty four-496 seventy five-560 10600-12230
ERG-five hundred 590-730 nine.eight-sixty three.7 327.4-452.four 78-529 90-560 12790-14620
ERF-240-V 650-980 -nine.8- -49 38.1-seventy eight 13-seventy six 18.five-ninety 3420-3285
ERF-245-V 650-980 -9.eight- -49 47.five-97.4 sixteen-95 22-one hundred ten 3425-3360
ERF-250-V 650-980 -9.8- -forty nine sixty three-120 19-117 22-132 3910-3830
ERF-290-V 650-980 -9.eight- -forty nine 72.6-one hundred forty four 22-136 30-a hundred and sixty 4415-4270
ERF-295-V 650-980 -nine.eight- -49 seventy six.6-152 23-145 30-one hundred sixty 4425-4485
ERF-297-V 650-980 -nine.8- -49 84.three-166.eight 26-160 30-180 5000-4980
ERF-three hundred-V 650-980 -nine.eight- -forty nine 97-192 29-178 37-two hundred 5000-4980
ERF-350-V 650-980 -9.eight- -forty nine 116-225 34-209 45-250 5400-5700
ERG-300V 590-730 -nine.8- -49 133-193 38-184 forty five-220 7800-9100
ERG-350V 590-730 -nine.eight- -49 163-231 forty three-216 fifty five-250 9500-9470
ERG-400V 590-730 -nine.eight- -49 199-290 fifty two-269 seventy five-315 9900-10130
ERG-445V 590-730 -9.eight- -forty nine 224.8-326.nine 58-303 75-355 9900-10130
ERG-450V 590-730 -9.8- -forty nine 255-365 64-335 seventy five-four hundred 11230-11300
ERG-500V 590-730 -nine.eight- -forty nine 314-452 78-412 132-450 13630-13850
ERF-245W 650-980 -13.three- -fifty three.3 fifty three.5-a hundred and one 21.five-102 thirty-a hundred and ten 3630-3360
ERF-250W 650-980 -thirteen.3- -53.3 sixty nine-127 26.5-127 30-a hundred and sixty 3985-4115
ERF-290W 650-980 -thirteen.3- -53.3 82.6-150 thirty.5-149 37-185 4340-4580
ERF-295W 650-980 -thirteen.three- -fifty three.3 87-158 32-158 37-185 4440-4580
ERF-297W 650-980 -13.three- -fifty three.three 95-174 36-174 forty five-200 5230-5130
ERF-300W 650-980 -thirteen.three- -fifty three.three 109-195 forty-193 55-220 5230-5130
ERF-350W 650-980 -13.three- -53.three 129-230 fifty-230 seventy five-250 5840-5670
ERG-300W 590-730 -thirteen.3- -53.three 142-197 52-201 75-220 9100-9000
ERF-350W 590-730 -13.three- -fifty three.three 168-234.4 fifty nine-235.5 seventy five-280 9500-9600
ERG-400W 590-730 -thirteen.three- -fifty three.3 220-276.six 71-292 90-315 9900-10130
ERG-445W 590-730 -thirteen.3- -53.three 244-294.six 82-331 90-four hundred 11230-11300
ERG450W 590-730 -13.3- -fifty three.3 275-368.five 91-366 one hundred ten-four hundred 11230-11300
650-980 ninety eight-196 64.8-112 a hundred thirty five-355 one hundred sixty-four hundred 8700-8600
650-980 98-196 80.eight-139 167-439 185-500 9200-9100
ETRF-three hundred
650-980 98-176.four 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.four 205-273 380-773 450-900 21350-24200
590-740 ninety eight-176.4 263-428 476-955 560-1000 24200-27600
650-980 -53.three–eighty seventy two-121 75.6-121 90-one hundred sixty 6100-6470
650-980 -53.three–eighty ninety three.8-154 ninety nine.5-186 one hundred ten-220 7000-6400
650-980 -fifty three.three–80 116-189 115-220 132-250 7750-7760
EL81WD 580-980 9.eight-fifty eight.eight fifty four.2-130 eighteen-151 45-185 3595
EL82WDB 580-980 nine.eight-58.eight seventy two.eight-161 22-191 forty five-220 3860
EL83WDA 580-980 9.eight-fifty eight.nine one zero one-213 28.five-202 45-220 4300
EL84WDA 580-980 nine.eight-58.eight 129-267 35.4-252 45-280 4720
EL93WDA 580-730 9.eight-forty nine 230-329 56.4-311 seventy five-355 7765
EL94WDA 580-730 9.8-49 263-373 64-353 75-four hundred 8130
EL95WDA 490-580 9.8-58.8 308-434 81.4-414 90-450 11500
EL96WDA 580 58.eight 381 497 560 11500
E397WN 1000-1650 forty five-9      
E408WN 870-1650 40 ten-22      
E517WN 980-1580 40 twenty-30      
E520WN 930-1550 40 24-45      
E607WN 750-1250 40 forty five-76      
E610WN 750-1250 40 75-one hundred thirty      

Spare elements and composition of our roots blower:

Package of our Roots Blower

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

Roots blower pack technique identical as iron circumstance, just alter to Fumigation Free of charge Plywood Scenario

Our manufacturing unit is a professional manufacturer of Roots blowers which has over 20 years’ experience in equipment
manufacturing. It is positioned in Xihu (West Lake) Dis. East Industrial Park, fifty kilometers to the east of Shan EPT provincial
money— HangZhou. Our firm also has practical targeted traffic transportation, as it is fifteen kilometers absent from
Diaozhen Town station of HangZhou-HangZhou expressway, and 30 kilometers absent from East HangZhou station of
ZheJiang -ZheJiang expressway.The foremost solution of our organization is ESR -kind Roots Blower. The roots
vacuum pump is a new type of high-performance roots blower, which is produced independently primarily based on the
domestic and foreign innovative technologies. Several patented technologies have been adopted on Roots
Blower, and thus we have manufactured substantial consequences in strength conservation and noise reduction, etc.. So far, our
company has invested a lot more than thirty,000,000 RMB to introduce this sort of advanced skilled gear as
horizontal machining middle, vertical machining centre, two-way CNC surface area planer, CNC lathe, CNC milling
device, CNC planer, airplane grinder, cylindrical grinding machine, and 3 coordinates screening equipment.
Apart from, we have taken numerous measures to standardize the approach stream such as working and cooperating
with a lot of scientific research units, schools and universities at house and overseas. We also continually try to
take in and increase the domestic sophisticated creation systems, so as to encourage the upgrading and
optimization of the merchandise and make the product quality attain the sophisticated stage at residence and overseas.
ESR -kind Roots Blower involves a number of collection such as A few-leaves Variety, Two-leaves Variety and Centrifugal
Kind,which can be even more divided to hundreds of versions. The products are broadly used in sewage therapy,
pneumatic conveying,vacuum packaging, aquaculture, food processing, EPT electrical power, petrochemical, cement,
mining and other industries. Our products have this kind of benefits as lower noise, energy conserving, stable quality,
and extended services lifestyle, and so forth.. With the revenue outlets throughout the domestic funds metropolitan areas, our items promote effectively all
above the country, and have been exported to North The usa,Russia, Malaysia, Indonesia, Vietnam, South Africa
and some other countries. Possessing obtained the ISO9001 Intercontinental Good quality Technique Certification, we have
proven and improved the good quality assurance of the merchandise designing, producing, and set up.
From the method of style, investigation and improvement to the completed goods, we have received the whole
approach controlled independently, therefore offering the entire foundation and dependability ensure for the merchandise steadiness
and longevity. Having a perfect product sales community and following-sales provider, we offer our buyers with larger-
high quality and much more successful support.All personnel of our organization sincerely welcome the wide masses of close friends to
guide, and negotiate business with us.

Our Roots Blower Workshop

         Doosn Horzitonal Equipment Center

The Software of the Roots Blower

Maintenance and inspection
(one) Verify all fasteners and finding pins conditions whether or not they are loosening.
(two) Always check whether or not the leakage phenomenon of the physique.
(three) Pay consideration to lubrication, quantity of grease and noises when managing,
establish whether or not it works beneath the essential conditions.
(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, drop level ≥
190ºC). Replace the lubricant and grease after very first 200 hours managing, and exchange
once more following a moth managing. Later on, substitute the lubricant and grease in accordance to the
setting and lubricant (grease) top quality propose a appropriate EPT for a few
(five) Constantly examine the inlet air filter, clean or exchange the filter in time.
(6) Blower overload occasionally not instantly exhibited, so spend consideration to
the consumption and exhaust force, bearing temperature and the current enhance developments
of motor to establish regardless of whether the blower functions usually
(seven) Just before disassembling the blower, the assembling relation and dimensions
should be recorded or calculated, make marks on elements to make certain the first
specifications right after assembling.
(8) When freshly machine or overhaul, the oil tank should be cleaned ahead of use
and suggest exchange all grease after 8 hrs managing.

Widespread failure cause and troubleshooting

No Failure Feasible motives Elimination techniques
one Friction
among the
(one) Impurities on the impeller,
ensuing in the hole is way too tiny
(2) Gear wear, ensuing in a
massive backlash
(3) The gear is not effectively fixed,
can not sustain the impeller
(4) Bearing dress in ensuing in
clearance growing.
(one) Take away dust and verify
no matter whether there is injury elements
(two) Change the equipment gap, exchange
the gears if the equipment backlash is
greater than the typical thirty% to
(3)Re-assemble the gears, maintain
the taper speak to area is to 75%
(4)Substitute the bearing
2 Collision
impeller and
wall, the
impeller best
and casing
(one) Set up hole is not appropriate
(two) running stress is also
high, exceeding the specified
(3) Working temperature is as well large
(4) Casing or base deformation,
positioning admirer failure
(five) Bearing axial spot is not great
(1) Adjust the hole
(2) Discover causes of
overloading, lowered the stress
to the specified worth
(3) Verify the set up
precision and reduce the pipe
(4) Check and fix bearings,
and to guarantee the clearance
3 Temperature
way too high
(1) Oil in tank is way too much, as well
thick or as well filthy
(2) Filter or silencer is blocked
(3)The force is greater than
the specified worth
(4)Excessive put on of the
impeller, large hole
(five)Very poor air flow, indoor
temperature is large, ensuing in
inlet air’s large temperature
(six) The rotating velocity is way too reduced,end result in the belt slipping.
(one)Decrease the oil level or rely on
(two)Eliminate of blocking objects
(3)Reducing the strain through
the blower
(4)Repair its clearance
(five)Open up vents to minimize place
(six) Boost pace to avert the
belt slipping.
4 Inadequate
(one) The inlet filter is blocked
(two) Impeller put on and the hole
increases way too significantly
(3) Belt slipping
(four) Large imports pressure decline
(5) Pipeline air flow leakage
(1) Clean the filter dust and
(2) Restore the gap
(three)Tighten the belt and boost
the number of belts
(4)Change the inlet pressure to the
specified benefit
(five) Examine and mend the pipeline
5 Oil leaking or
oil leaking
into the enclosure
(one)Substantial tank position trigger
leakage from the discharge port
(2) Seal dress in, ensuing in shaft oil spills
(three) The pressure is increased than
the specified benefit

(1)Decrease the oil degree
(2)Exchange the seals
(three)Clear the air vents, 2mm diameter faucet is fixed in the
middle chamber, open up the faucet
underneath the wall
six Irregular
vibration and
(1)Bearing clearance exceeds the
specified value or bearing use
(2) The gear backlash is as well
big, not in a tight fastened
(three) The international objects and dust
caused by the impeller and the
impeller, the impeller and the
housing collision
(4) the impeller shaft
deformation brought on the collision
brought on by overload,
(five) Friction amongst the impeller
and the inlet housing caused by
(six) Unbalance of the impeller
caused by fouling or foreign
human body
(seven) Anchor bolts or other
fasteners are loosened
(one)Replace bearings or bearing
(two)Reassemble equipment and guarantee
(3)Cleansing blower, check out the
situation is damaged
(4)Verify the back again stress, verify
the wheel and adjust hole
(5)Verify the filter and again
pressure, improve the hole
between the impeller inlet and the
(six)Clear the impeller and the
casing, to guarantee that the impeller
clearance function
(seven) Tighten the anchor bolts and
leveling the base.
7 Motor
(1)In contrast with the needed
stress, the strain big difference
is massive that the back force or
the inlet strain is high
(two) In contrast with the
gear specifications, blower
stream is too large, so its force
(three)Inlet filter is blocked, or outlet
pipe is obstructed or blocked
(four) Collusion or friction (trapped)
rotating components
(5) The oil level is also higher
(6) Narrow V-belt is overheat,
vibration is as well massive, or pulley
is too tiny
(one) Lessen the force to the
specified value
(2) Exhaust the extra fuel into
the atmosphere or lessen the
blower pace
(three) Take away the obstructions
(four)Quickly shut down, check out
the explanation
(5) Change the oil to the appropriate
(6) Verify the belt pressure, and
replaced it with huge diameter

Our Provider

one. Pre sell service                                                                              two. After market service                                          
a. recommend the suited model                                             c. online technical assist,                                                                                   
b. manufacturing facility tour                                                                              d. total existence spare areas and techinical assist


12 months gurantee for our roots blowers

/ The use of original products manufacturer’s (OEM) portion numbers or trademarks , e.g. CASE® and John Deere® are for reference purposes only and for indicating item use and compatibility. Our business and the outlined EPT areas contained herein are not sponsored, authorized, or produced by the OEM. /

Elt-125  China  in   Bhavnagar India   gear coupling falk  factory  High  in   Bokaro Steel City India   gear coupling  near me  Efficiency Low Engergy Roots Vacuum Pump with top quality lowest price